Diminished or failed response of an organism, disease or tissue to the intended effectiveness of a chemical or drug. It should be differentiated from DRUG TOLERANCE which is the progressive diminution of the susceptibility of a human or animal to the effects of a drug, as a result of continued administration.
The ability of viruses to resist or to become tolerant to chemotherapeutic agents or antiviral agents. This resistance is acquired through gene mutation.
Resistance or diminished response of a neoplasm to an antineoplastic agent in humans, animals, or cell or tissue cultures.
Simultaneous resistance to several structurally and functionally distinct drugs.
The ability of microorganisms, especially bacteria, to resist or to become tolerant to chemotherapeutic agents, antimicrobial agents, or antibiotics. This resistance may be acquired through gene mutation or foreign DNA in transmissible plasmids (R FACTORS).
The ability of bacteria to resist or to become tolerant to chemotherapeutic agents, antimicrobial agents, or antibiotics. This resistance may be acquired through gene mutation or foreign DNA in transmissible plasmids (R FACTORS).
The ability of bacteria to resist or to become tolerant to several structurally and functionally distinct drugs simultaneously. This resistance may be acquired through gene mutation or foreign DNA in transmissible plasmids (R FACTORS).
The ability of fungi to resist or to become tolerant to chemotherapeutic agents, antifungal agents, or antibiotics. This resistance may be acquired through gene mutation.
Any tests that demonstrate the relative efficacy of different chemotherapeutic agents against specific microorganisms (i.e., bacteria, fungi, viruses).
Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations.
Substances that reduce the growth or reproduction of BACTERIA.
The capacity of an organism to defend itself against pathological processes or the agents of those processes. This most often involves innate immunity whereby the organism responds to pathogens in a generic way. The term disease resistance is used most frequently when referring to plants.
The ability of viruses to resist or to become tolerant to several structurally and functionally distinct drugs simultaneously. This resistance phenotype may be attributed to multiple gene mutation.
A 170-kDa transmembrane glycoprotein from the superfamily of ATP-BINDING CASSETTE TRANSPORTERS. It serves as an ATP-dependent efflux pump for a variety of chemicals, including many ANTINEOPLASTIC AGENTS. Overexpression of this glycoprotein is associated with multidrug resistance (see DRUG RESISTANCE, MULTIPLE).
The force that opposes the flow of BLOOD through a vascular bed. It is equal to the difference in BLOOD PRESSURE across the vascular bed divided by the CARDIAC OUTPUT.
Drugs used in the treatment of tuberculosis. They are divided into two main classes: "first-line" agents, those with the greatest efficacy and acceptable degrees of toxicity used successfully in the great majority of cases; and "second-line" drugs used in drug-resistant cases or those in which some other patient-related condition has compromised the effectiveness of primary therapy.
Tuberculosis resistant to chemotherapy with two or more ANTITUBERCULAR AGENTS, including at least ISONIAZID and RIFAMPICIN. The problem of resistance is particularly troublesome in tuberculous OPPORTUNISTIC INFECTIONS associated with HIV INFECTIONS. It requires the use of second line drugs which are more toxic than the first line regimens. TB with isolates that have developed further resistance to at least three of the six classes of second line drugs is defined as EXTENSIVELY DRUG-RESISTANT TUBERCULOSIS.
Agents used to treat AIDS and/or stop the spread of the HIV infection. These do not include drugs used to treat symptoms or opportunistic infections associated with AIDS.
Substances that inhibit or prevent the proliferation of NEOPLASMS.
The type species of LENTIVIRUS and the etiologic agent of AIDS. It is characterized by its cytopathic effect and affinity for the T4-lymphocyte.
Agents used in the treatment of malaria. They are usually classified on the basis of their action against plasmodia at different stages in their life cycle in the human. (From AMA, Drug Evaluations Annual, 1992, p1585)
Enzyme of the human immunodeficiency virus that is required for post-translational cleavage of gag and gag-pol precursor polyproteins into functional products needed for viral assembly. HIV protease is an aspartic protease encoded by the amino terminus of the pol gene.
A sequence-related subfamily of ATP-BINDING CASSETTE TRANSPORTERS that actively transport organic substrates. Although considered organic anion transporters, a subset of proteins in this family have also been shown to convey drug resistance to neutral organic drugs. Their cellular function may have clinical significance for CHEMOTHERAPY in that they transport a variety of ANTINEOPLASTIC AGENTS. Overexpression of proteins in this class by NEOPLASMS is considered a possible mechanism in the development of multidrug resistance (DRUG RESISTANCE, MULTIPLE). Although similar in function to P-GLYCOPROTEINS, the proteins in this class share little sequence homology to the p-glycoprotein family of proteins.
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
The genetic constitution of the individual, comprising the ALLELES present at each GENETIC LOCUS.
A reverse transcriptase encoded by the POL GENE of HIV. It is a heterodimer of 66 kDa and 51 kDa subunits that are derived from a common precursor protein. The heterodimer also includes an RNAse H activity (RIBONUCLEASE H, HUMAN IMMUNODEFICIENCY VIRUS) that plays an essential role the viral replication process.
Includes the spectrum of human immunodeficiency virus infections that range from asymptomatic seropositivity, thru AIDS-related complex (ARC), to acquired immunodeficiency syndrome (AIDS).
A species of gram-positive, aerobic bacteria that produces TUBERCULOSIS in humans, other primates, CATTLE; DOGS; and some other animals which have contact with humans. Growth tends to be in serpentine, cordlike masses in which the bacilli show a parallel orientation.
A class of plasmids that transfer antibiotic resistance from one bacterium to another by conjugation.
A family of MEMBRANE TRANSPORT PROTEINS that require ATP hydrolysis for the transport of substrates across membranes. The protein family derives its name from the ATP-binding domain found on the protein.
A cell line derived from cultured tumor cells.
Genes for MEMBRANE TRANSPORT PROTEINS that confer resistance to toxic compounds. Several superfamilies of these multidrug export proteins are known and found in both prokaryotes and eukaryotes.
Nonsusceptibility of bacteria to the action of TETRACYCLINE which inhibits aminoacyl-tRNA binding to the 30S ribosomal subunit during protein synthesis.
The ability of fungi to resist or to become tolerant to several structurally and functionally distinct drugs simultaneously. This resistance phenotype may be attributed to multiple gene mutations.
Nonsusceptibility of an organism to the action of penicillins.
An antibiotic produced by the soil actinomycete Streptomyces griseus. It acts by inhibiting the initiation and elongation processes during protein synthesis.
Antineoplastic antibiotic obtained from Streptomyces peucetius. It is a hydroxy derivative of DAUNORUBICIN.
A naphthacene antibiotic that inhibits AMINO ACYL TRNA binding during protein synthesis.
Inhibitors of reverse transcriptase (RNA-DIRECTED DNA POLYMERASE), an enzyme that synthesizes DNA on an RNA template.
Antibacterial agent used primarily as a tuberculostatic. It remains the treatment of choice for tuberculosis.
The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses.
A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis.
Proteins found in any species of bacterium.
Diseases of plants.
Tests that demonstrate the relative effectiveness of chemotherapeutic agents against specific parasites.
The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment.
A semisynthetic antibiotic produced from Streptomyces mediterranei. It has a broad antibacterial spectrum, including activity against several forms of Mycobacterium. In susceptible organisms it inhibits DNA-dependent RNA polymerase activity by forming a stable complex with the enzyme. It thus suppresses the initiation of RNA synthesis. Rifampin is bactericidal, and acts on both intracellular and extracellular organisms. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1160)
A species of protozoa that is the causal agent of falciparum malaria (MALARIA, FALCIPARUM). It is most prevalent in the tropics and subtropics.
Deoxyribonucleic acid that makes up the genetic material of bacteria.
A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc.
Physiologically, the opposition to flow of air caused by the forces of friction. As a part of pulmonary function testing, it is the ratio of driving pressure to the rate of air flow.
A parasexual process in BACTERIA; ALGAE; FUNGI; and ciliate EUKARYOTA for achieving exchange of chromosome material during fusion of two cells. In bacteria, this is a uni-directional transfer of genetic material; in protozoa it is a bi-directional exchange. In algae and fungi, it is a form of sexual reproduction, with the union of male and female gametes.
The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.
In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships.
One of the FOLIC ACID ANTAGONISTS that is used as an antimalarial or with a sulfonamide to treat toxoplasmosis.
Extrachromosomal, usually CIRCULAR DNA molecules that are self-replicating and transferable from one organism to another. They are found in a variety of bacterial, archaeal, fungal, algal, and plant species. They are used in GENETIC ENGINEERING as CLONING VECTORS.
A mutation in which a codon is mutated to one directing the incorporation of a different amino acid. This substitution may result in an inactive or unstable product. (From A Dictionary of Genetics, King & Stansfield, 5th ed)
Membrane proteins whose primary function is to facilitate the transport of molecules across a biological membrane. Included in this broad category are proteins involved in active transport (BIOLOGICAL TRANSPORT, ACTIVE), facilitated transport and ION CHANNELS.
One of the mechanisms by which CELL DEATH occurs (compare with NECROSIS and AUTOPHAGOCYTOSIS). Apoptosis is the mechanism responsible for the physiological deletion of cells and appears to be intrinsically programmed. It is characterized by distinctive morphologic changes in the nucleus and cytoplasm, chromatin cleavage at regularly spaced sites, and the endonucleolytic cleavage of genomic DNA; (DNA FRAGMENTATION); at internucleosomal sites. This mode of cell death serves as a balance to mitosis in regulating the size of animal tissues and in mediating pathologic processes associated with tumor growth.
Cells grown in vitro from neoplastic tissue. If they can be established as a TUMOR CELL LINE, they can be propagated in cell culture indefinitely.
Antibiotic complex produced by Streptomyces kanamyceticus from Japanese soil. Comprises 3 components: kanamycin A, the major component, and kanamycins B and C, the minor components.
Nonsusceptibility of bacteria to the action of the beta-lactam antibiotics. Mechanisms responsible for beta-lactam resistance may be degradation of antibiotics by BETA-LACTAMASES, failure of antibiotics to penetrate, or low-affinity binding of antibiotics to targets.
Inhibitors of HIV PROTEASE, an enzyme required for production of proteins needed for viral assembly.
A type of strength-building exercise program that requires the body muscle to exert a force against some form of resistance, such as weight, stretch bands, water, or immovable objects. Resistance exercise is a combination of static and dynamic contractions involving shortening and lengthening of skeletal muscles.
A measure of the quality of health care by assessment of unsuccessful results of management and procedures used in combating disease, in individual cases or series.
The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.
Nonsusceptibility of bacteria to the action of CHLORAMPHENICOL, a potent inhibitor of protein synthesis in the 50S ribosomal subunit where amino acids are added to nascent bacterial polypeptides.
Malaria caused by PLASMODIUM FALCIPARUM. This is the severest form of malaria and is associated with the highest levels of parasites in the blood. This disease is characterized by irregularly recurring febrile paroxysms that in extreme cases occur with acute cerebral, renal, or gastrointestinal manifestations.
The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability.
The functional hereditary units of BACTERIA.
The concentration of a compound needed to reduce population growth of organisms, including eukaryotic cells, by 50% in vitro. Though often expressed to denote in vitro antibacterial activity, it is also used as a benchmark for cytotoxicity to eukaryotic cells in culture.
A long acting sulfonamide that is used, usually in combination with other drugs, for respiratory, urinary tract, and malarial infections.
Nonsusceptibility of a microbe to the action of ampicillin, a penicillin derivative that interferes with cell wall synthesis.
Substances that destroy fungi by suppressing their ability to grow or reproduce. They differ from FUNGICIDES, INDUSTRIAL because they defend against fungi present in human or animal tissues.
Elements of limited time intervals, contributing to particular results or situations.
An enzyme of the oxidoreductase class that catalyzes the reaction 7,8-dihyrofolate and NADPH to yield 5,6,7,8-tetrahydrofolate and NADPH+, producing reduced folate for amino acid metabolism, purine ring synthesis, and the formation of deoxythymidine monophosphate. Methotrexate and other folic acid antagonists used as chemotherapeutic drugs act by inhibiting this enzyme. (Dorland, 27th ed) EC 1.5.1.3.
Proteins encoded by the POL GENE of the HUMAN IMMUNODEFICIENCY VIRUS.
Agents used in the prophylaxis or therapy of VIRUS DISEASES. Some of the ways they may act include preventing viral replication by inhibiting viral DNA polymerase; binding to specific cell-surface receptors and inhibiting viral penetration or uncoating; inhibiting viral protein synthesis; or blocking late stages of virus assembly.
Methods of investigating the effectiveness of anticancer cytotoxic drugs and biologic inhibitors. These include in vitro cell-kill models and cytostatic dye exclusion tests as well as in vivo measurement of tumor growth parameters in laboratory animals.
The capacity of a normal organism to remain unaffected by microorganisms and their toxins. It results from the presence of naturally occurring ANTI-INFECTIVE AGENTS, constitutional factors such as BODY TEMPERATURE and immediate acting immune cells such as NATURAL KILLER CELLS.
Chemical substances, produced by microorganisms, inhibiting or preventing the proliferation of neoplasms.
An antitubercular agent that inhibits the transfer of mycolic acids into the cell wall of the tubercle bacillus. It may also inhibit the synthesis of spermidine in mycobacteria. The action is usually bactericidal, and the drug can penetrate human cell membranes to exert its lethal effect. (From Smith and Reynard, Textbook of Pharmacology, 1992, p863)
The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway.
A variation of the PCR technique in which cDNA is made from RNA via reverse transcription. The resultant cDNA is then amplified using standard PCR protocols.
A bacteriostatic antibiotic macrolide produced by Streptomyces erythreus. Erythromycin A is considered its major active component. In sensitive organisms, it inhibits protein synthesis by binding to 50S ribosomal subunits. This binding process inhibits peptidyl transferase activity and interferes with translocation of amino acids during translation and assembly of proteins.
Single preparations containing two or more active agents, for the purpose of their concurrent administration as a fixed dose mixture.
An inorganic and water-soluble platinum complex. After undergoing hydrolysis, it reacts with DNA to produce both intra and interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity of cisplatin correlates with cellular arrest in the G2 phase of the cell cycle.
A subfamily of transmembrane proteins from the superfamily of ATP-BINDING CASSETTE TRANSPORTERS that are closely related in sequence to P-GLYCOPROTEIN. When overexpressed, they function as ATP-dependent efflux pumps able to extrude lipophilic drugs, especially ANTINEOPLASTIC AGENTS, from cells causing multidrug resistance (DRUG RESISTANCE, MULTIPLE). Although P-Glycoproteins share functional similarities to MULTIDRUG RESISTANCE-ASSOCIATED PROTEINS they are two distinct subclasses of ATP-BINDING CASSETTE TRANSPORTERS, and have little sequence homology.
Five membered rings containing a NITROGEN atom.
Agents used to treat RETROVIRIDAE INFECTIONS.
Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in neoplastic tissue.
An enzyme that catalyzes the formation of dihydropteroate from p-aminobenzoic acid and dihydropteridine-hydroxymethyl-pyrophosphate. EC 2.5.1.15.
An antibiotic first isolated from cultures of Streptomyces venequelae in 1947 but now produced synthetically. It has a relatively simple structure and was the first broad-spectrum antibiotic to be discovered. It acts by interfering with bacterial protein synthesis and is mainly bacteriostatic. (From Martindale, The Extra Pharmacopoeia, 29th ed, p106)
Substances that prevent infectious agents or organisms from spreading or kill infectious agents in order to prevent the spread of infection.
The relationships of groups of organisms as reflected by their genetic makeup.
Proteins found in any species of protozoan.
Proteins whose abnormal expression (gain or loss) are associated with the development, growth, or progression of NEOPLASMS. Some neoplasm proteins are tumor antigens (ANTIGENS, NEOPLASM), i.e. they induce an immune reaction to their tumor. Many neoplasm proteins have been characterized and are used as tumor markers (BIOMARKERS, TUMOR) when they are detectable in cells and body fluids as monitors for the presence or growth of tumors. Abnormal expression of ONCOGENE PROTEINS is involved in neoplastic transformation, whereas the loss of expression of TUMOR SUPPRESSOR PROTEINS is involved with the loss of growth control and progression of the neoplasm.
A unicellular budding fungus which is the principal pathogenic species causing CANDIDIASIS (moniliasis).
New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms.
Non-susceptibility of a microbe to the action of METHICILLIN, a semi-synthetic penicillin derivative.
The relationship between the dose of an administered drug and the response of the organism to the drug.
Agents obtained from higher plants that have demonstrable cytostatic or antineoplastic activity.
A calcium channel blocker that is a class IV anti-arrhythmia agent.
A group of SESQUITERPENES and their analogs that contain a peroxide group (PEROXIDES) within an oxepin ring (OXEPINS).
Established cell cultures that have the potential to propagate indefinitely.
Triazole antifungal agent that is used to treat oropharyngeal CANDIDIASIS and cryptococcal MENINGITIS in AIDS.
The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.
Large cytoplasmic ribonucleoprotein particles that have an eight-fold symmetry with a central pore and petal-like structure giving the appearance of an octagonal dome. (The Dictionary of Cell Biology, Lackie and Dow, 2nd ed.)
Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.
MYCOBACTERIUM infections of the lung.
Any of the infectious diseases of man and other animals caused by species of MYCOBACTERIUM.
Enzymes found in many bacteria which catalyze the hydrolysis of the amide bond in the beta-lactam ring. Well known antibiotics destroyed by these enzymes are penicillins and cephalosporins.
Vertical transmission of hereditary characters by DNA from cytoplasmic organelles such as MITOCHONDRIA; CHLOROPLASTS; and PLASTIDS, or from PLASMIDS or viral episomal DNA.
Nonsusceptibility of bacteria to the action of VANCOMYCIN, an inhibitor of cell wall synthesis.
Potentially pathogenic bacteria found in nasal membranes, skin, hair follicles, and perineum of warm-blooded animals. They may cause a wide range of infections and intoxications.
A bacterial DNA topoisomerase II that catalyzes ATP-dependent breakage of both strands of DNA, passage of the unbroken strands through the breaks, and rejoining of the broken strands. Gyrase binds to DNA as a heterotetramer consisting of two A and two B subunits. In the presence of ATP, gyrase is able to convert the relaxed circular DNA duplex into a superhelix. In the absence of ATP, supercoiled DNA is relaxed by DNA gyrase.
A group of often glycosylated macrocyclic compounds formed by chain extension of multiple PROPIONATES cyclized into a large (typically 12, 14, or 16)-membered lactone. Macrolides belong to the POLYKETIDES class of natural products, and many members exhibit ANTIBIOTIC properties.
Therapy with two or more separate preparations given for a combined effect.
The action of a drug in promoting or enhancing the effectiveness of another drug.
A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1).
The quantity of measurable virus in a body fluid. Change in viral load, measured in plasma, is sometimes used as a SURROGATE MARKER in disease progression.
A mutation caused by the substitution of one nucleotide for another. This results in the DNA molecule having a change in a single base pair.
Genotypic differences observed among individuals in a population.
Semi-synthetic derivative of penicillin that functions as an orally active broad-spectrum antibiotic.
RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm.
A protozoan disease caused in humans by four species of the PLASMODIUM genus: PLASMODIUM FALCIPARUM; PLASMODIUM VIVAX; PLASMODIUM OVALE; and PLASMODIUM MALARIAE; and transmitted by the bite of an infected female mosquito of the genus ANOPHELES. Malaria is endemic in parts of Asia, Africa, Central and South America, Oceania, and certain Caribbean islands. It is characterized by extreme exhaustion associated with paroxysms of high FEVER; SWEATING; shaking CHILLS; and ANEMIA. Malaria in ANIMALS is caused by other species of plasmodia.
Non-susceptibility of an organism to the action of the cephalosporins.
Short sequences (generally about 10 base pairs) of DNA that are complementary to sequences of messenger RNA and allow reverse transcriptases to start copying the adjacent sequences of mRNA. Primers are used extensively in genetic and molecular biology techniques.
A group of QUINOLONES with at least one fluorine atom and a piperazinyl group.
A very toxic anthracycline aminoglycoside antineoplastic isolated from Streptomyces peucetius and others, used in treatment of LEUKEMIA and other NEOPLASMS.
Drug regimens, for patients with HIV INFECTIONS, that aggressively suppress HIV replication. The regimens usually involve administration of three or more different drugs including a protease inhibitor.
Discrete segments of DNA which can excise and reintegrate to another site in the genome. Most are inactive, i.e., have not been found to exist outside the integrated state. DNA transposable elements include bacterial IS (insertion sequence) elements, Tn elements, the maize controlling elements Ac and Ds, Drosophila P, gypsy, and pogo elements, the human Tigger elements and the Tc and mariner elements which are found throughout the animal kingdom.
A potent, non-nucleoside reverse transcriptase inhibitor used in combination with nucleoside analogues for treatment of HIV INFECTIONS and AIDS.
Tuberculosis resistant to ISONIAZID and RIFAMPIN and at least three of the six main classes of second-line drugs (AMINOGLYCOSIDES; polypeptide agents; FLUOROQUINOLONES; THIOAMIDES; CYCLOSERINE; and PARA-AMINOSALICYLIC ACID) as defined by the CDC.
Nonsusceptibility of bacteria to the antibiotic KANAMYCIN, which can bind to their 70S ribosomes and cause misreading of messenger RNA.
The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells.
Diminished or failed response of PLANTS to HERBICIDES.
Substances that are destructive to protozoans.
Human immunodeficiency virus. A non-taxonomic and historical term referring to any of two species, specifically HIV-1 and/or HIV-2. Prior to 1986, this was called human T-lymphotropic virus type III/lymphadenopathy-associated virus (HTLV-III/LAV). From 1986-1990, it was an official species called HIV. Since 1991, HIV was no longer considered an official species name; the two species were designated HIV-1 and HIV-2.
Agents that inhibit PROTEIN KINASES.
Inhibitors of the enzyme, dihydrofolate reductase (TETRAHYDROFOLATE DEHYDROGENASE), which converts dihydrofolate (FH2) to tetrahydrofolate (FH4). They are frequently used in cancer chemotherapy. (From AMA, Drug Evaluations Annual, 1994, p2033)
Substances obtained from various species of microorganisms that are, alone or in combination with other agents, of use in treating various forms of tuberculosis; most of these agents are merely bacteriostatic, induce resistance in the organisms, and may be toxic.
A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They include several nucleic acid constituents (CYTOSINE; THYMINE; and URACIL) and form the basic structure of the barbiturates.
A broad-spectrum antimicrobial carboxyfluoroquinoline.
Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes.
An anthracenedione-derived antineoplastic agent.
The movement of materials (including biochemical substances and drugs) through a biological system at the cellular level. The transport can be across cell membranes and epithelial layers. It also can occur within intracellular compartments and extracellular compartments.
A family of gram-negative, facultatively anaerobic, rod-shaped bacteria that do not form endospores. Its organisms are distributed worldwide with some being saprophytes and others being plant and animal parasites. Many species are of considerable economic importance due to their pathogenic effects on agriculture and livestock.
The uptake of naked or purified DNA by CELLS, usually meaning the process as it occurs in eukaryotic cells. It is analogous to bacterial transformation (TRANSFORMATION, BACTERIAL) and both are routinely employed in GENE TRANSFER TECHNIQUES.
A group of compounds that contain the structure SO2NH2.
A cyclodecane isolated from the bark of the Pacific yew tree, TAXUS BREVIFOLIA. It stabilizes MICROTUBULES in their polymerized form leading to cell death.
All of the processes involved in increasing CELL NUMBER including CELL DIVISION.
Carbon-containing phosphonic acid compounds. Included under this heading are compounds that have carbon bound to either OXYGEN atom or the PHOSPHOROUS atom of the (P=O)O2 structure.
Glycosylated compounds in which there is an amino substituent on the glycoside. Some of them are clinically important ANTIBIOTICS.
Highly proliferative, self-renewing, and colony-forming stem cells which give rise to NEOPLASMS.
DNA TOPOISOMERASES that catalyze ATP-dependent breakage of both strands of DNA, passage of the unbroken strands through the breaks, and rejoining of the broken strands. These enzymes bring about relaxation of the supercoiled DNA and resolution of a knotted circular DNA duplex.
DNA sequences that form the coding region for retroviral enzymes including reverse transcriptase, protease, and endonuclease/integrase. "pol" is short for polymerase, the enzyme class of reverse transcriptase.
Differential and non-random reproduction of different genotypes, operating to alter the gene frequencies within a population.
Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.
A semisynthetic derivative of PODOPHYLLOTOXIN that exhibits antitumor activity. Etoposide inhibits DNA synthesis by forming a complex with topoisomerase II and DNA. This complex induces breaks in double stranded DNA and prevents repair by topoisomerase II binding. Accumulated breaks in DNA prevent entry into the mitotic phase of cell division, and lead to cell death. Etoposide acts primarily in the G2 and S phases of the cell cycle.
The determination of the pattern of genes expressed at the level of GENETIC TRANSCRIPTION, under specific circumstances or in a specific cell.
A dideoxynucleoside compound in which the 3'-hydroxy group on the sugar moiety has been replaced by an azido group. This modification prevents the formation of phosphodiester linkages which are needed for the completion of nucleic acid chains. The compound is a potent inhibitor of HIV replication, acting as a chain-terminator of viral DNA during reverse transcription. It improves immunologic function, partially reverses the HIV-induced neurological dysfunction, and improves certain other clinical abnormalities associated with AIDS. Its principal toxic effect is dose-dependent suppression of bone marrow, resulting in anemia and leukopenia.
An antitumor alkaloid isolated from VINCA ROSEA. (Merck, 11th ed.)
A species of gram-negative, aerobic, rod-shaped bacteria commonly isolated from clinical specimens (wound, burn, and urinary tract infections). It is also found widely distributed in soil and water. P. aeruginosa is a major agent of nosocomial infection.
The phenotypic manifestation of a gene or genes by the processes of GENETIC TRANSCRIPTION and GENETIC TRANSLATION.
Tumors or cancer of the human BREAST.
Variant forms of the same gene, occupying the same locus on homologous CHROMOSOMES, and governing the variants in production of the same gene product.
Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction.
Small double-stranded, non-protein coding RNAs (21-31 nucleotides) involved in GENE SILENCING functions, especially RNA INTERFERENCE (RNAi). Endogenously, siRNAs are generated from dsRNAs (RNA, DOUBLE-STRANDED) by the same ribonuclease, Dicer, that generates miRNAs (MICRORNAS). The perfect match of the siRNAs' antisense strand to their target RNAs mediates RNAi by siRNA-guided RNA cleavage. siRNAs fall into different classes including trans-acting siRNA (tasiRNA), repeat-associated RNA (rasiRNA), small-scan RNA (scnRNA), and Piwi protein-interacting RNA (piRNA) and have different specific gene silencing functions.
Transport proteins that carry specific substances in the blood or across cell membranes.
Deoxyribonucleic acid that makes up the genetic material of protozoa.
A genus of protozoa that comprise the malaria parasites of mammals. Four species infect humans (although occasional infections with primate malarias may occur). These are PLASMODIUM FALCIPARUM; PLASMODIUM MALARIAE; PLASMODIUM OVALE, and PLASMODIUM VIVAX. Species causing infection in vertebrates other than man include: PLASMODIUM BERGHEI; PLASMODIUM CHABAUDI; P. vinckei, and PLASMODIUM YOELII in rodents; P. brasilianum, PLASMODIUM CYNOMOLGI; and PLASMODIUM KNOWLESI in monkeys; and PLASMODIUM GALLINACEUM in chickens.
A selective increase in the number of copies of a gene coding for a specific protein without a proportional increase in other genes. It occurs naturally via the excision of a copy of the repeating sequence from the chromosome and its extrachromosomal replication in a plasmid, or via the production of an RNA transcript of the entire repeating sequence of ribosomal RNA followed by the reverse transcription of the molecule to produce an additional copy of the original DNA sequence. Laboratory techniques have been introduced for inducing disproportional replication by unequal crossing over, uptake of DNA from lysed cells, or generation of extrachromosomal sequences from rolling circle replication.
The degree of pathogenicity within a group or species of microorganisms or viruses as indicated by case fatality rates and/or the ability of the organism to invade the tissues of the host. The pathogenic capacity of an organism is determined by its VIRULENCE FACTORS.
Any of the processes by which cytoplasmic or intercellular factors influence the differential control of gene action in bacteria.
Any method used for determining the location of and relative distances between genes on a chromosome.
A phospholipid-interacting antimalarial drug (ANTIMALARIALS). It is very effective against PLASMODIUM FALCIPARUM with very few side effects.
A gram-positive organism found in the upper respiratory tract, inflammatory exudates, and various body fluids of normal and/or diseased humans and, rarely, domestic animals.
Pesticides designed to control insects that are harmful to man. The insects may be directly harmful, as those acting as disease vectors, or indirectly harmful, as destroyers of crops, food products, or textile fabrics.
DNA elements that include the component genes and insertion site for a site-specific recombination system that enables them to capture mobile gene cassettes.
Membrane proteins encoded by the BCL-2 GENES and serving as potent inhibitors of cell death by APOPTOSIS. The proteins are found on mitochondrial, microsomal, and NUCLEAR MEMBRANE sites within many cell types. Overexpression of bcl-2 proteins, due to a translocation of the gene, is associated with follicular lymphoma.
Ribonucleic acid that makes up the genetic material of viruses.
Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures.
Using MOLECULAR BIOLOGY techniques, such as DNA SEQUENCE ANALYSIS; PULSED-FIELD GEL ELECTROPHORESIS; and DNA FINGERPRINTING, to identify, classify, and compare organisms and their subtypes.
A hydroxynaphthoquinone that has antimicrobial activity and is being used in antimalarial protocols.
A set of statistical methods used to group variables or observations into strongly inter-related subgroups. In epidemiology, it may be used to analyze a closely grouped series of events or cases of disease or other health-related phenomenon with well-defined distribution patterns in relation to time or place or both.
A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID.
This line KB is now known to be a subline of the ubiquitous KERATIN-forming tumor cell line HeLa. It was originally thought to be derived from an epidermal carcinoma of the mouth, but was subsequently found, based on isoenzyme analysis, HeLa marker chromosomes, and DNA fingerprinting, to have been established via contamination by HELA CELLS. The cells are positive for keratin by immunoperoxidase staining. KB cells have been reported to contain human papillomavirus18 (HPV-18) sequences.
A fluorescent probe with low toxicity which is a potent substrate for P-glycoprotein and the bacterial multidrug efflux transporter. It is used to assess mitochondrial bioenergetics in living cells and to measure the efflux activity of P-glycoprotein in both normal and malignant cells. (Leukemia 1997;11(7):1124-30)
Technique using an instrument system for making, processing, and displaying one or more measurements on individual cells obtained from a cell suspension. Cells are usually stained with one or more fluorescent dyes specific to cell components of interest, e.g., DNA, and fluorescence of each cell is measured as it rapidly transverses the excitation beam (laser or mercury arc lamp). Fluorescence provides a quantitative measure of various biochemical and biophysical properties of the cell, as well as a basis for cell sorting. Other measurable optical parameters include light absorption and light scattering, the latter being applicable to the measurement of cell size, shape, density, granularity, and stain uptake.
A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that utilizes citrate as a sole carbon source. It is pathogenic for humans, causing enteric fevers, gastroenteritis, and bacteremia. Food poisoning is the most common clinical manifestation. Organisms within this genus are separated on the basis of antigenic characteristics, sugar fermentation patterns, and bacteriophage susceptibility.
3,6-Diamino-10-methylacridinium chloride mixt. with 3,6-acridinediamine. Fluorescent dye used as a local antiseptic and also as a biological stain. It intercalates into nucleic acids thereby inhibiting bacterial and viral replication.
One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive.
A genus of gram-positive, facultatively anaerobic, coccoid bacteria. Its organisms occur singly, in pairs, and in tetrads and characteristically divide in more than one plane to form irregular clusters. Natural populations of Staphylococcus are found on the skin and mucous membranes of warm-blooded animals. Some species are opportunistic pathogens of humans and animals.
Production of new arrangements of DNA by various mechanisms such as assortment and segregation, CROSSING OVER; GENE CONVERSION; GENETIC TRANSFORMATION; GENETIC CONJUGATION; GENETIC TRANSDUCTION; or mixed infection of viruses.
Tumors or cancer of the OVARY. These neoplasms can be benign or malignant. They are classified according to the tissue of origin, such as the surface EPITHELIUM, the stromal endocrine cells, and the totipotent GERM CELLS.
Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN.
Glucose in blood.

Nonbehavioral selection for pawns, mutants of Paramecium aurelia with decreased excitability. (1/8454)

The reversal response in Paramecium aurelia is mediated by calcium which carries the inward current during excitation. Electrophysiological studies indicate that strontium and barium can also carry the inward current. Exposure to high concentrations of barium rapidly paralyzes and later kills wild-type paramecia. Following mutagenesis with nitrosoguanidine, seven mutants which continued to swim in the ;high-barium' solution were selected. All of the mutants show decreased reversal behavior, with phenotypes ranging from extremely non-reversing (;extreme' pawns) to nearly wild-type reversal behavior (;partial' pawns). The mutations fall into three complementation groups, identical to the pwA, pwB, and pwC genes of Kunget al. (1975). All of the pwA and pwB mutants withstand longer exposure to barium, the pwB mutants surviving longer than the pwA mutants. Among mutants of each gene, survival is correlated with loss of reversal behavior. Double mutants (A-B, A-C, B-C), identified in the exautogamous progeny of crosses between ;partial' mutants, exhibited a more extreme non-reversing phenotype than either of their single-mutant (;partial' pawn) parents.---Inability to reverse could be expected from an alteration in the calcium-activated reversal mechanism or in excitation. A normal calcium-activated structure was demonstrated in all pawns by chlorpromazine treatment. In a separate report (Schein, Bennett and Katz 1976) the results of electrophysiological investigations directly demonstrate decreased excitability in all of the mutants, a decrease due to an altered calcium activation. The studies of the genetics, the survival in barium and the electro-physiology of the pawns demonstrate that the pwA and pwB genes have different effects on calcium activation.  (+info)

JNK2 is required for efficient T-cell activation and apoptosis but not for normal lymphocyte development. (2/8454)

BACKGROUND: The Jun N-terminal kinase (JNK) signaling pathway has been implicated in cell proliferation and apoptosis, but its function seems to depend on the cell type and inducing signal. In T cells, JNK has been implicated in both antigen-induced activation and apoptosis. RESULTS: We generated mice lacking the JNK2 isozymes. The mutant mice were healthy and fertile but defective in peripheral T-cell activation induced by antibody to the CD3 component of the T-cell receptor (TCR) complex - proliferation and production of interleukin-2 (IL-2), IL-4 and interferon-gamma (IFN-gamma) were reduced. The proliferation defect was restored by exogenous IL-2. B-cell activation was normal in the absence of JNK2. Activation-induced peripheral T-cell apoptosis was comparable between mutant and wild-type mice, but immature (CD4(+) CD8(+)) thymocytes lacking JNK2 were resistant to apoptosis induced by administration of anti-CD3 antibody in vivo. The lack of JNK2 also resulted in partial resistance of thymocytes to anti-CD3 antibody in vitro, but had little or no effect on apoptosis induced by anti-Fas antibody, dexamethasone or ultraviolet-C (UVC) radiation. CONCLUSIONS: JNK2 is essential for efficient activation of peripheral T cells but not B cells. Peripheral T-cell activation is probably required indirectly for induction of thymocyte apoptosis resulting from administration of anti-CD3 antibody in vivo. JNK2 functions in a cell-type-specific and stimulus-dependent manner, being required for apoptosis of immature thymocytes induced by anti-CD3 antibody but not for apoptosis induced by anti-Fas antibody, UVC or dexamethasone. JNK2 is not required for activation-induced cell death of mature T cells.  (+info)

Myths, models and mitigation of resistance to pesticides. (3/8454)

Resistance to pesticides in arthropod pests is a significant economic, ecological and public health problem. Although extensive research has been conducted on diverse aspects of pesticide resistance and we have learned a great deal during the past 50 years, to some degree the discussion about 'resistance management' has been based on 'myths'. One myth involves the belief that we can manage resistance. I will maintain that we can only attempt to mitigate resistance because resistance is a natural evolutionary response to environmental stresses. As such, resistance will remain an ongoing dilemma in pest management and we can only delay the onset of resistance to pesticides. 'Resistance management' models and tactics have been much discussed but have been tested and deployed in practical pest management programmes with only limited success. Yet the myth persists that better models will provide a 'solution' to the problem. The reality is that success in using mitigation models is limited because these models are applied to inappropriate situations in which the critical genetic, ecological, biological or logistic assumptions cannot be met. It is difficult to predict in advance which model is appropriate to a particular situation; if the model assumptions cannot be met, applying the model sometimes can increase the rate of resistance development rather than slow it down. Are there any solutions? I believe we already have one. Unfortunately, it is not a simple or easy one to deploy. It involves employing effective agronomic practices to develop and maintain a healthy crop, monitoring pest densities, evaluating economic injury levels so that pesticides are applied only when necessary, deploying and conserving biological control agents, using host-plant resistance, cultural controls of the pest, biorational pest controls, and genetic control methods. As a part of a truly multi-tactic strategy, it is crucial to evaluate the effect of pesticides on natural enemies in order to preserve them in the cropping system. Sometimes, pesticide-resistant natural enemies are effective components of this resistance mitigation programme. Another name for this resistance mitigation model is integrated pest management (IPM). This complex model was outlined in some detail nearly 40 years ago by V. M. Stern and colleagues. To deploy the IPM resistance mitigation model, we must admit that pest management and resistance mitigation programmes are not sustainable if based on a single-tactic strategy. Delaying resistance, whether to traditional pesticides or to transgenic plants containing toxin genes from Bacillus thuringiensis, will require that we develop multi-tactic pest management programmes that incorporate all appropriate pest management approaches. Because pesticides are limited resources, and their loss can result in significant social and economic costs, they should be reserved for situations where they are truly needed--as tools to subdue an unexpected pest population outbreak. Effective multi-tactic IPM programmes delay resistance (= mitigation) because the number and rates of pesticide applications will be reduced.  (+info)

Transformation of intestinal epithelial cells by chronic TGF-beta1 treatment results in downregulation of the type II TGF-beta receptor and induction of cyclooxygenase-2. (4/8454)

The precise role of TGF-beta in colorectal carcinogenesis is not clear. The purpose of this study was to determine the phenotypic alterations caused by chronic exposure to TGF-beta in non-transformed intestinal epithelial (RIE-1) cells. Growth of RIE-1 cells was inhibited by >75% following TGF-beta1 treatment for 7 days, after which the cells resumed a normal growth despite the presence of TGF-beta1. These 'TGF-beta-resistant' cells (RIE-Tr) were continuously exposed to TGF-beta for >50 days. Unlike the parental RIE cells, RIE-Tr cells lost contact inhibition, formed foci in culture, grew in soft agarose. RIE-Tr cells demonstrated TGF-beta-dependent invasive potential in an in vitro assay and were resistant to Matrigel and Na-butyrate-induced apoptosis. The RIE-Tr cells were also tumorigenic in nude mice. The transformed phenotype of RIE-Tr cells was associated with a 95% decrease in the level of the type II TGF-beta receptor (TbetaRII) protein, a 40-fold increase in cyclooxygenase-2 (COX-2) protein, and 5.9-fold increase in the production of prostacyclin. Most RIE-Tr subclones that expressed low levels of TbetaRII and high levels of COX-2 were tumorigenic. Those subclones that express abundant TbetaRII and low levels of COX-2 were not tumorigenic in nude mice. A selective COX-2 inhibitor inhibited RIE-Tr cell growth in culture and tumor growth in nude mice. The reduced expression of TbetaRII, increased expression of COX-2, and the ability to form colonies in Matrigel were all reversible upon withdrawal of exogenous TGF-beta1 for the RIE-Tr cells.  (+info)

Isolation and characterization of two mouse L cell lines resistant to the toxic lectin ricin. (5/8454)

Two variant mouse L cell lines (termed CL 3 and CL 6) have been selected for resistant to ricin, a galactose-binding lectin with potent cytotoxic activity. The resistant lines exhibit a 50 to 70% decrease in ricin binding and a 300- to 500-fold increase in resistance to the toxic effects of ricin. Crude membrane preparations of CL 3 cells have increased sialic acid content (200% of control), while the galactose, mannose, and hexosamine content is within normal limits. Both the glycoproteins and glycolipids of CL 3 cells have increased sialic acid, with the GM3:lactosylceramide ratios for parent L and CL 3 cells being 0.29 and 1.5, respectively. In contrast, the membranes of CL 6 cells have a decrease in sialic acid, galactose, and hexosamine content with mannose being normal. Both cell lines have specific alterations in glycosyltransferase activities which can account for the observed membrane sugar changes. CL 3 cells have increased CMP-sialic acid:glycoprotein sialyltransferase and GM3 synthetase activities, while CL 6 cells have decrease UDP-GlcNAc:glycoproteinN-acetylglucosaminyltransferase and DPU-galactose:glycoprotein galactosyltransferase activities. The increased sialic acid content of CL 3 cells serves to mask ricin binding sites, since neuraminidase treatment of this cell line restores ricin binding to essentially normal levels. However, the fact that neuraminidase-treated CL 3 cells are still 45-fold resistant to ricin indicates that either a special class of productive ricin binding sites is not being exposed or that the cell line has a second mechanism for ricin resistance.  (+info)

[3H]gemcitabine uptake by nucleoside transporters in a human head and neck squamous carcinoma cell line. (6/8454)

Cellular uptake of many chemotherapeutic nucleoside analogs is dependent on the activity of a family of nucleoside transport proteins located in the cell plasma membrane. In the present study, we examined the role of these transporters in the accumulation of gemcitabine by a human head and neck squamous carcinoma cell line. The uptake of [3H]gemcitibine was compared with that of [3H]uridine and [3H]formycin B in the parent cell line (HN-5a) and in a gemcitabine-resistant variant (GEM-8e). The HN-5a and GEM-8e cells were similar in their transport characteristics and expressed predominantly the es (equilibrative, inhibitor-sensitive) transporter subtype; less than 10% of the influx of [3H]formycin B or [3H]uridine was mediated by the ei (equilibrative inhibitor-resistant) system, and there was no evidence for Na+-dependent nucleoside transporters. [3H]Gemcitabine (10 microM) entered these cells via both the es and ei transporters with an initial rate of uptake similar to that seen with the use of [3H]formycin B or [3H]uridine. In addition, ATP-replete cells accumulated significantly less [3H]gemcitabine than did ATP-depleted cells, which is indicative of an active efflux mechanism for gemcitabine. These results show that gemcitabine is a substrate for both the es and ei nucleoside transporters of HN-5a and GEM-8e cells and that gemcitabine resistance of the GEM-8e cells cannot be attributed to changes in transporter activity. Further studies to define the characteristics of the putative efflux mechanism are clearly warranted because this system has the potential to significantly affect the clinical efficacy of gemcitabine.  (+info)

Resistance of paroxysmal nocturnal hemoglobinuria cells to the glycosylphosphatidylinositol-binding toxin aerolysin. (7/8454)

Paroxysmal nocturnal hemoglobinuria (PNH) is a clonal stem cell disorder caused by a somatic mutation of the PIGA gene. The product of this gene is required for the biosynthesis of glycosylphosphatidylinositol (GPI) anchors; therefore, the phenotypic hallmark of PNH cells is an absence or marked deficiency of all GPI-anchored proteins. Aerolysin is a toxin secreted by the bacterial pathogen Aeromonas hydrophila and is capable of killing target cells by forming channels in their membranes after binding to GPI-anchored receptors. We found that PNH blood cells (erythrocytes, lymphocytes, and granulocytes), but not blood cells from normals or other hematologic disorders, are resistant to the cytotoxic effects of aerolysin. The percentage of lysis of PNH cells after aerolysin exposure paralleled the percentage of CD59(+) cells in the samples measured by flow cytometry. The kinetics of red blood cell lysis correlated with the type of PNH erythrocytes. PNH type III cells were completely resistant to aerolysin, whereas PNH type II cells displayed intermediate sensitivity. Importantly, the use of aerolysin allowed us to detect PNH populations that could not be detected by standard flow cytometry. Resistance of PNH cells to aerolysin allows for a simple, inexpensive assay for PNH that is sensitive and specific. Aerolysin should also be useful in studying PNH biology.  (+info)

Electrophysiological evidence for tetrodotoxin-resistant sodium channels in slowly conducting dural sensory fibers. (8/8454)

A tetrodotoxin (TTX)-resistant sodium channel was recently identified that is expressed only in small diameter neurons of peripheral sensory ganglia. The peripheral axons of sensory neurons appear to lack this channel, but its presence has not been investigated in peripheral nerve endings, the site of sensory transduction in vivo. We investigated the effect of TTX on mechanoresponsiveness in nerve endings of sensory neurons that innervate the intracranial dura. Because the degree of TTX resistance of axonal branches could potentially be affected by factors other than channel subtype, the neurons were also tested for sensitivity to lidocaine, which blocks both TTX-sensitive and TTX-resistant sodium channels. Single-unit activity was recorded from dural afferent neurons in the trigeminal ganglion of urethan-anesthetized rats. Response thresholds to mechanical stimulation of the dura were determined with von Frey monofilaments while exposing the dura to progressively increasing concentrations of TTX or lidocaine. Neurons with slowly conducting axons were relatively resistant to TTX. Application of 1 microM TTX produced complete suppression of mechanoresponsiveness in all (11/11) fast A-delta units [conduction velocity (c.v.) 5-18 m/s] but only 50% (5/10) of slow A-delta units (1.5 +info)

1. Innate immunity: This is the body's first line of defense against infection, and it involves the recognition and elimination of pathogens by cells and proteins that are present from birth.
2. Acquired immunity: This type of immunity develops over time as a result of exposure to pathogens, and it involves the production of antibodies and other immune cells that can recognize and eliminate specific pathogens.
3. Cell-mediated immunity: This is a type of immunity that involves the activation of immune cells, such as T cells and macrophages, to fight off infection.
4. Genetic resistance: Some individuals may have a genetic predisposition to disease resistance, which can be influenced by their ancestry or genetic makeup.
5. Environmental factors: Exposure to certain environmental factors, such as sunlight, clean water, and good nutrition, can also contribute to disease resistance.

Disease resistance is an important concept in the medical field, as it helps to protect against infectious diseases and can reduce the risk of illness and death. Understanding how disease resistance works can help healthcare professionals develop effective strategies for preventing and treating infections, and it can also inform public health policies and interventions aimed at reducing the burden of infectious diseases on individuals and communities.

Multidrug-resistant TB (MDR-TB) can develop when a person with TB does not complete their full treatment course as prescribed by a healthcare provider, or if they do not take their medications correctly. It can also develop in people who have weakened immune systems or other underlying health conditions that make them more susceptible to the development of drug-resistant bacteria.

MDR-TB is a significant global public health concern because it is harder to treat and can spread more easily than drug-sensitive TB. Treatment for MDR-TB typically involves using stronger medications that are more effective against drug-resistant bacteria, such as fluoroquinolones or aminoglycosides. However, these medications can have more side effects and may be less effective in some cases.

Preventing the development of MDR-TB is crucial, and this can be achieved by ensuring that all patients with TB receive complete and correct treatment as prescribed by a healthcare provider. Additionally, screening for drug resistance before starting treatment can help identify patients who may have MDR-TB and ensure they receive appropriate treatment from the outset.

HIV (human immunodeficiency virus) infection is a condition in which the body is infected with HIV, a type of retrovirus that attacks the body's immune system. HIV infection can lead to AIDS (acquired immunodeficiency syndrome), a condition in which the immune system is severely damaged and the body is unable to fight off infections and diseases.

There are several ways that HIV can be transmitted, including:

1. Sexual contact with an infected person
2. Sharing of needles or other drug paraphernalia with an infected person
3. Mother-to-child transmission during pregnancy, childbirth, or breastfeeding
4. Blood transfusions ( although this is rare in developed countries due to screening processes)
5. Organ transplantation (again, rare)

The symptoms of HIV infection can be mild at first and may not appear until several years after infection. These symptoms can include:

1. Fever
2. Fatigue
3. Swollen glands in the neck, armpits, and groin
4. Rash
5. Muscle aches and joint pain
6. Night sweats
7. Diarrhea
8. Weight loss

If left untreated, HIV infection can progress to AIDS, which is a life-threatening condition that can cause a wide range of symptoms, including:

1. Opportunistic infections (such as pneumocystis pneumonia)
2. Cancer (such as Kaposi's sarcoma)
3. Wasting syndrome
4. Neurological problems (such as dementia and seizures)

HIV infection is diagnosed through a combination of blood tests and physical examination. Treatment typically involves antiretroviral therapy (ART), which is a combination of medications that work together to suppress the virus and slow the progression of the disease.

Prevention methods for HIV infection include:

1. Safe sex practices, such as using condoms and dental dams
2. Avoiding sharing needles or other drug-injecting equipment
3. Avoiding mother-to-child transmission during pregnancy, childbirth, or breastfeeding
4. Post-exposure prophylaxis (PEP), which is a short-term treatment that can prevent infection after potential exposure to the virus
5. Pre-exposure prophylaxis (PrEP), which is a daily medication that can prevent infection in people who are at high risk of being exposed to the virus.

It's important to note that HIV infection is manageable with proper treatment and care, and that people living with HIV can lead long and healthy lives. However, it's important to be aware of the risks and take steps to prevent transmission.

Falciparum malaria can cause a range of symptoms, including fever, chills, headache, muscle and joint pain, fatigue, nausea, and vomiting. In severe cases, the disease can lead to anemia, organ failure, and death.

Diagnosis of falciparum malaria typically involves a physical examination, medical history, and laboratory tests to detect the presence of parasites in the blood or other bodily fluids. Treatment usually involves the use of antimalarial drugs, such as artemisinin-based combination therapies (ACTs) or quinine, which can effectively cure the disease if administered promptly.

Prevention of falciparum malaria is critical to reducing the risk of infection, and this includes the use of insecticide-treated bed nets, indoor residual spraying (IRS), and preventive medications for travelers to high-risk areas. Eliminating standing water around homes and communities can also help reduce the number of mosquitoes and the spread of the disease.

In summary, falciparum malaria is a severe and life-threatening form of malaria caused by the Plasmodium falciparum parasite, which is responsible for the majority of malaria-related deaths worldwide. Prompt diagnosis and treatment are essential to prevent complications and death from this disease. Prevention measures include the use of bed nets, indoor spraying, and preventive medications, as well as reducing standing water around homes and communities.

Neoplasm refers to an abnormal growth of cells that can be benign (non-cancerous) or malignant (cancerous). Neoplasms can occur in any part of the body and can affect various organs and tissues. The term "neoplasm" is often used interchangeably with "tumor," but while all tumors are neoplasms, not all neoplasms are tumors.

Types of Neoplasms

There are many different types of neoplasms, including:

1. Carcinomas: These are malignant tumors that arise in the epithelial cells lining organs and glands. Examples include breast cancer, lung cancer, and colon cancer.
2. Sarcomas: These are malignant tumors that arise in connective tissue, such as bone, cartilage, and fat. Examples include osteosarcoma (bone cancer) and soft tissue sarcoma.
3. Lymphomas: These are cancers of the immune system, specifically affecting the lymph nodes and other lymphoid tissues. Examples include Hodgkin lymphoma and non-Hodgkin lymphoma.
4. Leukemias: These are cancers of the blood and bone marrow that affect the white blood cells. Examples include acute myeloid leukemia (AML) and chronic lymphocytic leukemia (CLL).
5. Melanomas: These are malignant tumors that arise in the pigment-producing cells called melanocytes. Examples include skin melanoma and eye melanoma.

Causes and Risk Factors of Neoplasms

The exact causes of neoplasms are not fully understood, but there are several known risk factors that can increase the likelihood of developing a neoplasm. These include:

1. Genetic predisposition: Some people may be born with genetic mutations that increase their risk of developing certain types of neoplasms.
2. Environmental factors: Exposure to certain environmental toxins, such as radiation and certain chemicals, can increase the risk of developing a neoplasm.
3. Infection: Some neoplasms are caused by viruses or bacteria. For example, human papillomavirus (HPV) is a common cause of cervical cancer.
4. Lifestyle factors: Factors such as smoking, excessive alcohol consumption, and a poor diet can increase the risk of developing certain types of neoplasms.
5. Family history: A person's risk of developing a neoplasm may be higher if they have a family history of the condition.

Signs and Symptoms of Neoplasms

The signs and symptoms of neoplasms can vary depending on the type of cancer and where it is located in the body. Some common signs and symptoms include:

1. Unusual lumps or swelling
2. Pain
3. Fatigue
4. Weight loss
5. Change in bowel or bladder habits
6. Unexplained bleeding
7. Coughing up blood
8. Hoarseness or a persistent cough
9. Changes in appetite or digestion
10. Skin changes, such as a new mole or a change in the size or color of an existing mole.

Diagnosis and Treatment of Neoplasms

The diagnosis of a neoplasm usually involves a combination of physical examination, imaging tests (such as X-rays, CT scans, or MRI scans), and biopsy. A biopsy involves removing a small sample of tissue from the suspected tumor and examining it under a microscope for cancer cells.

The treatment of neoplasms depends on the type, size, location, and stage of the cancer, as well as the patient's overall health. Some common treatments include:

1. Surgery: Removing the tumor and surrounding tissue can be an effective way to treat many types of cancer.
2. Chemotherapy: Using drugs to kill cancer cells can be effective for some types of cancer, especially if the cancer has spread to other parts of the body.
3. Radiation therapy: Using high-energy radiation to kill cancer cells can be effective for some types of cancer, especially if the cancer is located in a specific area of the body.
4. Immunotherapy: Boosting the body's immune system to fight cancer can be an effective treatment for some types of cancer.
5. Targeted therapy: Using drugs or other substances to target specific molecules on cancer cells can be an effective treatment for some types of cancer.

Prevention of Neoplasms

While it is not always possible to prevent neoplasms, there are several steps that can reduce the risk of developing cancer. These include:

1. Avoiding exposure to known carcinogens (such as tobacco smoke and radiation)
2. Maintaining a healthy diet and lifestyle
3. Getting regular exercise
4. Not smoking or using tobacco products
5. Limiting alcohol consumption
6. Getting vaccinated against certain viruses that are associated with cancer (such as human papillomavirus, or HPV)
7. Participating in screening programs for early detection of cancer (such as mammograms for breast cancer and colonoscopies for colon cancer)
8. Avoiding excessive exposure to sunlight and using protective measures such as sunscreen and hats to prevent skin cancer.

It's important to note that not all cancers can be prevented, and some may be caused by factors that are not yet understood or cannot be controlled. However, by taking these steps, individuals can reduce their risk of developing cancer and improve their overall health and well-being.

Pulmonary tuberculosis typically affects the lungs but can also spread to other parts of the body, such as the brain, kidneys, or spine. The symptoms of pulmonary TB include coughing for more than three weeks, chest pain, fatigue, fever, night sweats, and weight loss.

Pulmonary tuberculosis is diagnosed by a combination of physical examination, medical history, laboratory tests, and radiologic imaging, such as chest X-rays or computed tomography (CT) scans. Treatment for pulmonary TB usually involves a combination of antibiotics and medications to manage symptoms.

Preventive measures for pulmonary tuberculosis include screening for latent TB infection in high-risk populations, such as healthcare workers and individuals with HIV/AIDS, and vaccination with the bacillus Calmette-Guérin (BCG) vaccine in countries where it is available.

Overall, pulmonary tuberculosis is a serious and potentially life-threatening disease that requires prompt diagnosis and treatment to prevent complications and death.

There are two main forms of TB:

1. Active TB: This is the form of the disease where the bacteria are actively growing and causing symptoms such as coughing, fever, chest pain, and fatigue. Active TB can be contagious and can spread to others if not treated properly.
2. Latent TB: This is the form of the disease where the bacteria are present in the body but are not actively growing or causing symptoms. People with latent TB do not feel sick and are not contagious, but they can still become sick with active TB if their immune system is weakened.

TB is a major public health concern, especially in developing countries where access to healthcare may be limited. The disease is diagnosed through a combination of physical examination, medical imaging, and laboratory tests such as skin tests or blood tests. Treatment for TB typically involves a course of antibiotics, which can be effective in curing the disease if taken properly. However, drug-resistant forms of TB have emerged in some parts of the world, making treatment more challenging.

Preventive measures against TB include:

1. Vaccination with BCG (Bacille Calmette-Guérin) vaccine, which can provide some protection against severe forms of the disease but not against latent TB.
2. Avoiding close contact with people who have active TB, especially if they are coughing or sneezing.
3. Practicing good hygiene, such as covering one's mouth when coughing or sneezing and regularly washing hands.
4. Getting regular screenings for TB if you are in a high-risk group, such as healthcare workers or people with weakened immune systems.
5. Avoiding sharing personal items such as towels, utensils, or drinking glasses with people who have active TB.

Overall, while TB is a serious disease that can be challenging to treat and prevent, with the right measures in place, it is possible to reduce its impact on public health and improve outcomes for those affected by the disease.

There are several different types of malaria, including:

1. Plasmodium falciparum: This is the most severe form of malaria, and it can be fatal if left untreated. It is found in many parts of the world, including Africa, Asia, and Latin America.
2. Plasmodium vivax: This type of malaria is less severe than P. falciparum, but it can still cause serious complications if left untreated. It is found in many parts of the world, including Africa, Asia, and Latin America.
3. Plasmodium ovale: This type of malaria is similar to P. vivax, but it can cause more severe symptoms in some people. It is found primarily in West Africa.
4. Plasmodium malariae: This type of malaria is less common than the other three types, and it tends to cause milder symptoms. It is found primarily in parts of Africa and Asia.

The symptoms of malaria can vary depending on the type of parasite that is causing the infection, but they typically include:

1. Fever
2. Chills
3. Headache
4. Muscle and joint pain
5. Fatigue
6. Nausea and vomiting
7. Diarrhea
8. Anemia (low red blood cell count)

If malaria is not treated promptly, it can lead to more severe complications, such as:

1. Seizures
2. Coma
3. Respiratory failure
4. Kidney failure
5. Liver failure
6. Anemia (low red blood cell count)

Malaria is typically diagnosed through a combination of physical examination, medical history, and laboratory tests, such as blood smears or polymerase chain reaction (PCR) tests. Treatment for malaria typically involves the use of antimalarial drugs, such as chloroquine or artemisinin-based combination therapies. In severe cases, hospitalization may be necessary to manage complications and provide supportive care.

Prevention is an important aspect of managing malaria, and this can include:

1. Using insecticide-treated bed nets
2. Wearing protective clothing and applying insect repellent when outdoors
3. Eliminating standing water around homes and communities to reduce the number of mosquito breeding sites
4. Using indoor residual spraying (IRS) or insecticide-treated wall lining to kill mosquitoes
5. Implementing malaria control measures in areas where malaria is common, such as distribution of long-lasting insecticidal nets (LLINs) and indoor residual spraying (IRS)
6. Improving access to healthcare services, particularly in rural and remote areas
7. Providing education and awareness about malaria prevention and control
8. Encouraging the use of preventive medications, such as intermittent preventive treatment (IPT) for pregnant women and children under the age of five.

Early diagnosis and prompt treatment are critical in preventing the progression of malaria and reducing the risk of complications and death. In areas where malaria is common, it is essential to have access to reliable diagnostic tools and effective antimalarial drugs.

Symptoms of XDR TB are similar to those of drug-sensitive TB, such as coughing, fever, fatigue, weight loss, and chest pain. Diagnosis is made by collecting a sample from the patient's lungs or other affected areas and testing it for resistance to various drugs.

XDR TB can be prevented by improving access to TB care and treatment, particularly in resource-poor settings where TB is more prevalent. This includes ensuring that all patients with TB receive proper diagnosis and treatment, as well as taking measures to prevent the spread of the disease, such as screening for latent TB infection and quarantining individuals who are infected.

Early detection and prompt treatment of XDR TB are essential to prevent its spread and control the disease. Treatment typically involves a combination of medications and may take longer than standard treatment for drug-sensitive TB. In some cases, surgery may be necessary to remove infected tissue from the lungs or other affected areas.

Overall, extensively drug-resistant tuberculosis is a serious form of TB that requires careful management and monitoring to prevent its spread and ensure effective treatment.

There are different types of Breast Neoplasms such as:

1. Fibroadenomas: These are benign tumors that are made up of glandular and fibrous tissues. They are usually small and round, with a smooth surface, and can be moved easily under the skin.

2. Cysts: These are fluid-filled sacs that can develop in both breast tissue and milk ducts. They are usually benign and can disappear on their own or be drained surgically.

3. Ductal Carcinoma In Situ (DCIS): This is a precancerous condition where abnormal cells grow inside the milk ducts. If left untreated, it can progress to invasive breast cancer.

4. Invasive Ductal Carcinoma (IDC): This is the most common type of breast cancer and starts in the milk ducts but grows out of them and invades surrounding tissue.

5. Invasive Lobular Carcinoma (ILC): It originates in the milk-producing glands (lobules) and grows out of them, invading nearby tissue.

Breast Neoplasms can cause various symptoms such as a lump or thickening in the breast or underarm area, skin changes like redness or dimpling, change in size or shape of one or both breasts, discharge from the nipple, and changes in the texture or color of the skin.

Treatment options for Breast Neoplasms may include surgery such as lumpectomy, mastectomy, or breast-conserving surgery, radiation therapy which uses high-energy beams to kill cancer cells, chemotherapy using drugs to kill cancer cells, targeted therapy which uses drugs or other substances to identify and attack cancer cells while minimizing harm to normal cells, hormone therapy, immunotherapy, and clinical trials.

It is important to note that not all Breast Neoplasms are cancerous; some are benign (non-cancerous) tumors that do not spread or grow.

Benign ovarian neoplasms include:

1. Serous cystadenoma: A fluid-filled sac that develops on the surface of the ovary.
2. Mucinous cystadenoma: A tumor that is filled with mucin, a type of protein.
3. Endometrioid tumors: Tumors that are similar to endometrial tissue (the lining of the uterus).
4. Theca cell tumors: Tumors that develop in the supportive tissue of the ovary called theca cells.

Malignant ovarian neoplasms include:

1. Epithelial ovarian cancer (EOC): The most common type of ovarian cancer, which arises from the surface epithelium of the ovary.
2. Germ cell tumors: Tumors that develop from germ cells, which are the cells that give rise to eggs.
3. Stromal sarcomas: Tumors that develop in the supportive tissue of the ovary.

Ovarian neoplasms can cause symptoms such as pelvic pain, abnormal bleeding, and abdominal swelling. They can also be detected through pelvic examination, imaging tests such as ultrasound and CT scan, and biopsy. Treatment options for ovarian neoplasms depend on the type, stage, and location of the tumor, and may include surgery, chemotherapy, and radiation therapy.

There are several different types of obesity, including:

1. Central obesity: This type of obesity is characterized by excess fat around the waistline, which can increase the risk of health problems such as type 2 diabetes and cardiovascular disease.
2. Peripheral obesity: This type of obesity is characterized by excess fat in the hips, thighs, and arms.
3. Visceral obesity: This type of obesity is characterized by excess fat around the internal organs in the abdominal cavity.
4. Mixed obesity: This type of obesity is characterized by both central and peripheral obesity.

Obesity can be caused by a variety of factors, including genetics, lack of physical activity, poor diet, sleep deprivation, and certain medications. Treatment for obesity typically involves a combination of lifestyle changes, such as increased physical activity and a healthy diet, and in some cases, medication or surgery may be necessary to achieve weight loss.

Preventing obesity is important for overall health and well-being, and can be achieved through a variety of strategies, including:

1. Eating a healthy, balanced diet that is low in added sugars, saturated fats, and refined carbohydrates.
2. Engaging in regular physical activity, such as walking, jogging, or swimming.
3. Getting enough sleep each night.
4. Managing stress levels through relaxation techniques, such as meditation or deep breathing.
5. Avoiding excessive alcohol consumption and quitting smoking.
6. Monitoring weight and body mass index (BMI) on a regular basis to identify any changes or potential health risks.
7. Seeking professional help from a healthcare provider or registered dietitian for personalized guidance on weight management and healthy lifestyle choices.

Multiple myeloma is the second most common type of hematologic cancer after non-Hodgkin's lymphoma, accounting for approximately 1% of all cancer deaths worldwide. It is more common in older adults, with most patients being diagnosed over the age of 65.

The exact cause of multiple myeloma is not known, but it is believed to be linked to genetic mutations that occur in the plasma cells. There are several risk factors that have been associated with an increased risk of developing multiple myeloma, including:

1. Family history: Having a family history of multiple myeloma or other plasma cell disorders increases the risk of developing the disease.
2. Age: The risk of developing multiple myeloma increases with age, with most patients being diagnosed over the age of 65.
3. Race: African Americans are at higher risk of developing multiple myeloma than other races.
4. Obesity: Being overweight or obese may increase the risk of developing multiple myeloma.
5. Exposure to certain chemicals: Exposure to certain chemicals such as pesticides, solvents, and heavy metals has been linked to an increased risk of developing multiple myeloma.

The symptoms of multiple myeloma can vary depending on the severity of the disease and the organs affected. Common symptoms include:

1. Bone pain: Pain in the bones, particularly in the spine, ribs, or long bones, is a common symptom of multiple myeloma.
2. Fatigue: Feeling tired or weak is another common symptom of the disease.
3. Infections: Patients with multiple myeloma may be more susceptible to infections due to the impaired functioning of their immune system.
4. Bone fractures: Weakened bones can lead to an increased risk of fractures, particularly in the spine, hips, or ribs.
5. Kidney problems: Multiple myeloma can cause damage to the kidneys, leading to problems such as kidney failure or proteinuria (excess protein in the urine).
6. Anemia: A low red blood cell count can cause anemia, which can lead to fatigue, weakness, and shortness of breath.
7. Increased calcium levels: High levels of calcium in the blood can cause symptoms such as nausea, vomiting, constipation, and confusion.
8. Neurological problems: Multiple myeloma can cause neurological problems such as headaches, numbness or tingling in the arms and legs, and difficulty with coordination and balance.

The diagnosis of multiple myeloma typically involves a combination of physical examination, medical history, and laboratory tests. These may include:

1. Complete blood count (CBC): A CBC can help identify abnormalities in the numbers and characteristics of different types of blood cells, including red blood cells, white blood cells, and platelets.
2. Serum protein electrophoresis (SPEP): This test measures the levels of different proteins in the blood, including immunoglobulins (antibodies) and abnormal proteins produced by myeloma cells.
3. Urine protein electrophoresis (UPEP): This test measures the levels of different proteins in the urine.
4. Immunofixation: This test is used to identify the type of antibody produced by myeloma cells and to rule out other conditions that may cause similar symptoms.
5. Bone marrow biopsy: A bone marrow biopsy involves removing a sample of tissue from the bone marrow for examination under a microscope. This can help confirm the diagnosis of multiple myeloma and determine the extent of the disease.
6. Imaging tests: Imaging tests such as X-rays, CT scans, or MRI scans may be used to assess the extent of bone damage or other complications of multiple myeloma.
7. Genetic testing: Genetic testing may be used to identify specific genetic abnormalities that are associated with multiple myeloma and to monitor the response of the disease to treatment.

It's important to note that not all patients with MGUS or smoldering myeloma will develop multiple myeloma, and some patients with multiple myeloma may not have any symptoms at all. However, if you are experiencing any of the symptoms listed above or have a family history of multiple myeloma, it's important to talk to your doctor about your risk and any tests that may be appropriate for you.

Here are some common types of E. coli infections:

1. Urinary tract infections (UTIs): E. coli is a leading cause of UTIs, which occur when bacteria enter the urinary tract and cause inflammation. Symptoms include frequent urination, burning during urination, and cloudy or strong-smelling urine.
2. Diarrheal infections: E. coli can cause diarrhea, abdominal cramps, and fever if consumed through contaminated food or water. In severe cases, this type of infection can lead to dehydration and even death, particularly in young children and the elderly.
3. Septicemia (bloodstream infections): If E. coli bacteria enter the bloodstream, they can cause septicemia, a life-threatening condition that requires immediate medical attention. Symptoms include fever, chills, rapid heart rate, and low blood pressure.
4. Meningitis: In rare cases, E. coli infections can spread to the meninges, the protective membranes covering the brain and spinal cord, causing meningitis. This is a serious condition that requires prompt treatment with antibiotics and supportive care.
5. Hemolytic-uremic syndrome (HUS): E. coli infections can sometimes cause HUS, a condition where the bacteria destroy red blood cells, leading to anemia, kidney failure, and other complications. HUS is most common in young children and can be fatal if not treated promptly.

Preventing E. coli infections primarily involves practicing good hygiene, such as washing hands regularly, especially after using the bathroom or before handling food. It's also essential to cook meat thoroughly, especially ground beef, to avoid cross-contamination with other foods. Avoiding unpasteurized dairy products and drinking contaminated water can also help prevent E. coli infections.

If you suspect an E. coli infection, seek medical attention immediately. Your healthcare provider may perform a urine test or a stool culture to confirm the diagnosis and determine the appropriate treatment. In mild cases, symptoms may resolve on their own within a few days, but antibiotics may be necessary for more severe infections. It's essential to stay hydrated and follow your healthcare provider's recommendations to ensure a full recovery.

There are several types of lung neoplasms, including:

1. Adenocarcinoma: This is the most common type of lung cancer, accounting for approximately 40% of all lung cancers. It is a malignant tumor that originates in the glands of the respiratory tract and can be found in any part of the lung.
2. Squamous cell carcinoma: This type of lung cancer accounts for approximately 25% of all lung cancers and is more common in men than women. It is a malignant tumor that originates in the squamous cells lining the airways of the lungs.
3. Small cell lung cancer (SCLC): This is a highly aggressive form of lung cancer that accounts for approximately 15% of all lung cancers. It is often found in the central parts of the lungs and can spread quickly to other parts of the body.
4. Large cell carcinoma: This is a rare type of lung cancer that accounts for only about 5% of all lung cancers. It is a malignant tumor that originates in the large cells of the respiratory tract and can be found in any part of the lung.
5. Bronchioalveolar carcinoma (BAC): This is a rare type of lung cancer that originates in the cells lining the airways and alveoli of the lungs. It is more common in women than men and tends to affect older individuals.
6. Lymphangioleiomyomatosis (LAM): This is a rare, progressive, and often fatal lung disease that primarily affects women of childbearing age. It is characterized by the growth of smooth muscle-like cells in the lungs and can lead to cysts, lung collapse, and respiratory failure.
7. Hamartoma: This is a benign tumor that originates in the tissue of the lungs and is usually found in children. It is characterized by an overgrowth of normal lung tissue and can be treated with surgery.
8. Secondary lung cancer: This type of cancer occurs when cancer cells from another part of the body spread to the lungs through the bloodstream or lymphatic system. It is more common in people who have a history of smoking or exposure to other carcinogens.
9. Metastatic cancer: This type of cancer occurs when cancer cells from another part of the body spread to the lungs through the bloodstream or lymphatic system. It is more common in people who have a history of smoking or exposure to other carcinogens.
10. Mesothelioma: This is a rare and aggressive form of cancer that originates in the lining of the lungs or abdomen. It is caused by asbestos exposure and can be treated with surgery, chemotherapy, and radiation therapy.

Lung diseases can also be classified based on their cause, such as:

1. Infectious diseases: These are caused by bacteria, viruses, or other microorganisms and can include pneumonia, tuberculosis, and bronchitis.
2. Autoimmune diseases: These are caused by an overactive immune system and can include conditions such as sarcoidosis and idiopathic pulmonary fibrosis.
3. Genetic diseases: These are caused by inherited mutations in genes that affect the lungs and can include cystic fibrosis and primary ciliary dyskinesia.
4. Environmental diseases: These are caused by exposure to harmful substances such as tobacco smoke, air pollution, and asbestos.
5. Radiological diseases: These are caused by exposure to ionizing radiation and can include conditions such as radiographic breast cancer and lung cancer.
6. Vascular diseases: These are caused by problems with the blood vessels in the lungs and can include conditions such as pulmonary embolism and pulmonary hypertension.
7. Tumors: These can be benign or malignant and can include conditions such as lung metastases and lung cancer.
8. Trauma: This can include injuries to the chest or lungs caused by accidents or other forms of trauma.
9. Congenital diseases: These are present at birth and can include conditions such as bronchopulmonary foregut malformations and congenital cystic adenomatoid malformation.

Each type of lung disease has its own set of symptoms, diagnosis, and treatment options. It is important to seek medical attention if you experience any persistent or severe respiratory symptoms, as early diagnosis and treatment can improve outcomes and quality of life.

Staphylococcal infections can be classified into two categories:

1. Methicillin-Resistant Staphylococcus Aureus (MRSA) - This type of infection is resistant to many antibiotics and can cause severe skin infections, pneumonia, bloodstream infections and surgical site infections.

2. Methicillin-Sensitive Staphylococcus Aureus (MSSA) - This type of infection is not resistant to antibiotics and can cause milder skin infections, respiratory tract infections, sinusitis and food poisoning.

Staphylococcal infections are caused by the Staphylococcus bacteria which can enter the body through various means such as:

1. Skin cuts or open wounds
2. Respiratory tract infections
3. Contaminated food and water
4. Healthcare-associated infections
5. Surgical site infections

Symptoms of Staphylococcal infections may vary depending on the type of infection and severity, but they can include:

1. Skin redness and swelling
2. Increased pain or tenderness
3. Warmth or redness in the affected area
4. Pus or discharge
5. Fever and chills
6. Swollen lymph nodes
7. Shortness of breath

Diagnosis of Staphylococcal infections is based on physical examination, medical history, laboratory tests such as blood cultures, and imaging studies such as X-rays or CT scans.

Treatment of Staphylococcal infections depends on the type of infection and severity, but may include:

1. Antibiotics to fight the infection
2. Drainage of abscesses or pus collection
3. Wound care and debridement
4. Supportive care such as intravenous fluids, oxygen therapy, and pain management
5. Surgical intervention in severe cases.

Preventive measures for Staphylococcal infections include:

1. Good hand hygiene practices
2. Proper cleaning and disinfection of surfaces and equipment
3. Avoiding close contact with people who have Staphylococcal infections
4. Covering wounds and open sores
5. Proper sterilization and disinfection of medical equipment.

It is important to note that MRSA (methicillin-resistant Staphylococcus aureus) is a type of Staphylococcal infection that is resistant to many antibiotics, and can be difficult to treat. Therefore, early diagnosis and aggressive treatment are crucial to prevent complications and improve outcomes.

Some common examples of bacterial infections include:

1. Urinary tract infections (UTIs)
2. Respiratory infections such as pneumonia and bronchitis
3. Skin infections such as cellulitis and abscesses
4. Bone and joint infections such as osteomyelitis
5. Infected wounds or burns
6. Sexually transmitted infections (STIs) such as chlamydia and gonorrhea
7. Food poisoning caused by bacteria such as salmonella and E. coli.

In severe cases, bacterial infections can lead to life-threatening complications such as sepsis or blood poisoning. It is important to seek medical attention if symptoms persist or worsen over time. Proper diagnosis and treatment can help prevent these complications and ensure a full recovery.

1) They share similarities with humans: Many animal species share similar biological and physiological characteristics with humans, making them useful for studying human diseases. For example, mice and rats are often used to study diseases such as diabetes, heart disease, and cancer because they have similar metabolic and cardiovascular systems to humans.

2) They can be genetically manipulated: Animal disease models can be genetically engineered to develop specific diseases or to model human genetic disorders. This allows researchers to study the progression of the disease and test potential treatments in a controlled environment.

3) They can be used to test drugs and therapies: Before new drugs or therapies are tested in humans, they are often first tested in animal models of disease. This allows researchers to assess the safety and efficacy of the treatment before moving on to human clinical trials.

4) They can provide insights into disease mechanisms: Studying disease models in animals can provide valuable insights into the underlying mechanisms of a particular disease. This information can then be used to develop new treatments or improve existing ones.

5) Reduces the need for human testing: Using animal disease models reduces the need for human testing, which can be time-consuming, expensive, and ethically challenging. However, it is important to note that animal models are not perfect substitutes for human subjects, and results obtained from animal studies may not always translate to humans.

6) They can be used to study infectious diseases: Animal disease models can be used to study infectious diseases such as HIV, TB, and malaria. These models allow researchers to understand how the disease is transmitted, how it progresses, and how it responds to treatment.

7) They can be used to study complex diseases: Animal disease models can be used to study complex diseases such as cancer, diabetes, and heart disease. These models allow researchers to understand the underlying mechanisms of the disease and test potential treatments.

8) They are cost-effective: Animal disease models are often less expensive than human clinical trials, making them a cost-effective way to conduct research.

9) They can be used to study drug delivery: Animal disease models can be used to study drug delivery and pharmacokinetics, which is important for developing new drugs and drug delivery systems.

10) They can be used to study aging: Animal disease models can be used to study the aging process and age-related diseases such as Alzheimer's and Parkinson's. This allows researchers to understand how aging contributes to disease and develop potential treatments.

In medicine, cross-infection refers to the transmission of an infectious agent from one individual or source to another, often through direct contact or indirect exposure. This type of transmission can occur in various settings, such as hospitals, clinics, and long-term care facilities, where patients with compromised immune systems are more susceptible to infection.

Cross-infection can occur through a variety of means, including:

1. Person-to-person contact: Direct contact with an infected individual, such as touching, hugging, or shaking hands.
2. Contaminated surfaces and objects: Touching contaminated surfaces or objects that have been touched by an infected individual, such as doorknobs, furniture, or medical equipment.
3. Airborne transmission: Inhaling droplets or aerosolized particles that contain the infectious agent, such as during coughing or sneezing.
4. Contaminated food and water: Consuming food or drinks that have been handled by an infected individual or contaminated with the infectious agent.
5. Insect vectors: Mosquitoes, ticks, or other insects can transmit infections through their bites.

Cross-infection is a significant concern in healthcare settings, as it can lead to outbreaks of nosocomial infections (infections acquired in hospitals) and can spread rapidly among patients, healthcare workers, and visitors. To prevent cross-infection, healthcare providers use strict infection control measures, such as wearing personal protective equipment (PPE), thoroughly cleaning and disinfecting surfaces, and implementing isolation precautions for infected individuals.

In summary, cross-infection refers to the transmission of an infectious agent from one individual or source to another, often through direct contact or indirect exposure in healthcare settings. Preventing cross-infection is essential to maintaining a safe and healthy environment for patients, healthcare workers, and visitors.

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Some common examples of gram-positive bacterial infections include:

1. Staphylococcus aureus (MRSA) infections: These are infections caused by methicillin-resistant Staphylococcus aureus, which is a type of gram-positive bacteria that is resistant to many antibiotics.
2. Streptococcal infections: These are infections caused by streptococcus bacteria, such as strep throat and cellulitis.
3. Pneumococcal infections: These are infections caused by pneumococcus bacteria, such as pneumonia.
4. Enterococcal infections: These are infections caused by enterococcus bacteria, such as urinary tract infections and endocarditis.
5. Candidiasis: This is a type of fungal infection caused by candida, which is a type of gram-positive fungus.

Gram-positive bacterial infections can be treated with antibiotics, such as penicillin and ampicillin, but the increasing prevalence of antibiotic resistance has made the treatment of these infections more challenging. In some cases, gram-positive bacterial infections may require more aggressive treatment, such as combination therapy with multiple antibiotics or the use of antifungal medications.

Overall, gram-positive bacterial infections can be serious and potentially life-threatening, so it is important to seek medical attention if symptoms persist or worsen over time.

Types of candidiasis:

1. Vulvovaginal candidiasis (VVC): a common infection that affects the vagina and vulva; symptoms include itching, burning, and abnormal discharge.
2. Oral thrush (OT): an infection that affects the mouth, often seen in infants and people with weakened immune systems; symptoms include white patches on the tongue and inside the cheeks.
3. Invasive candidiasis (IC): a severe infection that can spread throughout the body, often seen in people with weakened immune systems, such as those with HIV/AIDS or undergoing chemotherapy; symptoms include fever, chills, and difficulty breathing.
4. Candidal balanitis: an infection of the foreskin and glans of the penis; symptoms include redness, swelling, and pain.
5. Diaper rash: a common skin infection that affects infants who wear diapers; symptoms include redness, swelling, and irritability.

Causes and risk factors:

1. Overgrowth of Candida fungus due to an imbalance of the normal flora.
2. Use of antibiotics or steroids that can disrupt the balance of the body's natural flora.
3. Weakened immune system, such as in people with HIV/AIDS or undergoing chemotherapy.
4. Poor hygiene and sanitation.
5. Diabetes mellitus.
6. Pregnancy.
7. Obesity.

Diagnosis:

1. Physical examination and medical history.
2. Microscopic examination of a scraping or biopsy specimen.
3. Cultures of skin, blood, or other body fluids.
4. Polymerase chain reaction (PCR) or other molecular diagnostic techniques to detect the presence of the fungus.

Treatment:

1. Topical antifungal medications, such as clotrimazole, miconazole, or terbinafine, applied directly to the affected area.
2. Oral antifungal medications, such as fluconazole or itraconazole, for more severe infections or those that do not respond to topical treatment.
3. Antibiotics if there is a secondary bacterial infection.
4. Supportive care, such as pain management and wound care.
5. Proper hygiene and sanitation practices.
6. In severe cases, hospitalization may be necessary for intravenous antifungal medications and close monitoring.

Prevention:

1. Practice good hygiene and sanitation.
2. Avoid sharing personal items, such as towels or clothing.
3. Wash hands before touching the affected area.
4. Keep the affected area clean and dry.
5. Use of antifungal powders or sprays on the affected area.
6. Avoid using harsh soaps or cleansers that can irritate the skin.
7. Wear shoes in public areas to prevent exposure to fungal spores.
8. Avoid sharing bathing or showering facilities with others.
9. Dry thoroughly after bathing or swimming.
10. Use of antifungal medications as a prophylactic measure in high-risk individuals, such as those with weakened immune systems.

It's important to note that the best treatment and prevention strategies will depend on the specific type of fungus causing the infection, as well as the severity and location of the infection. It is essential to consult a healthcare professional for proper diagnosis and treatment.

Prevention of Salmonella Infections includes proper food handling and storage practices, such as cooking foods to the correct temperature, storing foods at the right refrigerator temperature, and washing hands frequently. Vaccines are also available for people who are at high risk of developing severe Salmonella infections.

Complications of a Salmonella Infection can include dehydration, bacteremia (the presence of bacteria in the bloodstream), and meningitis (inflammation of the lining around the brain and spinal cord). In rare cases, a Salmonella infection can lead to long-term health problems such as irritable bowel syndrome or reactive arthritis.

Overall, prompt treatment and proper prevention measures are important for reducing the risk of complications from a Salmonella infection.

Type 2 diabetes can be managed through a combination of diet, exercise, and medication. In some cases, lifestyle changes may be enough to control blood sugar levels, while in other cases, medication or insulin therapy may be necessary. Regular monitoring of blood sugar levels and follow-up with a healthcare provider are important for managing the condition and preventing complications.

Common symptoms of type 2 diabetes include:

* Increased thirst and urination
* Fatigue
* Blurred vision
* Cuts or bruises that are slow to heal
* Tingling or numbness in the hands and feet
* Recurring skin, gum, or bladder infections

If left untreated, type 2 diabetes can lead to a range of complications, including:

* Heart disease and stroke
* Kidney damage and failure
* Nerve damage and pain
* Eye damage and blindness
* Foot damage and amputation

The exact cause of type 2 diabetes is not known, but it is believed to be linked to a combination of genetic and lifestyle factors, such as:

* Obesity and excess body weight
* Lack of physical activity
* Poor diet and nutrition
* Age and family history
* Certain ethnicities (e.g., African American, Hispanic/Latino, Native American)
* History of gestational diabetes or delivering a baby over 9 lbs.

There is no cure for type 2 diabetes, but it can be managed and controlled through a combination of lifestyle changes and medication. With proper treatment and self-care, people with type 2 diabetes can lead long, healthy lives.

Gram-negative bacterial infections can be difficult to treat because these bacteria are resistant to many antibiotics. In addition, some gram-negative bacteria produce enzymes called beta-lactamases, which break down the penicillin ring of many antibiotics, making them ineffective against the infection.

Some common types of gram-negative bacterial infections include:

* Pneumonia
* Urinary tract infections (UTIs)
* Bloodstream infections (sepsis)
* Meningitis
* Skin and soft tissue infections
* Respiratory infections, such as bronchitis and sinusitis

Examples of gram-negative bacteria that can cause infection include:

* Escherichia coli (E. coli)
* Klebsiella pneumoniae
* Pseudomonas aeruginosa
* Acinetobacter baumannii
* Proteus mirabilis

Gram-negative bacterial infections can be diagnosed through a variety of tests, including blood cultures, urine cultures, and tissue samples. Treatment typically involves the use of broad-spectrum antibiotics, such as carbapenems or cephalosporins, which are effective against many types of gram-negative bacteria. In some cases, the infection may require hospitalization and intensive care to manage complications such as sepsis or organ failure.

Prevention of gram-negative bacterial infections includes good hand hygiene, proper use of personal protective equipment (PPE), and appropriate use of antibiotics. In healthcare settings, infection control measures such as sterilization and disinfection of equipment, and isolation precautions for patients with known gram-negative bacterial infections can help prevent the spread of these infections.

Overall, gram-negative bacterial infections are a significant public health concern, and proper diagnosis and treatment are essential to prevent complications and reduce the risk of transmission.

Pre-B ALL is characterized by the abnormal growth of immature white blood cells called B lymphocytes. These cells are produced in the bone marrow and are normally present in the blood. In Pre-B ALL, the abnormal B cells accumulate in the bone marrow, blood, and other organs, crowding out normal cells and causing a variety of symptoms.

The symptoms of Pre-B ALL can vary depending on the individual patient, but may include:

* Fatigue
* Easy bruising or bleeding
* Frequent infections
* Swollen lymph nodes
* Enlarged liver or spleen
* Bone pain
* Headaches
* Confusion or seizures (in severe cases)

Pre-B ALL is most commonly diagnosed in children, but it can also occur in adults. Treatment typically involves a combination of chemotherapy and sometimes bone marrow transplantation. The prognosis for Pre-B ALL is generally good, especially in children, with a high survival rate if treated promptly and effectively. However, the cancer can be more difficult to treat in adults, and the prognosis may be less favorable.

Overall, Pre-B ALL is a rare and aggressive form of leukemia that requires prompt and specialized treatment to improve outcomes for patients.

There are many different types of helminths that can infect animals, including:

* Roundworms (Toxocara canis, Toxocara cati)
* Hookworms (Ancylostoma caninum, Ancylostoma braziliense)
* Whipworms (Trichuris vulpis)
* Tapeworms (Taenia pisiformis, Taenia serialis)
* Liver flukes (Fasciola hepatica)
* Intestinal flukes (Fasciola gigantica)

Animals can become infected with helminths through a variety of means, including:

* Ingestion of contaminated food or water
* Contact with infected animals or their feces
* Insect vectors, such as mosquitoes or fleas

The symptoms of helminthiasis can vary depending on the type of worm and the severity of the infection. Some common symptoms include:

* Diarrhea
* Vomiting
* Abdominal pain
* Weight loss
* Anemia
* Inflammation of various organs, such as the liver or kidneys

In severe cases, helminthiasis can lead to more serious complications, such as intestinal blockages or abscesses.

Diagnosis of helminthiasis typically involves a combination of physical examination, laboratory tests, and imaging studies. Treatment usually involves the use of antiparasitic drugs to kill the worms, and may also include supportive care to manage symptoms and prevent complications.

Prevention of helminthiasis is important for both animal and human health, and can be achieved through a variety of measures, including:

* Regular deworming of animals
* Proper disposal of animal feces
* Safe handling and cooking of food
* Avoiding contact with contaminated water or soil
* Using insecticides to control vectors, such as mosquitoes and fleas.

The term "Salmonella Infections, Animal" is used to distinguish these infections from Salmonella infections that are caused by contaminated food or water, which are referred to as "Salmonella Infections, Human."

APC resistance can be caused by genetic or acquired factors and can lead to a range of clinical presentations, including:

1. Hereditary bleeding disorders: Familial APC resistance is caused by mutations in the APC gene and can result in severe bleeding, especially during childhood.
2. Acquired APC resistance: This can occur due to certain medical conditions, such as liver disease, sepsis, or cancer, which can impair APC function.
3. Drug-induced APC resistance: Certain medications, like anticoagulants, can reduce APC activity and lead to APC resistance.

Diagnosis of APC resistance typically involves testing for APC activity in the blood, as well as genetic analysis to identify mutations in the APC gene. Treatment options for APC resistance depend on the underlying cause and may include:

1. Fresh frozen plasma (FFP): FFP can be used to replace missing or deficient APC in the blood.
2. Recombinant APC: This is a synthetic version of APC that can be used to replace missing or deficient APC.
3. Anticoagulants: These medications can help prevent blood clots and reduce the risk of thrombotic events.
4. Platelet inhibitors: These medications can help prevent platelet aggregation, which can contribute to bleeding.

Overall, APC resistance is a rare but important condition that can affect blood coagulation and increase the risk of bleeding or thrombotic events. Prompt diagnosis and appropriate treatment are essential to manage the condition effectively and prevent complications.

Types of Pneumococcal Infections:

1. Pneumonia: This is an infection of the lungs that can cause fever, cough, chest pain, and difficulty breathing.
2. Meningitis: This is an infection of the membranes that cover the brain and spinal cord, which can cause fever, headache, stiff neck, and confusion.
3. Septicemia (bloodstream infection): This is an infection of the blood that can cause fever, chills, and low blood pressure.
4. Sinusitis: This is an infection of the sinuses, which can cause headache, facial pain, and difficulty breathing through the nose.
5. Otitis media (middle ear infection): This is an infection of the middle ear, which can cause ear pain, fever, and hearing loss.

Causes and Risk Factors:

Pneumococcal infections are caused by the bacteria Streptococcus pneumoniae. These bacteria can be spread through close contact with an infected person, such as touching or sharing food and drinks. People who are at high risk for developing pneumococcal infections include:

1. Children under the age of 5 and adults over the age of 65.
2. People with weakened immune systems, such as those with cancer, HIV/AIDS, or taking medications that suppress the immune system.
3. Smokers and people with chronic respiratory diseases, such as asthma or chronic obstructive pulmonary disease (COPD).
4. People who have recently had surgery or have a severe injury.
5. Those who live in long-term care facilities or have limited access to healthcare.

Prevention and Treatment:

Preventing pneumococcal infections is important, especially for high-risk individuals. Here are some ways to prevent and treat pneumococcal infections:

1. Vaccination: The pneumococcal conjugate vaccine (PCV) is recommended for children under the age of 5 and adults over the age of 65, as well as for people with certain medical conditions.
2. Hand washing: Frequent hand washing can help prevent the spread of pneumococcal bacteria.
3. Good hygiene: Avoiding close contact with people who are sick and regularly cleaning surfaces that may be contaminated with bacteria can also help prevent infection.
4. Antibiotics: Pneumococcal infections can be treated with antibiotics, but overuse of antibiotics can lead to the development of antibiotic-resistant bacteria. Therefore, antibiotics should only be used when necessary and under the guidance of a healthcare professional.
5. Supportive care: Those with severe pneumococcal infections may require hospitalization and supportive care, such as oxygen therapy or mechanical ventilation.

Conclusion:

Pneumococcal infections can be serious and even life-threatening, especially for high-risk individuals. Prevention and prompt treatment are key to reducing the risk of complications and improving outcomes. Vaccination, good hygiene practices, and appropriate antibiotic use are all important in preventing and treating pneumococcal infections. If you suspect that you or a loved one has a pneumococcal infection, it is essential to seek medical attention right away. With proper care and support, many people with pneumococcal infections can recover fully and resume their normal lives.

Some common types of Acinetobacter infections include:

1. Pneumonia: This is an infection of the lungs that can cause fever, cough, chest pain, and difficulty breathing.
2. Urinary tract infections (UTIs): These are infections of the bladder, kidneys, or ureters that can cause symptoms such as burning during urination, frequent urination, and abdominal pain.
3. Bloodstream infections (sepsis): This is a serious and potentially life-threatening condition that occurs when bacteria enter the bloodstream and cause widespread inflammation. Symptoms can include fever, chills, rapid heart rate, and shortness of breath.
4. Skin and soft tissue infections: These are infections of the skin and underlying tissues that can cause redness, swelling, warmth, and pain.
5. Bacteremia: This is a condition in which bacteria enter the bloodstream and cause an infection.
6. Endocarditis: This is an infection of the heart valves, which can cause symptoms such as fever, fatigue, and shortness of breath.

Acinetobacter infections are often caused by the bacteria entering the body through a wound or surgical incision. They can also be spread through contact with contaminated surfaces or equipment in healthcare settings.

Treatment of Acinetobacter infections typically involves the use of antibiotics, which may be administered intravenously or orally. In some cases, surgical intervention may be necessary to remove infected tissue or repair damaged organs.

Prevention of Acinetobacter infections is important for reducing the risk of these infections occurring in healthcare settings. This can include proper hand hygiene, use of personal protective equipment (PPE), and effective cleaning and disinfection of surfaces and equipment.

Overall, Acinetobacter infections are a significant concern in healthcare settings, and prompt recognition and treatment are critical for preventing serious complications and improving patient outcomes.

The BCR-ABL gene is a fusion gene that is present in the majority of cases of CML. It is created by the translocation of two genes, called BCR and ABL, which leads to the production of a constitutively active tyrosine kinase protein that promotes the growth and proliferation of abnormal white blood cells.

There are three main phases of CML, each with distinct clinical and laboratory features:

1. Chronic phase: This is the earliest phase of CML, where patients may be asymptomatic or have mild symptoms such as fatigue, night sweats, and splenomegaly (enlargement of the spleen). The peripheral blood count typically shows a high number of blasts in the blood, but the bone marrow is still functional.
2. Accelerated phase: In this phase, the disease progresses to a higher number of blasts in the blood and bone marrow, with evidence of more aggressive disease. Patients may experience symptoms such as fever, weight loss, and pain in the joints or abdomen.
3. Blast phase: This is the most advanced phase of CML, where there is a high number of blasts in the blood and bone marrow, with significant loss of function of the bone marrow. Patients are often symptomatic and may have evidence of spread of the disease to other organs, such as the liver or spleen.

Treatment for CML typically involves targeted therapy with drugs that inhibit the activity of the BCR-ABL protein, such as imatinib (Gleevec), dasatinib (Sprycel), or nilotinib (Tasigna). These drugs can slow or stop the progression of the disease, and may also produce a complete cytogenetic response, which is defined as the absence of all Ph+ metaphases in the bone marrow. However, these drugs are not curative and may have significant side effects. Allogenic hematopoietic stem cell transplantation (HSCT) is also a potential treatment option for CML, but it carries significant risks and is usually reserved for patients who are in the blast phase of the disease or have failed other treatments.

In summary, the clinical course of CML can be divided into three phases based on the number of blasts in the blood and bone marrow, and treatment options vary depending on the phase of the disease. It is important for patients with CML to receive regular monitoring and follow-up care to assess their response to treatment and detect any signs of disease progression.

In hyperinsulinism, the body produces too much insulin, leading to a range of symptoms including:

1. Hypoglycemia (low blood sugar): Excessive insulin can cause blood sugar levels to drop too low, leading to hypoglycemic symptoms such as shakiness, dizziness, confusion, and rapid heartbeat.
2. Weight gain: Hyperinsulinism can lead to weight gain due to the body's inability to effectively use glucose for energy production.
3. Fatigue: Excessive insulin can cause fatigue, as the body's cells are not able to effectively use glucose for energy production.
4. Mood changes: Hyperinsulinism can lead to mood changes such as irritability, anxiety, and depression.
5. Polycystic ovary syndrome (PCOS): Women with PCOS are at a higher risk of developing hyperinsulinism due to insulin resistance.
6. Gestational diabetes: Hyperinsulinism can occur during pregnancy, leading to gestational diabetes.
7. Acanthosis nigricans: A condition characterized by dark, velvety patches on the skin, often found in the armpits, neck, and groin area.
8. Cancer: Hyperinsulinism has been linked to an increased risk of certain types of cancer, such as breast, colon, and pancreatic cancer.
9. Cardiovascular disease: Excessive insulin can increase the risk of cardiovascular disease, including high blood pressure, heart disease, and stroke.
10. Cognitive impairment: Hyperinsulinism has been linked to cognitive impairment and an increased risk of dementia.

There are several causes of hyperinsulinism, including:

1. Insulin-producing tumors: Tumors that produce excessive amounts of insulin can lead to hyperinsulinism.
2. Familial hyperinsulinism: A genetic disorder that affects the regulation of insulin secretion and action.
3. Pancreatic beta-cell dysfunction: Dysfunction in the pancreatic beta cells, which produce insulin, can lead to hyperinsulinism.
4. Medications: Certain medications such as steroids and certain psychiatric drugs can cause hyperinsulinism.
5. Pituitary tumors: Tumors in the pituitary gland can lead to excessive secretion of growth hormone, which can stimulate insulin production.
6. Maternal diabetes during pregnancy: Women with diabetes during pregnancy may experience hyperinsulinism due to increased insulin resistance and higher insulin levels.
7. Gestational diabetes: High blood sugar during pregnancy can lead to hyperinsulinism.
8. Polycystic ovary syndrome (PCOS): Women with PCOS may experience hyperinsulinism due to insulin resistance and high insulin levels.
9. Cushing's syndrome: An endocrine disorder caused by excessive cortisol production can lead to hyperinsulinism.
10. Other medical conditions: Certain medical conditions such as thyroid disorders, adrenal gland disorders, and pituitary gland disorders can also cause hyperinsulinism.

It's important to note that some individuals with hyperinsulinism may not experience any symptoms, while others may experience a range of symptoms, including:

1. Weight gain
2. Fatigue
3. Headaches
4. Numbness or tingling in the hands and feet
5. Memory loss and difficulty concentrating
6. Mood changes, such as anxiety and depression
7. Skin problems, such as acne and thinning skin
8. Increased risk of heart disease and stroke
9. Growth retardation in children
10. Increased risk of developing type 2 diabetes

If you suspect that you or your child may have hyperinsulinism, it's important to consult with a healthcare professional for proper diagnosis and treatment. A doctor may perform a physical examination, take a medical history, and order blood tests to determine if hyperinsulinism is present and what may be causing it. Treatment options for hyperinsulinism will depend on the underlying cause of the condition. In some cases, medications such as metformin or other anti-diabetic drugs may be prescribed to help regulate blood sugar levels and reduce insulin production. In other cases, surgery or lifestyle changes may be necessary. With proper diagnosis and treatment, it is possible to manage hyperinsulinism and prevent or manage related health complications.

The diagnosis of bacillary dysentery is based on a combination of clinical findings and laboratory tests, such as fecal cultures or polymerase chain reaction (PCR) assays. Treatment typically involves antibiotics, which can shorten the duration of diarrhea and reduce the risk of complications. In severe cases, hospitalization may be necessary to manage dehydration and other complications.
Prevention measures include maintaining good hygiene practices, such as washing hands after using the bathroom or before handling food, and avoiding contaminated water or food. Vaccines are also available for some types of Shigella infections.

Symptoms of a UTI can include:

* Painful urination
* Frequent urination
* Cloudy or strong-smelling urine
* Blood in the urine
* Pelvic pain in women
* Rectal pain in men

If you suspect that you have a UTI, it is important to seek medical attention as soon as possible. UTIs can lead to more serious complications if left untreated, such as kidney damage or sepsis.

Treatment for a UTI typically involves antibiotics to clear the infection. It is important to complete the full course of treatment to ensure that the infection is completely cleared. Drinking plenty of water and taking over-the-counter pain relievers may also help alleviate symptoms.

Preventive measures for UTIs include:

* Practicing good hygiene, such as wiping from front to back and washing hands after using the bathroom
* Urinating when you feel the need, rather than holding it in
* Avoiding certain foods that may irritate the bladder, such as spicy or acidic foods
* Drinking plenty of water to help flush bacteria out of the urinary tract.

There are several types of melanoma, including:

1. Superficial spreading melanoma: This is the most common type of melanoma, accounting for about 70% of cases. It usually appears as a flat or slightly raised discolored patch on the skin.
2. Nodular melanoma: This type of melanoma is more aggressive and accounts for about 15% of cases. It typically appears as a raised bump on the skin, often with a darker color.
3. Acral lentiginous melanoma: This type of melanoma affects the palms of the hands, soles of the feet, or nail beds and accounts for about 5% of cases.
4. Lentigo maligna melanoma: This type of melanoma usually affects the face and is more common in older adults.

The risk factors for developing melanoma include:

1. Ultraviolet (UV) radiation exposure from the sun or tanning beds
2. Fair skin, light hair, and light eyes
3. A history of sunburns
4. Weakened immune system
5. Family history of melanoma

The symptoms of melanoma can vary depending on the type and location of the cancer. Common symptoms include:

1. Changes in the size, shape, or color of a mole
2. A new mole or growth on the skin
3. A spot or sore that bleeds or crusts over
4. Itching or pain on the skin
5. Redness or swelling around a mole

If melanoma is suspected, a biopsy will be performed to confirm the diagnosis. Treatment options for melanoma depend on the stage and location of the cancer and may include surgery, chemotherapy, radiation therapy, or a combination of these. Early detection and treatment are key to successful outcomes in melanoma cases.

In conclusion, melanoma is a type of skin cancer that can be deadly if not detected early. It is important to practice sun safety, perform regular self-exams, and seek medical attention if any suspicious changes are noticed on the skin. By being aware of the risk factors, symptoms, and treatment options for melanoma, individuals can take steps to protect themselves from this potentially deadly disease.

There are several types of colonic neoplasms, including:

1. Adenomas: These are benign growths that are usually precursors to colorectal cancer.
2. Carcinomas: These are malignant tumors that arise from the epithelial lining of the colon.
3. Sarcomas: These are rare malignant tumors that arise from the connective tissue of the colon.
4. Lymphomas: These are cancers of the immune system that can affect the colon.

Colonic neoplasms can cause a variety of symptoms, including bleeding, abdominal pain, and changes in bowel habits. They are often diagnosed through a combination of medical imaging tests (such as colonoscopy or CT scan) and biopsy. Treatment for colonic neoplasms depends on the type and stage of the tumor, and may include surgery, chemotherapy, and/or radiation therapy.

Overall, colonic neoplasms are a common condition that can have serious consequences if left untreated. It is important for individuals to be aware of their risk factors and to undergo regular screening for colon cancer to help detect and treat any abnormal growths or tumors in the colon.

In the medical field, Leukemia P388 is defined as a subline of leukemia cells that exhibits a specific set of genetic alterations and characteristics, including the ability to grow and proliferate in culture and in vivo, resistance to certain drugs and therapies, and the presence of specific markers and mutations.

Leukemia P388 is commonly used in research to study the biology of leukemia and to develop new treatments for this disease. It is also sometimes used as a model to study other types of cancer, such as lymphoma and solid tumors.

Overall, Leukemia P388 is an important tool in the study of cancer biology and is used to advance our understanding of the disease and to develop new treatments for patients with leukemia and other types of cancer.

Pseudomonas infections are challenging to treat due to the bacteria's ability to develop resistance against antibiotics. The treatment typically involves a combination of antibiotics and other supportive therapies, such as oxygen therapy or mechanical ventilation, to manage symptoms and prevent complications. In some cases, surgical intervention may be necessary to remove infected tissue or repair damaged organs.

The symptoms of AIDS can vary depending on the individual and the stage of the disease. Common symptoms include:

1. Fever
2. Fatigue
3. Swollen glands
4. Rash
5. Muscle aches and joint pain
6. Night sweats
7. Diarrhea
8. Weight loss
9. Memory loss and other neurological problems
10. Cancer and other opportunistic infections.

AIDS is diagnosed through blood tests that detect the presence of HIV antibodies or the virus itself. There is no cure for AIDS, but antiretroviral therapy (ART) can help manage the symptoms and slow the progression of the disease. Prevention methods include using condoms, pre-exposure prophylaxis (PrEP), and avoiding sharing needles or other injection equipment.

In summary, Acquired Immunodeficiency Syndrome (AIDS) is a severe and life-threatening condition caused by the Human Immunodeficiency Virus (HIV). It is characterized by a severely weakened immune system, which makes it difficult to fight off infections and diseases. While there is no cure for AIDS, antiretroviral therapy can help manage the symptoms and slow the progression of the disease. Prevention methods include using condoms, pre-exposure prophylaxis, and avoiding sharing needles or other injection equipment.

There are several types of disease susceptibility, including:

1. Genetic predisposition: This refers to the inherent tendency of an individual to develop a particular disease due to their genetic makeup. For example, some families may have a higher risk of developing certain diseases such as cancer or heart disease due to inherited genetic mutations.
2. Environmental susceptibility: This refers to the increased risk of developing a disease due to exposure to environmental factors such as pollutants, toxins, or infectious agents. For example, someone who lives in an area with high levels of air pollution may be more susceptible to developing respiratory problems.
3. Lifestyle susceptibility: This refers to the increased risk of developing a disease due to unhealthy lifestyle choices such as smoking, lack of exercise, or poor diet. For example, someone who smokes and is overweight may be more susceptible to developing heart disease or lung cancer.
4. Immune system susceptibility: This refers to the increased risk of developing a disease due to an impaired immune system. For example, people with autoimmune disorders such as HIV/AIDS or rheumatoid arthritis may be more susceptible to opportunistic infections.

Understanding disease susceptibility can help healthcare providers identify individuals who are at risk of developing certain diseases and provide preventive measures or early intervention to reduce the risk of disease progression. Additionally, genetic testing can help identify individuals with a high risk of developing certain diseases, allowing for earlier diagnosis and treatment.

In summary, disease susceptibility refers to the predisposition of an individual to develop a particular disease or condition due to various factors such as genetics, environment, lifestyle choices, and immune system function. Understanding disease susceptibility can help healthcare providers identify individuals at risk and provide appropriate preventive measures or early intervention to reduce the risk of disease progression.

Recurrence can also refer to the re-emergence of symptoms in a previously treated condition, such as a chronic pain condition that returns after a period of remission.

In medical research, recurrence is often studied to understand the underlying causes of disease progression and to develop new treatments and interventions to prevent or delay its return.

There are several different types of leukemia, including:

1. Acute Lymphoblastic Leukemia (ALL): This is the most common type of leukemia in children, but it can also occur in adults. It is characterized by an overproduction of immature white blood cells called lymphoblasts.
2. Acute Myeloid Leukemia (AML): This type of leukemia affects the bone marrow's ability to produce red blood cells, platelets, and other white blood cells. It can occur at any age but is most common in adults.
3. Chronic Lymphocytic Leukemia (CLL): This type of leukemia affects older adults and is characterized by the slow growth of abnormal white blood cells called lymphocytes.
4. Chronic Myeloid Leukemia (CML): This type of leukemia is caused by a genetic mutation in a gene called BCR-ABL. It can occur at any age but is most common in adults.
5. Hairy Cell Leukemia: This is a rare type of leukemia that affects older adults and is characterized by the presence of abnormal white blood cells called hairy cells.
6. Myelodysplastic Syndrome (MDS): This is a group of disorders that occur when the bone marrow is unable to produce healthy blood cells. It can lead to leukemia if left untreated.

Treatment for leukemia depends on the type and severity of the disease, but may include chemotherapy, radiation therapy, targeted therapy, or stem cell transplantation.

Klebsiella Infections can occur in anyone, but certain groups of people are at higher risk, such as premature infants, people with weakened immune systems, and those with chronic medical conditions like diabetes, liver or kidney disease.

Symptoms of Klebsiella Infections include fever, chills, cough, difficulty breathing, painful urination, redness and swelling in the affected area, and in severe cases, sepsis and death.

Diagnosis of Klebsiella Infections is typically made through a combination of physical examination, medical history, and laboratory tests, such as blood cultures and urine cultures.

Treatment of Klebsiella Infections usually involves antibiotics, which can help clear the infection and prevent it from spreading. In severe cases, hospitalization may be necessary to provide appropriate care and monitoring.

Prevention of Klebsiella Infections includes good hand hygiene, proper cleaning and disinfection of equipment and surfaces, and avoiding close contact with individuals who have the infection. Vaccines are also available for certain types of Klebsiella Infections, such as pneumonia.

Complications of Klebsiella Infections can include pneumonia, urinary tract infections, bloodstream infections, and sepsis, which can lead to organ failure and death if left untreated.

Recovery from Klebsiella Infections usually occurs within a few days to a week after antibiotic treatment is started, but in severe cases, recovery may take longer and may require hospitalization and close monitoring.

In conclusion, Klebsiella Infections are a type of bacterial infection that can affect various parts of the body, and can be mild or severe. Prompt diagnosis and treatment with antibiotics are essential to prevent complications and ensure a successful recovery. Proper hygiene practices and vaccines are also important for preventing the spread of these infections.

Bacteremia can occur when bacteria enter the bloodstream through various means, such as:

* Infected wounds or surgical sites
* Injecting drug use
* Skin infections
* Respiratory tract infections
* Urinary tract infections
* Endocarditis (infection of the heart valves)

The symptoms of bacteremia can vary depending on the type of bacteria and the severity of the infection. Some common symptoms include:

* Fever
* Chills
* Headache
* Muscle aches
* Weakness
* Confusion
* Shortness of breath

Bacteremia is diagnosed by blood cultures, which involve collecting blood samples and inserting them into a specialized container to grow the bacteria. Treatment typically involves antibiotics and supportive care, such as intravenous fluids and oxygen therapy. In severe cases, hospitalization may be necessary to monitor and treat the infection.

Prevention measures for bacteremia include:

* Practicing good hygiene, such as washing hands regularly
* Avoiding sharing personal items like toothbrushes or razors
* Properly cleaning and covering wounds
* Getting vaccinated against infections that can lead to bacteremia
* Following proper sterilization techniques during medical procedures

Overall, bacteremia is a serious condition that requires prompt medical attention to prevent complications and ensure effective treatment.

The word "haemon" comes from the Greek word for blood, and "chiasis" means a change or alteration in the normal condition of the body. So, haemonchosis literally means a change or alteration in the body caused by bleeding.

1. Abdominal obesity (excess fat around the waistline)
2. High blood pressure (hypertension)
3. Elevated fasting glucose (high blood sugar)
4. High serum triglycerides (elevated levels of triglycerides in the blood)
5. Low HDL cholesterol (low levels of "good" cholesterol)

Having three or more of these conditions is considered a diagnosis of metabolic syndrome X. It is estimated that approximately 34% of adults in the United States have this syndrome, and it is more common in women than men. Risk factors for developing metabolic syndrome include obesity, lack of physical activity, poor diet, and a family history of type 2 diabetes or CVD.

The term "metabolic syndrome" was first introduced in the medical literature in the late 1980s, and since then, it has been the subject of extensive research. The exact causes of metabolic syndrome are not yet fully understood, but it is believed to be related to insulin resistance, inflammation, and changes in body fat distribution.

Treatment for metabolic syndrome typically involves lifestyle modifications such as weight loss, regular physical activity, and a healthy diet. Medications such as blood pressure-lowering drugs, cholesterol-lowering drugs, and anti-diabetic medications may also be prescribed if necessary. It is important to note that not everyone with metabolic syndrome will develop type 2 diabetes or CVD, but the risk is increased. Therefore, early detection and treatment are crucial in preventing these complications.

Explanation: Neoplastic cell transformation is a complex process that involves multiple steps and can occur as a result of genetic mutations, environmental factors, or a combination of both. The process typically begins with a series of subtle changes in the DNA of individual cells, which can lead to the loss of normal cellular functions and the acquisition of abnormal growth and reproduction patterns.

Over time, these transformed cells can accumulate further mutations that allow them to survive and proliferate despite adverse conditions. As the transformed cells continue to divide and grow, they can eventually form a tumor, which is a mass of abnormal cells that can invade and damage surrounding tissues.

In some cases, cancer cells can also break away from the primary tumor and travel through the bloodstream or lymphatic system to other parts of the body, where they can establish new tumors. This process, known as metastasis, is a major cause of death in many types of cancer.

It's worth noting that not all transformed cells will become cancerous. Some forms of cellular transformation, such as those that occur during embryonic development or tissue regeneration, are normal and necessary for the proper functioning of the body. However, when these transformations occur in adult tissues, they can be a sign of cancer.

See also: Cancer, Tumor

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There are several types of osteosarcomas, including:

1. High-grade osteosarcoma: This is the most common type of osteosarcoma and tends to grow quickly.
2. Low-grade osteosarcoma: This type of osteosarcoma grows more slowly than high-grade osteosarcoma.
3. Chondrosarcoma: This is a type of osteosarcoma that arises in the cartilage cells of the bone.
4. Ewing's family of tumors: These are rare types of osteosarcoma that can occur in any bone of the body.

The exact cause of osteosarcoma is not known, but certain risk factors may increase the likelihood of developing the disease. These include:

1. Previous radiation exposure
2. Paget's disease of bone
3. Li-Fraumeni syndrome (a genetic disorder that increases the risk of certain types of cancer)
4. Familial retinoblastoma (a rare inherited condition)
5. Exposure to certain chemicals, such as herbicides and industrial chemicals.

Symptoms of osteosarcoma may include:

1. Pain in the affected bone, which may be worse at night or with activity
2. Swelling and redness around the affected area
3. Limited mobility or stiffness in the affected limb
4. A visible lump or mass on the affected bone
5. Fractures or breaks in the affected bone

If osteosarcoma is suspected, a doctor may perform several tests to confirm the diagnosis and determine the extent of the disease. These may include:

1. Imaging studies, such as X-rays, CT scans, or MRI scans
2. Biopsy, in which a sample of tissue is removed from the affected bone and examined under a microscope for cancer cells
3. Blood tests to check for elevated levels of certain enzymes that are produced by osteosarcoma cells
4. Bone scans to look for areas of increased activity or metabolism in the bones.

Disease progression can be classified into several types based on the pattern of worsening:

1. Chronic progressive disease: In this type, the disease worsens steadily over time, with a gradual increase in symptoms and decline in function. Examples include rheumatoid arthritis, osteoarthritis, and Parkinson's disease.
2. Acute progressive disease: This type of disease worsens rapidly over a short period, often followed by periods of stability. Examples include sepsis, acute myocardial infarction (heart attack), and stroke.
3. Cyclical disease: In this type, the disease follows a cycle of worsening and improvement, with periodic exacerbations and remissions. Examples include multiple sclerosis, lupus, and rheumatoid arthritis.
4. Recurrent disease: This type is characterized by episodes of worsening followed by periods of recovery. Examples include migraine headaches, asthma, and appendicitis.
5. Catastrophic disease: In this type, the disease progresses rapidly and unpredictably, with a poor prognosis. Examples include cancer, AIDS, and organ failure.

Disease progression can be influenced by various factors, including:

1. Genetics: Some diseases are inherited and may have a predetermined course of progression.
2. Lifestyle: Factors such as smoking, lack of exercise, and poor diet can contribute to disease progression.
3. Environmental factors: Exposure to toxins, allergens, and other environmental stressors can influence disease progression.
4. Medical treatment: The effectiveness of medical treatment can impact disease progression, either by slowing or halting the disease process or by causing unintended side effects.
5. Co-morbidities: The presence of multiple diseases or conditions can interact and affect each other's progression.

Understanding the type and factors influencing disease progression is essential for developing effective treatment plans and improving patient outcomes.

Nematode infections are parasitic infections caused by nematodes, a type of worm. Nematodes are helminths, which are parasites that infect the body and feed on its tissues and fluids. There are several types of nematode infections, including:

1. Ascariasis: This is an infection caused by the roundworm Ascaris lumbricoides. It is one of the most common intestinal parasitic infections in the world and can cause symptoms such as abdominal pain, diarrhea, and weight loss.
2. Trichinellosis: This is an infection caused by the parasite Trichinella. It can be transmitted through the consumption of undercooked meat, particularly pork or wild game. Symptoms include fever, muscle pain, and diarrhea.
3. Strongyloidiasis: This is an infection caused by the roundworm Strongyloides. It can affect people with weakened immune systems, such as those with HIV/AIDS or cancer patients undergoing chemotherapy. Symptoms include diarrhea, abdominal pain, and fatigue.
4. Hookworm infection: This is an infection caused by the hookworm Ancylostoma duodenale. It can be transmitted through contact with contaminated feces or soil. Symptoms include abdominal pain, diarrhea, and anemia.
5. Trichuriasis: This is an infection caused by the whipworm Trichuris trichiura. It can affect people of all ages and can cause symptoms such as diarrhea, abdominal pain, and weight loss.

Nematode infections can be diagnosed through a variety of tests, including stool samples, blood tests, and imaging studies. Treatment depends on the type of infection and may involve medication to kill the parasites, as well as supportive care to manage symptoms. Prevention includes avoiding exposure to contaminated food and water, practicing good hygiene, and using insecticides to control the spread of hookworms.

Overall, nematode infections can have a significant impact on human health, especially in areas with poor sanitation and hygiene. It is important to be aware of these infections and seek medical attention if symptoms persist or worsen over time.

Sources:

1. Dictionary of Medical Microbiology, Second Edition. Edited by A. S. Chakrabarti and S. K. Das. Springer, 2012.
2. Medical Microbiology, Fourth Edition. Edited by P. R. Murray, K. S. N air, and M. J. Laurence. Mosby, 2014.

Examples of AROIs include:

1. Pneumocystis pneumonia (PCP): a type of pneumonia caused by the fungus Pneumocystis jirovecii.
2. Tuberculosis (TB): a bacterial infection that can affect the lungs, brain, or other organs.
3. Toxoplasmosis: an infection caused by the parasite Toxoplasma gondii that can affect the brain, eyes, and other organs.
4. Cryptococcosis: a fungal infection that can affect the lungs, brain, or skin.
5. Histoplasmosis: a fungal infection caused by Histoplasma capsulatum that can affect the lungs, skin, and other organs.
6. Aspergillosis: a fungal infection caused by Aspergillus species that can affect the lungs, sinuses, and other organs.
7. Candidiasis: a fungal infection caused by Candida species that can affect the mouth, throat, vagina, or skin.
8. Kaposi's sarcoma: a type of cancer that is caused by the human herpesvirus 8 (HHV-8) and can affect the skin and lymph nodes.
9. Wasting syndrome: a condition characterized by weight loss, fatigue, and diarrhea.
10. Opportunistic infections that can affect the gastrointestinal tract, such as cryptosporidiosis and isosporiasis.

AROIs are a major cause of morbidity and mortality in individuals with HIV/AIDS, and they can be prevented or treated with antimicrobial therapy, supportive care, and other interventions.

Body weight is an important health indicator, as it can affect an individual's risk for certain medical conditions, such as obesity, diabetes, and cardiovascular disease. Maintaining a healthy body weight is essential for overall health and well-being, and there are many ways to do so, including a balanced diet, regular exercise, and other lifestyle changes.

There are several ways to measure body weight, including:

1. Scale: This is the most common method of measuring body weight, and it involves standing on a scale that displays the individual's weight in kg or lb.
2. Body fat calipers: These are used to measure body fat percentage by pinching the skin at specific points on the body.
3. Skinfold measurements: This method involves measuring the thickness of the skin folds at specific points on the body to estimate body fat percentage.
4. Bioelectrical impedance analysis (BIA): This is a non-invasive method that uses electrical impulses to measure body fat percentage.
5. Dual-energy X-ray absorptiometry (DXA): This is a more accurate method of measuring body composition, including bone density and body fat percentage.

It's important to note that body weight can fluctuate throughout the day due to factors such as water retention, so it's best to measure body weight at the same time each day for the most accurate results. Additionally, it's important to use a reliable scale or measuring tool to ensure accurate measurements.

AML is a fast-growing and aggressive form of leukemia that can spread to other parts of the body through the bloodstream. It is most commonly seen in adults over the age of 60, but it can also occur in children.

There are several subtypes of AML, including:

1. Acute promyelocytic leukemia (APL): This is a subtype of AML that is characterized by the presence of a specific genetic abnormality called the PML-RARA fusion gene. It is usually responsive to treatment with chemotherapy and has a good prognosis.
2. Acute myeloid leukemia, not otherwise specified (NOS): This is the most common subtype of AML and does not have any specific genetic abnormalities. It can be more difficult to treat and has a poorer prognosis than other subtypes.
3. Chronic myelomonocytic leukemia (CMML): This is a subtype of AML that is characterized by the presence of too many immature white blood cells called monocytes in the blood and bone marrow. It can progress slowly over time and may require ongoing treatment.
4. Juvenile myeloid leukemia (JMML): This is a rare subtype of AML that occurs in children under the age of 18. It is characterized by the presence of too many immature white blood cells called blasts in the blood and bone marrow.

The symptoms of AML can vary depending on the subtype and the severity of the disease, but they may include:

* Fatigue
* Weakness
* Shortness of breath
* Pale skin
* Easy bruising or bleeding
* Swollen lymph nodes, liver, or spleen
* Bone pain
* Headache
* Confusion or seizures

AML is diagnosed through a combination of physical examination, medical history, and diagnostic tests such as:

1. Complete blood count (CBC): This test measures the number and types of cells in the blood, including red blood cells, white blood cells, and platelets.
2. Bone marrow biopsy: This test involves removing a small sample of bone marrow tissue from the hipbone or breastbone to examine under a microscope for signs of leukemia cells.
3. Genetic testing: This test can help identify specific genetic abnormalities that are associated with AML.
4. Immunophenotyping: This test uses antibodies to identify the surface proteins on leukemia cells, which can help diagnose the subtype of AML.
5. Cytogenetics: This test involves staining the bone marrow cells with dyes to look for specific changes in the chromosomes that are associated with AML.

Treatment for AML typically involves a combination of chemotherapy, targeted therapy, and in some cases, bone marrow transplantation. The specific treatment plan will depend on the subtype of AML, the patient's age and overall health, and other factors. Some common treatments for AML include:

1. Chemotherapy: This involves using drugs to kill cancer cells. The most commonly used chemotherapy drugs for AML are cytarabine (Ara-C) and anthracyclines such as daunorubicin (DaunoXome) and idarubicin (Idamycin).
2. Targeted therapy: This involves using drugs that specifically target the genetic abnormalities that are causing the cancer. Examples of targeted therapies used for AML include midostaurin (Rydapt) and gilteritinib (Xospata).
3. Bone marrow transplantation: This involves replacing the diseased bone marrow with healthy bone marrow from a donor. This is typically done after high-dose chemotherapy to destroy the cancer cells.
4. Supportive care: This includes treatments to manage symptoms and side effects of the disease and its treatment, such as anemia, infection, and bleeding. Examples of supportive care for AML include blood transfusions, antibiotics, and platelet transfusions.
5. Clinical trials: These are research studies that involve testing new treatments for AML. Participating in a clinical trial may give patients access to innovative therapies that are not yet widely available.

It's important to note that the treatment plan for AML is highly individualized, and the specific treatments used will depend on the patient's age, overall health, and other factors. Patients should work closely with their healthcare team to determine the best course of treatment for their specific needs.

Neuroblastoma is caused by a genetic mutation that affects the development and growth of nerve cells. The cancerous cells are often sensitive to chemotherapy, but they can be difficult to remove surgically because they are deeply embedded in the nervous system.

There are several different types of neuroblastoma, including:

1. Infantile neuroblastoma: This type of neuroblastoma occurs in children under the age of one and is often more aggressive than other types of the cancer.
2. Juvenile neuroblastoma: This type of neuroblastoma occurs in children between the ages of one and five and tends to be less aggressive than infantile neuroblastoma.
3. Adult neuroblastoma: This type of neuroblastoma occurs in adults and is rare.
4. Metastatic neuroblastoma: This type of neuroblastoma has spread to other parts of the body, such as the bones or liver.

Symptoms of neuroblastoma can vary depending on the location and size of the tumor, but they may include:

* Abdominal pain
* Fever
* Loss of appetite
* Weight loss
* Fatigue
* Bone pain
* Swelling in the abdomen or neck
* Constipation
* Increased heart rate

Diagnosis of neuroblastoma typically involves a combination of imaging tests, such as CT scans and MRI scans, and biopsies to confirm the presence of cancerous cells. Treatment for neuroblastoma usually involves a combination of chemotherapy, surgery, and radiation therapy. The prognosis for neuroblastoma varies depending on the type of cancer, the age of the child, and the stage of the disease. In general, the younger the child and the more aggressive the treatment, the better the prognosis.

There are two main types of fatty liver disease:

1. Alcoholic fatty liver disease (AFLD): This type of fatty liver disease is caused by excessive alcohol consumption and is the most common cause of fatty liver disease in the United States.
2. Non-alcoholic fatty liver disease (NAFLD): This type of fatty liver disease is not caused by alcohol consumption and is the most common cause of fatty liver disease worldwide. It is often associated with obesity, diabetes, and high cholesterol.

There are several risk factors for developing fatty liver disease, including:

* Obesity
* Physical inactivity
* High calorie intake
* Alcohol consumption
* Diabetes
* High cholesterol
* High triglycerides
* History of liver disease

Symptoms of fatty liver disease can include:

* Fatigue
* Abdominal discomfort
* Loss of appetite
* Nausea and vomiting
* Abnormal liver function tests

Diagnosis of fatty liver disease is typically made through a combination of physical examination, medical history, and diagnostic tests such as:

* Liver biopsy
* Imaging studies (ultrasound, CT or MRI scans)
* Blood tests (lipid profile, glucose, insulin, and liver function tests)

Treatment of fatty liver disease depends on the underlying cause and severity of the condition. Lifestyle modifications such as weight loss, exercise, and a healthy diet can help improve the condition. In severe cases, medications such as antioxidants, fibric acids, and anti-inflammatory drugs may be prescribed. In some cases, surgery or other procedures may be necessary.

Prevention of fatty liver disease includes:

* Maintaining a healthy weight
* Eating a balanced diet low in sugar and saturated fats
* Engaging in regular physical activity
* Limiting alcohol consumption
* Managing underlying medical conditions such as diabetes and high cholesterol.

Symptoms of gonorrhea in men include:

* A burning sensation when urinating
* Discharge from the penis
* Painful or swollen testicles
* Painful urination

Symptoms of gonorrhea in women include:

* Increased vaginal discharge
* Painful urination
* Painful intercourse
* Abnormal vaginal bleeding

Gonorrhea can be diagnosed through a physical exam and laboratory tests, such as a urine test or a swab of the affected area. It is typically treated with antibiotics.

If left untreated, gonorrhea can cause serious complications, including:

* Pelvic inflammatory disease (PID) in women
* Epididymitis (inflammation of the tube that carries sperm) in men
* Infertility
* Chronic pain
* Increased risk of HIV transmission

Gonorrhea is a reportable disease, meaning that healthcare providers are required by law to report cases to public health authorities. This helps to track and prevent the spread of the infection.

Prevention methods for gonorrhea include:

* Safe sex practices, such as using condoms or dental dams
* Avoiding sexual contact with someone who has gonorrhea
* Getting regularly tested for STIs
* Using pre-exposure prophylaxis (PrEP) for HIV prevention

It is important to note that gonorrhea can be asymptomatic, meaning that individuals may not experience any symptoms even if they have the infection. Therefore, regular testing is important for early detection and treatment.

HIV seropositivity is typically diagnosed through a blood test called an enzyme-linked immunosorbent assay (ELISA). This test detects the presence of antibodies against HIV in the blood by using specific proteins on the surface of the virus. If the test is positive, it means that the individual has been infected with HIV.

HIV seropositivity is an important diagnostic criterion for AIDS (Acquired Immune Deficiency Syndrome), which is a condition that develops when the immune system is severely damaged by HIV infection. AIDS is diagnosed based on a combination of symptoms and laboratory tests, including HIV seropositivity.

HIV seropositivity can be either primary (acute) or chronic. Primary HIV seropositivity occurs when an individual is first infected with HIV and their immune system produces antibodies against the virus. Chronic HIV seropositivity occurs when an individual has been living with HIV for a long time and their immune system has produced antibodies that remain in their bloodstream.

HIV seropositivity can have significant implications for an individual's health and quality of life, as well as their social and economic well-being. It is important for individuals who are HIV seropositive to receive appropriate medical care and support to manage their condition and prevent the transmission of HIV to others.

Neoplastic metastasis can occur in any type of cancer but are more common in solid tumors such as carcinomas (breast, lung, colon). It is important for cancer diagnosis and prognosis because metastasis indicates that the cancer has spread beyond its original site and may be more difficult to treat.

Metastases can appear at any distant location but commonly found sites include the liver, lungs, bones, brain, and lymph nodes. The presence of metastases indicates a higher stage of cancer which is associated with lower survival rates compared to localized cancer.

There are several different forms of leishmaniasis, including:

* Cutaneous leishmaniasis: This form of the disease causes skin sores, which can be painful and disfiguring.
* Visceral leishmaniasis: Also known as kala-azar, this form of the disease affects the internal organs and can be fatal if left untreated.
* Mucocutaneous leishmaniasis: This form of the disease causes sores on the skin and mucous membranes.
*Diffuse cutaneous leishmaniasis: This form of the disease causes widespread skin lesions.

Leishmaniasis can be diagnosed through a variety of methods, including:

* Physical examination and medical history: A doctor may look for signs of the disease, such as skin sores or swelling, and ask about the patient's travel history and exposure to sandflies.
* Laboratory tests: Blood and skin samples can be tested for the presence of the parasite using techniques such as microscopy, PCR, and serology.
* Imaging studies: X-rays, CT scans, and MRI scans can be used to visualize the spread of the disease in the body.

Treatment for leishmaniasis typically involves antiparasitic drugs, such as pentavalent antimonials, miltefosine, and amphotericin B. The specific treatment regimen will depend on the severity and location of the disease, as well as the patient's age, health status, and other factors. In some cases, surgery may be necessary to remove affected tissue.

Prevention measures for leishmaniasis include:

* Avoiding sandfly bites: Using insecticides, wearing protective clothing, and staying in well-screened areas can help prevent sandfly bites.
* Eliminating sandfly breeding sites: Removing debris and vegetation, and using insecticides to kill sandflies and their eggs can help reduce the risk of infection.
* Vaccination: There is currently no effective vaccine against leishmaniasis, but research is ongoing to develop one.
* Public education: Raising awareness about the disease and how it is transmitted can help prevent infections and reduce the burden on healthcare systems.

Overall, early diagnosis and treatment are key to preventing complications and improving outcomes for patients with leishmaniasis. In addition, public health measures such as insecticide use and vaccination may help reduce the incidence of the disease.

Pancreatic adenocarcinoma is the most common type of malignant pancreatic neoplasm and accounts for approximately 85% of all pancreatic cancers. It originates in the glandular tissue of the pancreas and has a poor prognosis, with a five-year survival rate of less than 10%.

Pancreatic neuroendocrine tumors (PNETs) are less common but more treatable than pancreatic adenocarcinoma. These tumors originate in the hormone-producing cells of the pancreas and can produce excess hormones that cause a variety of symptoms, such as diabetes or high blood sugar. PNETs are classified into two main types: functional and non-functional. Functional PNETs produce excess hormones and are more aggressive than non-functional tumors.

Other rare types of pancreatic neoplasms include acinar cell carcinoma, ampullary cancer, and oncocytic pancreatic neuroendocrine tumors. These tumors are less common than pancreatic adenocarcinoma and PNETs but can be equally aggressive and difficult to treat.

The symptoms of pancreatic neoplasms vary depending on the type and location of the tumor, but they often include abdominal pain, weight loss, jaundice, and fatigue. Diagnosis is typically made through a combination of imaging tests such as CT scans, endoscopic ultrasound, and biopsy. Treatment options for pancreatic neoplasms depend on the type and stage of the tumor but may include surgery, chemotherapy, radiation therapy, or a combination of these.

Prognosis for patients with pancreatic neoplasms is generally poor, especially for those with advanced stages of disease. However, early detection and treatment can improve survival rates. Research into the causes and mechanisms of pancreatic neoplasms is ongoing, with a focus on developing new and more effective treatments for these devastating diseases.




A persistent infection with the hepatitis B virus (HBV) that can lead to liver cirrhosis and hepatocellular carcinoma. HBV is a bloodborne pathogen and can be spread through contact with infected blood, sexual contact, or vertical transmission from mother to child during childbirth.

Chronic hepatitis B is characterized by the presence of HBsAg in the blood for more than 6 months, indicating that the virus is still present in the liver. The disease can be asymptomatic or symptomatic, with symptoms such as fatigue, malaise, loss of appetite, nausea, vomiting, joint pain, and jaundice.

Chronic hepatitis B is diagnosed through serological tests such as HBsAg, anti-HBc, and HBV DNA. Treatment options include interferon alpha and nucleos(t)ide analogues, which can slow the progression of the disease but do not cure it.

Prevention strategies for chronic hepatitis B include vaccination with hepatitis B vaccine, which is effective in preventing acute and chronic HBV infection, as well as avoidance of risky behaviors such as unprotected sex and sharing of needles.

Examples of CAIs include:

1. Respiratory infections such as bronchitis, pneumonia, and influenza.
2. Skin and soft tissue infections such as cellulitis, abscesses, and wound infections.
3. Gastrointestinal infections such as food poisoning, diarrhea, and gastroenteritis.
4. Urinary tract infections (UTIs) caused by bacteria that enter the urinary tract through the urethra or bladder.
5. Sexually transmitted infections (STIs) such as chlamydia, gonorrhea, and syphilis.
6. Bacterial infections such as staphylococcus aureus, streptococcus pneumoniae, and haemophilus influenzae.
7. Viral infections such as herpes simplex virus (HSV), human papillomavirus (HPV), and norovirus.

CAIs can be treated with antibiotics, antivirals, or other medications depending on the cause of the infection. It's important to seek medical attention if symptoms persist or worsen over time, as untreated CAIs can lead to serious complications and potentially life-threatening conditions.

Vivax malaria is characterized by a more gradual onset of symptoms compared to other types of malaria, such as Plasmodium falciparum. The symptoms of vivax malaria can include fever, chills, headache, muscle and joint pain, fatigue, nausea, vomiting, and diarrhea. In severe cases, it can lead to anemia, kidney failure, seizures, coma, and death.

Vivax malaria is typically diagnosed through a physical examination, medical history, and laboratory tests such as blood smears or PCR (polymerase chain reaction) tests. Treatment for vivax malaria typically involves the use of antimalarial drugs, such as chloroquine or primaquine, which are effective against the parasite but not against other types of malaria.

Prevention is key to avoiding malaria, and this includes taking antimalarial medications before traveling to areas where malaria is common, wearing protective clothing and applying insect repellent to prevent mosquito bites, and using bed nets that have been treated with insecticide. Eliminating standing water around homes and communities can also help reduce the number of mosquitoes and the risk of malaria.

In conclusion, vivax malaria is a serious and sometimes life-threatening disease caused by a parasite that is transmitted through the bite of an infected mosquito. It is important to be aware of the risk of malaria when traveling to areas where it is common, and to take preventive measures such as using antimalarial medications and protective clothing to avoid infection.

Some common types of streptococcal infections include:

1. Strep throat (pharyngitis): an infection of the throat and tonsils that can cause fever, sore throat, and swollen lymph nodes.
2. Sinusitis: an infection of the sinuses (air-filled cavities in the skull) that can cause headache, facial pain, and nasal congestion.
3. Pneumonia: an infection of the lungs that can cause cough, fever, chills, and shortness of breath.
4. Cellulitis: an infection of the skin and underlying tissue that can cause redness, swelling, and warmth over the affected area.
5. Endocarditis: an infection of the heart valves, which can cause fever, fatigue, and swelling in the legs and abdomen.
6. Meningitis: an infection of the membranes covering the brain and spinal cord that can cause fever, headache, stiff neck, and confusion.
7. Septicemia (blood poisoning): an infection of the bloodstream that can cause fever, chills, rapid heart rate, and low blood pressure.

Streptococcal infections are usually treated with antibiotics, which can help clear the infection and prevent complications. In some cases, hospitalization may be necessary to monitor and treat the infection.

Prevention measures for streptococcal infections include:

1. Good hygiene practices, such as washing hands frequently, especially after contact with someone who is sick.
2. Avoiding close contact with people who have streptococcal infections.
3. Keeping wounds and cuts clean and covered to prevent bacterial entry.
4. Practicing safe sex to prevent the spread of streptococcal infections through sexual contact.
5. Getting vaccinated against streptococcus pneumoniae, which can help prevent pneumonia and other infections caused by this bacterium.

It is important to seek medical attention if you suspect you or someone else may have a streptococcal infection, as early diagnosis and treatment can help prevent complications and improve outcomes.

Adenocarcinoma is a term used to describe a variety of different types of cancer that arise in glandular tissue, including:

1. Colorectal adenocarcinoma (cancer of the colon or rectum)
2. Breast adenocarcinoma (cancer of the breast)
3. Prostate adenocarcinoma (cancer of the prostate gland)
4. Pancreatic adenocarcinoma (cancer of the pancreas)
5. Lung adenocarcinoma (cancer of the lung)
6. Thyroid adenocarcinoma (cancer of the thyroid gland)
7. Skin adenocarcinoma (cancer of the skin)

The symptoms of adenocarcinoma depend on the location of the cancer and can include:

1. Blood in the stool or urine
2. Abdominal pain or discomfort
3. Changes in bowel habits
4. Unusual vaginal bleeding (in the case of endometrial adenocarcinoma)
5. A lump or thickening in the breast or elsewhere
6. Weight loss
7. Fatigue
8. Coughing up blood (in the case of lung adenocarcinoma)

The diagnosis of adenocarcinoma is typically made through a combination of imaging tests, such as CT scans, MRI scans, and PET scans, and a biopsy, which involves removing a sample of tissue from the affected area and examining it under a microscope for cancer cells.

Treatment options for adenocarcinoma depend on the location of the cancer and can include:

1. Surgery to remove the tumor
2. Chemotherapy, which involves using drugs to kill cancer cells
3. Radiation therapy, which involves using high-energy X-rays or other particles to kill cancer cells
4. Targeted therapy, which involves using drugs that target specific molecules on cancer cells to kill them
5. Immunotherapy, which involves using drugs that stimulate the immune system to fight cancer cells.

The prognosis for adenocarcinoma is generally good if the cancer is detected and treated early, but it can be more challenging to treat if the cancer has spread to other parts of the body.

1. Impaired glucose tolerance (IGT): This is a condition where the body has difficulty regulating blood sugar levels after consuming a meal.
2. Impaired fasting glucose (IFG): This is a condition where the body has difficulty regulating blood sugar levels when fasting (not eating for a period of time).
3. Gestational diabetes: This is a type of diabetes that develops during pregnancy, usually in the second or third trimester.
4. Type 2 diabetes: This is a chronic condition where the body cannot effectively use insulin to regulate blood sugar levels.

The symptoms of glucose intolerance can vary depending on the type and severity of the condition. Some common symptoms include:

* High blood sugar levels
* Increased thirst and urination
* Fatigue
* Blurred vision
* Cuts or bruises that are slow to heal
* Tingling or numbness in the hands and feet

The diagnosis of glucose intolerance is typically made through a combination of physical examination, medical history, and laboratory tests such as:

* Fasting plasma glucose (FPG) test: This measures the level of glucose in the blood after an overnight fast.
* Oral glucose tolerance test (OGTT): This measures the body's ability to regulate blood sugar levels after consuming a sugary drink.
* Hemoglobin A1c (HbA1c) test: This measures the average blood sugar level over the past 2-3 months.

Treatment for glucose intolerance usually involves lifestyle changes such as:

* Eating a healthy, balanced diet that is low in added sugars and refined carbohydrates
* Increasing physical activity to help the body use insulin more effectively
* Losing weight if you are overweight or obese
* Monitoring blood sugar levels regularly

In some cases, medication may be prescribed to help manage blood sugar levels. These include:

* Metformin: This is a type of oral medication that helps the body use insulin more effectively.
* Sulfonylureas: These medications stimulate the release of insulin from the pancreas.
* Thiazolidinediones: These medications improve the body's sensitivity to insulin.

If left untreated, glucose intolerance can lead to a range of complications such as:

* Type 2 diabetes: This is a more severe form of glucose intolerance that can cause damage to the body's organs and tissues.
* Cardiovascular disease: High blood sugar levels can increase the risk of heart disease and stroke.
* Nerve damage: High blood sugar levels over an extended period can damage the nerves, leading to numbness, tingling, and pain in the hands and feet.
* Kidney damage: High blood sugar levels can damage the kidneys and lead to kidney disease.
* Eye damage: High blood sugar levels can damage the blood vessels in the eyes, leading to vision problems.

It is important to note that not everyone with glucose intolerance will develop these complications, but it is important to manage the condition to reduce the risk of these complications occurring.

Myeloid leukemia can be classified into several subtypes based on the type of cell involved and the degree of maturity of the abnormal cells. The most common types of myeloid leukemia include:

1. Acute Myeloid Leukemia (AML): This is the most aggressive form of myeloid leukemia, characterized by a rapid progression of immature cells that do not mature or differentiate into normal cells. AML can be further divided into several subtypes based on the presence of certain genetic mutations or chromosomal abnormalities.
2. Chronic Myeloid Leukemia (CML): This is a slower-growing form of myeloid leukemia, characterized by the presence of a genetic abnormality known as the Philadelphia chromosome. CML is typically treated with targeted therapies or bone marrow transplantation.
3. Myelodysplastic Syndrome (MDS): This is a group of disorders characterized by the impaired development of immature blood cells in the bone marrow. MDS can progress to AML if left untreated.
4. Chronic Myelomonocytic Leukemia (CMML): This is a rare form of myeloid leukemia that is characterized by the accumulation of immature monocytes in the blood and bone marrow. CMML can be treated with chemotherapy or bone marrow transplantation.

The symptoms of myeloid leukemia can vary depending on the subtype and severity of the disease. Common symptoms include fatigue, weakness, fever, night sweats, and weight loss. Diagnosis is typically made through a combination of physical examination, blood tests, and bone marrow biopsy. Treatment options for myeloid leukemia can include chemotherapy, targeted therapies, bone marrow transplantation, and supportive care to manage symptoms and prevent complications. The prognosis for myeloid leukemia varies depending on the subtype of the disease and the patient's overall health. With current treatments, many patients with myeloid leukemia can achieve long-term remission or even be cured.

Viremia is a condition where the virus is present in the bloodstream, outside of infected cells or tissues. This can occur during the acute phase of an infection, when the virus is actively replicating and spreading throughout the body. Viremia can also be seen in chronic infections, where the virus may persist in the blood for longer periods of time.

In some cases, viremia can lead to the development of antibodies against the virus, which can help to neutralize it and prevent its spread. However, if the viremia is not controlled, it can cause serious complications, such as sepsis or organ damage.

Diagnosis of viremia typically involves laboratory tests, such as PCR (polymerase chain reaction) or ELISA (enzyme-linked immunosorbent assay), which can detect the presence of virus in the blood. Treatment of viremia depends on the underlying cause and may include antiviral medications, supportive care, and management of any related complications.

Examples of acute diseases include:

1. Common cold and flu
2. Pneumonia and bronchitis
3. Appendicitis and other abdominal emergencies
4. Heart attacks and strokes
5. Asthma attacks and allergic reactions
6. Skin infections and cellulitis
7. Urinary tract infections
8. Sinusitis and meningitis
9. Gastroenteritis and food poisoning
10. Sprains, strains, and fractures.

Acute diseases can be treated effectively with antibiotics, medications, or other therapies. However, if left untreated, they can lead to chronic conditions or complications that may require long-term care. Therefore, it is important to seek medical attention promptly if symptoms persist or worsen over time.

Adenocarcinoma is the most common subtype of NSCLC and is characterized by malignant cells that have glandular or secretory properties. Squamous cell carcinoma is less common and is characterized by malignant cells that resemble squamous epithelium. Large cell carcinoma is a rare subtype and is characterized by large, poorly differentiated cells.

The main risk factor for developing NSCLC is tobacco smoking, which is responsible for approximately 80-90% of all cases. Other risk factors include exposure to secondhand smoke, radon gas, asbestos, and certain chemicals in the workplace or environment.

Symptoms of NSCLC can include coughing, chest pain, shortness of breath, and fatigue. The diagnosis is typically made through a combination of imaging studies such as CT scans, PET scans, and biopsy. Treatment options for NSCLC can include surgery, chemotherapy, radiation therapy, or a combination of these. The prognosis for NSCLC depends on several factors, including the stage of the cancer, the patient's overall health, and the effectiveness of treatment.

Overall, NSCLC is a common and aggressive form of lung cancer that can be treated with a variety of therapies. Early detection and treatment are critical for improving outcomes in patients with this diagnosis.

The diagnosis of typhoid fever is based on clinical symptoms, laboratory tests such as blood cultures, and polymerase chain reaction (PCR) assays. Treatment typically involves antibiotics, which can significantly reduce the duration of illness and the risk of complications. Prevention measures include vaccination against typhoid fever, proper sanitation and hygiene practices, and avoiding consumption of contaminated food and water.

Symptoms:

* High fever
* Headache
* Fatigue
* Abdominal pain
* Diarrhea or constipation
* Vomiting
* Rash
* Delirium
* Intestinal hemorrhage
* Multi-organ failure

Causes:

* Salmonella Typhi bacteria
* Contaminated food or water
* Poor sanitation and hygiene practices
* International travel or contaminated food imports

Treatment:

* Antibiotics
* Supportive care (fluids, electrolytes, pain management)

Prevention:

* Vaccination against typhoid fever
* Proper sanitation and hygiene practices
* Avoiding consumption of contaminated food and water.

Some common poultry diseases include:

1. Avian influenza (bird flu): A highly contagious viral disease that affects birds and can be transmitted to humans.
2. Newcastle disease: A viral disease that causes respiratory and gastrointestinal symptoms in birds.
3. Infectious bronchitis: A viral disease that causes respiratory symptoms in birds.
4. Marek's disease: A viral disease that affects the nervous system of birds.
5. Coccidiosis: A parasitic disease caused by the Eimeria protozoa, which can cause diarrhea and weight loss in birds.
6. Chicken anemia virus: A viral disease that causes anemia and weakened immune systems in chickens.
7. Fowl pox: A viral disease that causes skin lesions and other symptoms in birds.
8. Avian encephalomyelitis (AE): A viral disease that affects the brain and spinal cord of birds, causing neurological symptoms such as paralysis and death.
9. Mycoplasmosis: A bacterial disease caused by the Mycoplasma bacteria, which can cause respiratory and other symptoms in birds.
10. Aspergillosis: A fungal disease that affects the respiratory system of birds, causing symptoms such as coughing and difficulty breathing.

Poultry diseases can have a significant impact on bird health and productivity, and can also be transmitted to humans in some cases. It is important for poultry farmers and owners to monitor their flocks closely and take steps to prevent the spread of disease, such as providing clean water and feed, maintaining good hygiene, and vaccinating birds against certain diseases.

Cattle diseases refer to any health issues that affect cattle, including bacterial, viral, and parasitic infections, as well as genetic disorders and environmental factors. These diseases can have a significant impact on the health and productivity of cattle, as well as the livelihoods of farmers and ranchers who rely on them for their livelihood.

Types of Cattle Diseases

There are many different types of cattle diseases, including:

1. Bacterial diseases, such as brucellosis, anthrax, and botulism.
2. Viral diseases, such as bovine viral diarrhea (BVD) and bluetongue.
3. Parasitic diseases, such as heartwater and gapeworm.
4. Genetic disorders, such as polledness and cleft palate.
5. Environmental factors, such as heat stress and nutritional deficiencies.

Symptoms of Cattle Diseases

The symptoms of cattle diseases can vary depending on the specific disease, but may include:

1. Fever and respiratory problems
2. Diarrhea and vomiting
3. Weight loss and depression
4. Swelling and pain in joints or limbs
5. Discharge from the eyes or nose
6. Coughing or difficulty breathing
7. Lameness or reluctance to move
8. Changes in behavior, such as aggression or lethargy

Diagnosis and Treatment of Cattle Diseases

Diagnosing cattle diseases can be challenging, as the symptoms may be similar for different conditions. However, veterinarians use a combination of physical examination, laboratory tests, and medical history to make a diagnosis. Treatment options vary depending on the specific disease and may include antibiotics, vaccines, anti-inflammatory drugs, and supportive care such as fluids and nutritional supplements.

Prevention of Cattle Diseases

Preventing cattle diseases is essential for maintaining the health and productivity of your herd. Some preventative measures include:

1. Proper nutrition and hydration
2. Regular vaccinations and parasite control
3. Sanitary living conditions and frequent cleaning
4. Monitoring for signs of illness and seeking prompt veterinary care if symptoms arise
5. Implementing biosecurity measures such as isolating sick animals and quarantining new animals before introduction to the herd.

It is important to work closely with a veterinarian to develop a comprehensive health plan for your cattle herd, as they can provide guidance on vaccination schedules, parasite control methods, and disease prevention strategies tailored to your specific needs.

Conclusion
Cattle diseases can have a significant impact on the productivity and profitability of your herd, as well as the overall health of your animals. It is essential to be aware of the common cattle diseases, their symptoms, diagnosis, treatment, and prevention methods to ensure the health and well-being of your herd.

By working closely with a veterinarian and implementing preventative measures such as proper nutrition and sanitary living conditions, you can help protect your cattle from disease and maintain a productive and profitable herd. Remember, prevention is key when it comes to managing cattle diseases.

The symptoms of visceral leishmaniasis can vary depending on the severity of the infection, but may include:

* Fever
* Fatigue
* Loss of appetite
* Weight loss
* Enlargement of the liver and spleen
* Pain in the abdomen
* Anemia
* Low blood platelet count
* Low white blood cell count

If left untreated, visceral leishmaniasis can be fatal. Treatment is typically with antiparasitic drugs, such as miltefosine or amphotericin B, and supportive care to manage symptoms and prevent complications.

It is important to note that visceral leishmaniasis is a serious and potentially life-threatening condition, and prompt medical attention is necessary for effective treatment and management.

1. Group B streptococcus (GBS): This type of bacterial infection is the leading cause of infections in newborns. GBS can cause a range of complications, including pneumonia, meningitis, and sepsis.
2. Urinary tract infections (UTIs): These are common during pregnancy and can be caused by bacteria such as Escherichia coli (E. coli) or Staphylococcus saprophyticus. UTIs can lead to complications such as preterm labor and low birth weight.
3. HIV: Pregnant women who are infected with HIV can pass the virus to their baby during pregnancy, childbirth, or breastfeeding.
4. Toxoplasmosis: This is an infection caused by a parasite that can be transmitted to the fetus through the placenta. Toxoplasmosis can cause a range of complications, including birth defects and stillbirth.
5. Listeriosis: This is a rare infection caused by eating contaminated food, such as soft cheeses or hot dogs. Listeriosis can cause complications such as miscarriage, stillbirth, and premature labor.
6. Influenza: Pregnant women who contract the flu can be at higher risk for complications such as pneumonia and hospitalization.
7. Herpes simplex virus (HSV): This virus can cause complications such as preterm labor, low birth weight, and neonatal herpes.
8. Human parvovirus (HPV): This virus can cause complications such as preterm labor, low birth weight, and stillbirth.
9. Syphilis: This is a sexually transmitted infection that can be passed to the fetus during pregnancy, leading to complications such as stillbirth, premature birth, and congenital syphilis.
10. Chickenpox: Pregnant women who contract chickenpox can be at higher risk for complications such as preterm labor and low birth weight.

It's important to note that the risks associated with these infections are relatively low, and many pregnant women who contract them will have healthy pregnancies and healthy babies. However, it's still important to be aware of the risks and take steps to protect yourself and your baby.

Here are some ways to reduce your risk of infection during pregnancy:

1. Practice good hygiene: Wash your hands frequently, especially before preparing or eating food.
2. Avoid certain foods: Avoid consuming raw or undercooked meat, eggs, and dairy products, as well as unpasteurized juices and soft cheeses.
3. Get vaccinated: Get vaccinated against infections such as the flu and HPV.
4. Practice safe sex: Use condoms or other forms of barrier protection to prevent the spread of STIs.
5. Avoid close contact with people who are sick: If someone in your household is sick, try to avoid close contact with them if possible.
6. Keep your environment clean: Regularly clean and disinfect surfaces and objects that may be contaminated with germs.
7. Manage stress: High levels of stress can weaken your immune system and make you more susceptible to infection.
8. Get enough rest: Adequate sleep is essential for maintaining a healthy immune system.
9. Stay hydrated: Drink plenty of water throughout the day to help flush out harmful bacteria and viruses.
10. Consider taking prenatal vitamins: Prenatal vitamins can help support your immune system and overall health during pregnancy.

Remember, it's always better to be safe than sorry, so if you suspect that you may have been exposed to an infection or are experiencing symptoms of an infection during pregnancy, contact your healthcare provider right away. They can help determine the appropriate course of action and ensure that you and your baby stay healthy.

Symptoms of influenza include:

* Fever (usually high)
* Cough
* Sore throat
* Runny or stuffy nose
* Headache
* Muscle or body aches
* Fatigue (tiredness)
* Diarrhea and nausea (more common in children than adults)

Influenza can lead to serious complications, such as pneumonia, bronchitis, and sinus and ear infections. These complications are more likely to occur in people who have a weakened immune system, such as the elderly, young children, and people with certain chronic health conditions (like heart disease, diabetes, and lung disease).

Influenza is diagnosed based on a physical examination and medical history. A healthcare provider may also use a rapid influenza test (RIT) or a polymerase chain reaction (PCR) test to confirm the diagnosis.

Treatment for influenza typically involves rest, hydration, and over-the-counter medications such as acetaminophen (Tylenol) or ibuprofen (Advil, Motrin) to relieve fever and body aches. Antiviral medications, such as oseltamivir (Tamiflu) or zanamivir (Relenza), may also be prescribed to help shorten the duration and severity of the illness. However, these medications are most effective when started within 48 hours of the onset of symptoms.

Prevention is key in avoiding influenza. Vaccination is the most effective way to prevent influenza, as well as practicing good hygiene such as washing your hands frequently, avoiding close contact with people who are sick, and staying home when you are sick.

The symptoms of listeriosis can vary depending on the severity of the infection and the individual's overall health. Mild cases may present with flu-like symptoms, such as fever, headache, and muscle aches, while severe cases can lead to meningitis, encephalitis, and even death.

Diagnosis is typically made through a combination of physical examination, medical history, and laboratory tests, such as blood cultures or PCR (polymerase chain reaction) tests. Treatment typically involves antibiotics, and prompt treatment can significantly reduce the risk of serious complications and death.

Prevention measures include avoiding high-risk foods, such as soft cheeses and hot dogs, and maintaining good hygiene practices, such as washing hands and surfaces regularly. Vaccination against Listeria is not available, but efforts to improve food safety and sanitation can help reduce the risk of listeriosis outbreaks.

Overall, while listeriosis is a serious infection, prompt diagnosis and treatment can significantly improve outcomes for those affected.

Epidemiology:

* Incidence: Small cell carcinoma (SCC) accounts for approximately 10%-15% of all skin cancers, but it is more common in certain populations such as fair-skinned individuals and those with a history of sun exposure.
* Prevalence: The prevalence of SCC is difficult to determine due to its rarity, but it is believed to be more common in certain geographic regions such as Australia and New Zealand.

Clinical features:

* Appearance: Small cell carcinoma usually appears as a firm, shiny nodule or plaque on sun-exposed areas of the skin, such as the face, ears, lips, and hands. It can also occur in other parts of the body, including the mucous membranes.
* Color: The color of SCC can range from pink to red to purple, and it may be covered with a crust or scab.
* Dimensions: SCC usually measures between 1-5 cm in diameter, but it can be larger in some cases.
* Surface: The surface of SCC may be smooth or rough, and it may have a "pearly" appearance due to the presence of small, white, and shiny nodules called "heidlebergs."

Differential diagnosis:

* Other types of skin cancer, such as basal cell carcinoma and squamous cell carcinoma.
* Other diseases that can cause similar symptoms and appearance, such as psoriasis, eczema, and actinic keratosis.

Treatment:

* Surgical excision: Small cell carcinoma is usually treated with surgical excision, which involves removing the tumor and some surrounding tissue.
* Radiation therapy: In some cases, radiation therapy may be used after surgical excision to ensure that all cancer cells are eliminated.
* Topical treatments: For more superficial SCC, topical treatments such as imiquimod cream or podofilox solution may be effective.

Prognosis:

* The prognosis for small cell carcinoma is generally good if it is detected and treated early.
* However, if left untreated, SCC can invade surrounding tissues and organs, leading to serious complications and potentially fatal outcomes.

Complications:

* Invasion of surrounding tissues and organs.
* Spread of cancer cells to other parts of the body (metastasis).
* Scarring and disfigurement.
* Infection and inflammation.

There are several key features of inflammation:

1. Increased blood flow: Blood vessels in the affected area dilate, allowing more blood to flow into the tissue and bringing with it immune cells, nutrients, and other signaling molecules.
2. Leukocyte migration: White blood cells, such as neutrophils and monocytes, migrate towards the site of inflammation in response to chemical signals.
3. Release of mediators: Inflammatory mediators, such as cytokines and chemokines, are released by immune cells and other cells in the affected tissue. These molecules help to coordinate the immune response and attract more immune cells to the site of inflammation.
4. Activation of immune cells: Immune cells, such as macrophages and T cells, become activated and start to phagocytose (engulf) pathogens or damaged tissue.
5. Increased heat production: Inflammation can cause an increase in metabolic activity in the affected tissue, leading to increased heat production.
6. Redness and swelling: Increased blood flow and leakiness of blood vessels can cause redness and swelling in the affected area.
7. Pain: Inflammation can cause pain through the activation of nociceptors (pain-sensing neurons) and the release of pro-inflammatory mediators.

Inflammation can be acute or chronic. Acute inflammation is a short-term response to injury or infection, which helps to resolve the issue quickly. Chronic inflammation is a long-term response that can cause ongoing damage and diseases such as arthritis, asthma, and cancer.

There are several types of inflammation, including:

1. Acute inflammation: A short-term response to injury or infection.
2. Chronic inflammation: A long-term response that can cause ongoing damage and diseases.
3. Autoimmune inflammation: An inappropriate immune response against the body's own tissues.
4. Allergic inflammation: An immune response to a harmless substance, such as pollen or dust mites.
5. Parasitic inflammation: An immune response to parasites, such as worms or fungi.
6. Bacterial inflammation: An immune response to bacteria.
7. Viral inflammation: An immune response to viruses.
8. Fungal inflammation: An immune response to fungi.

There are several ways to reduce inflammation, including:

1. Medications such as nonsteroidal anti-inflammatory drugs (NSAIDs), corticosteroids, and disease-modifying anti-rheumatic drugs (DMARDs).
2. Lifestyle changes, such as a healthy diet, regular exercise, stress management, and getting enough sleep.
3. Alternative therapies, such as acupuncture, herbal supplements, and mind-body practices.
4. Addressing underlying conditions, such as hormonal imbalances, gut health issues, and chronic infections.
5. Using anti-inflammatory compounds found in certain foods, such as omega-3 fatty acids, turmeric, and ginger.

It's important to note that chronic inflammation can lead to a range of health problems, including:

1. Arthritis
2. Diabetes
3. Heart disease
4. Cancer
5. Alzheimer's disease
6. Parkinson's disease
7. Autoimmune disorders, such as lupus and rheumatoid arthritis.

Therefore, it's important to manage inflammation effectively to prevent these complications and improve overall health and well-being.

Coinfection can be caused by various factors, including:

1. Exposure to multiple pathogens: When an individual is exposed to multiple sources of infection, such as contaminated food or water, they may contract multiple pathogens simultaneously.
2. Weakened immune system: A compromised immune system can make it more difficult for the body to fight off infections, making it more susceptible to coinfection.
3. Increased opportunities for transmission: In some situations, such as in healthcare settings or during travel to areas with high infection rates, individuals may be more likely to come into contact with multiple pathogens.

Examples of common coinfections include:

1. HIV and tuberculosis (TB): TB is a common opportunistic infection that affects individuals with HIV/AIDS.
2. Malaria and bacterial infections: In areas where malaria is prevalent, individuals may also be at risk for bacterial infections such as pneumonia or diarrhea.
3. Influenza and Streptococcus pneumoniae: During flu season, individuals may be more susceptible to both influenza and bacterial infections such as pneumonia.

Coinfection can have significant consequences for an individual's health, including increased morbidity and mortality. Treatment of coinfections often requires a combination of antimicrobial therapies targeting each pathogen, as well as supportive care to manage symptoms and prevent complications.

Preventing coinfection is important for maintaining good health, especially in individuals with compromised immune systems. This can include:

1. Practicing good hygiene: Washing hands regularly and avoiding close contact with individuals who are sick can help reduce the risk of infection.
2. Getting vaccinated: Vaccines can protect against certain infections, such as influenza and pneumococcal disease.
3. Taking antimicrobial prophylaxis: In some cases, taking antibiotics or other antimicrobial drugs may be recommended to prevent infection in individuals who are at high risk of coinfection.
4. Managing underlying conditions: Effectively managing conditions such as HIV/AIDS, diabetes, and heart disease can help reduce the risk of infection and coinfection.
5. Avoiding risky behaviors: Avoiding risky behaviors such as sharing needles or engaging in unprotected sex can help reduce the risk of infection and coinfection.

There are two types of hypertension:

1. Primary Hypertension: This type of hypertension has no identifiable cause and is also known as essential hypertension. It accounts for about 90% of all cases of hypertension.
2. Secondary Hypertension: This type of hypertension is caused by an underlying medical condition or medication. It accounts for about 10% of all cases of hypertension.

Some common causes of secondary hypertension include:

* Kidney disease
* Adrenal gland disorders
* Hormonal imbalances
* Certain medications
* Sleep apnea
* Cocaine use

There are also several risk factors for hypertension, including:

* Age (the risk increases with age)
* Family history of hypertension
* Obesity
* Lack of exercise
* High sodium intake
* Low potassium intake
* Stress

Hypertension is often asymptomatic, and it can cause damage to the blood vessels and organs over time. Some potential complications of hypertension include:

* Heart disease (e.g., heart attacks, heart failure)
* Stroke
* Kidney disease (e.g., chronic kidney disease, end-stage renal disease)
* Vision loss (e.g., retinopathy)
* Peripheral artery disease

Hypertension is typically diagnosed through blood pressure readings taken over a period of time. Treatment for hypertension may include lifestyle changes (e.g., diet, exercise, stress management), medications, or a combination of both. The goal of treatment is to reduce the risk of complications and improve quality of life.

1. Malaria: A disease caused by a parasite that is transmitted through the bite of an infected mosquito. It can cause fever, chills, and flu-like symptoms.
2. Giardiasis: A disease caused by a parasite that is found in contaminated food and water. It can cause diarrhea, abdominal cramps, and weight loss.
3. Toxoplasmosis: A disease caused by a parasite that is transmitted through the consumption of contaminated meat or cat feces. It can cause fever, headache, and swollen lymph nodes.
4. Leishmaniasis: A group of diseases caused by a parasite that is transmitted through the bite of an infected sandfly. It can cause skin sores, fatigue, and weight loss.
5. Chagas disease: A disease caused by a parasite that is transmitted through the bite of an infected triatomine bug. It can cause heart problems, digestive issues, and brain damage.
6. Trichomoniasis: A disease caused by a parasite that is transmitted through sexual contact with an infected person. It can cause vaginal itching, burning during urination, and abnormal vaginal discharge.
7. Cryptosporidiosis: A disease caused by a parasite that is found in contaminated water and food. It can cause diarrhea, vomiting, and stomach cramps.
8. Amoebiasis: A disease caused by a parasite that is found in contaminated water and food. It can cause diarrhea, abdominal pain, and rectal bleeding.
9. Babesiosis: A disease caused by a parasite that is transmitted through the bite of an infected blacklegged tick. It can cause fever, chills, and fatigue.
10. Angiostrongyliasis: A disease caused by a parasite that is transmitted through the ingestion of raw or undercooked snails or slugs. It can cause eosinophilic meningitis, which is an inflammation of the membranes covering the brain and spinal cord.

It's important to note that these are just a few examples of parasitic diseases, and there are many more out there. Additionally, while some of these diseases can be treated with antiparasitic medications, others may require long-term management and supportive care. It's important to seek medical attention if you suspect that you have been infected with a parasite or if you experience any symptoms that could be related to a parasitic infection.

Candidemia can cause a range of symptoms, including fever, chills, rapid heart rate, and confusion. In severe cases, it can lead to organ failure and death. Treatment typically involves the use of antifungal medications, and in some cases, hospitalization is necessary to manage the infection and monitor the patient's condition.

Preventative measures to reduce the risk of developing candidemia include proper handwashing and hygiene, avoiding close contact with people who are sick, and ensuring that medical equipment and surfaces are properly cleaned and disinfected. Early detection and treatment can significantly improve outcomes for patients with candidemia.

There are two main forms of the disease, depending on the species of parasite and the location where the infection is acquired:

* T. b. rhodesiense infection is found primarily in East and Southern Africa, and is characterized by a more severe form of the disease. Symptoms can include fever, headache, joint pain, and skin rashes, as well as swelling of the lymph nodes and spleen. If left untreated, the disease can progress to a more advanced stage, characterized by neurological symptoms such as confusion, seizures, and coma.
* T. b. gambiense infection is found primarily in West and Central Africa, and is characterized by a milder form of the disease. Symptoms can include fever, joint pain, and skin rashes, as well as swelling of the lymph nodes and spleen.

Both forms of the disease are treatable with antiparasitic drugs, but if left untreated, they can be fatal. Diagnosis is typically made through a combination of physical examination, laboratory tests, and imaging studies such as ultrasound or CT scans. Treatment is usually with melarsoprol or eflornithine, and in some cases, surgery may be necessary to remove affected tissue or organs.

Prevention of trypanosomiasis involves controlling the population of tsetse flies through the use of insecticides, traps, and other methods, as well as educating people about how to avoid being bitten by infected flies. There is also ongoing research into the development of a vaccine against trypanosomiasis.

In LLCB, the B cells undergo a mutation that causes them to become cancerous and multiply rapidly. This can lead to an overproduction of these cells in the bone marrow, causing the bone marrow to become crowded and unable to produce healthy red blood cells, platelets, and white blood cells.

LLCB is typically a slow-growing cancer, and it can take years for symptoms to develop. However, as the cancer progresses, it can lead to a range of symptoms including fatigue, weakness, weight loss, fever, night sweats, and swollen lymph nodes.

LLCB is typically diagnosed through a combination of physical examination, blood tests, bone marrow biopsy, and imaging studies such as X-rays or CT scans. Treatment options for LLCB include chemotherapy, radiation therapy, and in some cases, stem cell transplantation.

Overall, while LLCB is a serious condition, it is typically slow-growing and can be managed with appropriate treatment. With current treatments, many people with LLCB can achieve long-term remission and a good quality of life.

There are several possible causes of hyperglycemia, including:

1. Diabetes: This is a chronic condition where the body either does not produce enough insulin or cannot use insulin effectively.
2. Insulin resistance: This occurs when the body's cells become less responsive to insulin, leading to high blood sugar levels.
3. Pancreatitis: This is inflammation of the pancreas, which can lead to high blood sugar levels.
4. Cushing's syndrome: This is a rare hormonal disorder that can cause high blood sugar levels.
5. Medications: Certain medications, such as steroids and some types of antidepressants, can raise blood sugar levels.
6. Stress: Stress can cause the release of hormones such as cortisol and adrenaline, which can raise blood sugar levels.
7. Infections: Certain infections, such as pneumonia or urinary tract infections, can cause high blood sugar levels.
8. Trauma: Traumatic injuries can cause high blood sugar levels due to the release of stress hormones.
9. Surgery: Some types of surgery, such as heart bypass surgery, can cause high blood sugar levels.
10. Pregnancy: High blood sugar levels can occur during pregnancy, especially in women who have a history of gestational diabetes.

Hyperglycemia can cause a range of symptoms, including:

1. Increased thirst and urination
2. Fatigue
3. Blurred vision
4. Headaches
5. Cuts or bruises that are slow to heal
6. Tingling or numbness in the hands and feet
7. Dry, itchy skin
8. Flu-like symptoms, such as weakness, dizziness, and stomach pain
9. Recurring skin, gum, or bladder infections
10. Sexual dysfunction in men and women

If left untreated, hyperglycemia can lead to serious complications, including:

1. Diabetic ketoacidosis (DKA): A life-threatening condition that occurs when the body produces high levels of ketones, which are acidic substances that can cause confusion, nausea, and vomiting.
2. Hypoglycemia: Low blood sugar levels that can cause dizziness, confusion, and even loss of consciousness.
3. Nerve damage: High blood sugar levels over an extended period can damage the nerves, leading to numbness, tingling, and pain in the hands and feet.
4. Kidney damage: The kidneys may become overworked and damaged if they are unable to filter out the excess glucose in the blood.
5. Eye damage: High blood sugar levels can cause damage to the blood vessels in the eyes, leading to vision loss and blindness.
6. Cardiovascular disease: Hyperglycemia can increase the risk of cardiovascular disease, including heart attacks, strokes, and peripheral artery disease.
7. Cognitive impairment: Hyperglycemia has been linked to cognitive impairment and an increased risk of dementia.

It is essential to manage hyperglycemia by making lifestyle changes, such as following a healthy diet, regular exercise, and taking medication if prescribed by a healthcare professional. Monitoring blood sugar levels regularly can help identify the signs of hyperglycemia and prevent long-term complications.

Types of experimental neoplasms include:

* Xenografts: tumors that are transplanted into animals from another species, often humans.
* Transgenic tumors: tumors that are created by introducing cancer-causing genes into an animal's genome.
* Chemically-induced tumors: tumors that are caused by exposure to certain chemicals or drugs.

The use of experimental neoplasms in research has led to significant advances in our understanding of cancer biology and the development of new treatments for the disease. However, the use of animals in cancer research is a controversial topic and alternatives to animal models are being developed and implemented.

There are two main types of mastocytoma: cutaneous mastocytoma, which affects the skin, and systemic mastocytosis, which can affect multiple organs throughout the body. Cutaneous mastocytoma typically appears as a firm, raised bump or nodule on the skin, and may be accompanied by itching or other symptoms. Systemic mastocytosis is more serious and can cause a wide range of symptoms, including abdominal pain, diarrhea, fatigue, and anemia.

The exact cause of mastocytoma is not known, but it is believed to be linked to genetic mutations and environmental factors such as exposure to toxins or allergens. Diagnosis is typically made through a combination of physical examination, biopsy, and laboratory tests. Treatment options for mastocytoma include surgery, chemotherapy, and medications to reduce histamine levels.

Prognosis for mastocytoma varies depending on the type and severity of the disease, but in general, the prognosis is good for most patients with this condition. With proper treatment, many patients can achieve long-term remission or even be cured. However, in some cases, mastocytoma can progress to more aggressive forms of cancer, such as mast cell leukemia, which can be difficult to treat and has a poorer prognosis.

Examples of emerging communicable diseases include SARS (severe acute respiratory syndrome), West Nile virus, and HIV/AIDS. These diseases are often difficult to diagnose and treat, and they can spread rapidly due to increased travel and trade, as well as the high level of interconnectedness in today's world.

Emerging communicable diseases can be caused by a variety of factors, such as environmental changes, genetic mutations, or the transmission of diseases from animals to humans. These diseases can also be spread through various routes, including airborne transmission, contact with infected bodily fluids, and vector-borne transmission (such as through mosquitoes or ticks).

To prevent the spread of emerging communicable diseases, it is important to have strong surveillance systems in place to detect and monitor outbreaks, as well as effective public health measures such as vaccination programs, quarantine, and contact tracing. Additionally, research into the causes and transmission mechanisms of these diseases is crucial for developing effective treatments and prevention strategies.

Overall, emerging communicable diseases pose a significant threat to global health security, and it is important for healthcare professionals, policymakers, and the general public to be aware of these diseases and take steps to prevent their spread.

Brain neoplasms can arise from various types of cells in the brain, including glial cells (such as astrocytes and oligodendrocytes), neurons, and vascular tissues. The symptoms of brain neoplasms vary depending on their size, location, and type, but may include headaches, seizures, weakness or numbness in the limbs, and changes in personality or cognitive function.

There are several different types of brain neoplasms, including:

1. Meningiomas: These are benign tumors that arise from the meninges, the thin layers of tissue that cover the brain and spinal cord.
2. Gliomas: These are malignant tumors that arise from glial cells in the brain. The most common type of glioma is a glioblastoma, which is aggressive and hard to treat.
3. Pineal parenchymal tumors: These are rare tumors that arise in the pineal gland, a small endocrine gland in the brain.
4. Craniopharyngiomas: These are benign tumors that arise from the epithelial cells of the pituitary gland and the hypothalamus.
5. Medulloblastomas: These are malignant tumors that arise in the cerebellum, specifically in the medulla oblongata. They are most common in children.
6. Acoustic neurinomas: These are benign tumors that arise on the nerve that connects the inner ear to the brain.
7. Oligodendrogliomas: These are malignant tumors that arise from oligodendrocytes, the cells that produce the fatty substance called myelin that insulates nerve fibers.
8. Lymphomas: These are cancers of the immune system that can arise in the brain and spinal cord. The most common type of lymphoma in the CNS is primary central nervous system (CNS) lymphoma, which is usually a type of B-cell non-Hodgkin lymphoma.
9. Metastatic tumors: These are tumors that have spread to the brain from another part of the body. The most common types of metastatic tumors in the CNS are breast cancer, lung cancer, and melanoma.

These are just a few examples of the many types of brain and spinal cord tumors that can occur. Each type of tumor has its own unique characteristics, such as its location, size, growth rate, and biological behavior. These factors can help doctors determine the best course of treatment for each patient.

Liver neoplasms, also known as liver tumors or hepatic tumors, are abnormal growths of tissue in the liver. These growths can be benign (non-cancerous) or malignant (cancerous). Malignant liver tumors can be primary, meaning they originate in the liver, or metastatic, meaning they spread to the liver from another part of the body.

There are several types of liver neoplasms, including:

1. Hepatocellular carcinoma (HCC): This is the most common type of primary liver cancer and arises from the main cells of the liver (hepatocytes). HCC is often associated with cirrhosis and can be caused by viral hepatitis or alcohol abuse.
2. Cholangiocarcinoma: This type of cancer arises from the cells lining the bile ducts within the liver (cholangiocytes). Cholangiocarcinoma is rare and often diagnosed at an advanced stage.
3. Hemangiosarcoma: This is a rare type of cancer that originates in the blood vessels of the liver. It is most commonly seen in dogs but can also occur in humans.
4. Fibromas: These are benign tumors that arise from the connective tissue of the liver (fibrocytes). Fibromas are usually small and do not spread to other parts of the body.
5. Adenomas: These are benign tumors that arise from the glandular cells of the liver (hepatocytes). Adenomas are usually small and do not spread to other parts of the body.

The symptoms of liver neoplasms vary depending on their size, location, and whether they are benign or malignant. Common symptoms include abdominal pain, fatigue, weight loss, and jaundice (yellowing of the skin and eyes). Diagnosis is typically made through a combination of imaging tests such as CT scans, MRI scans, and ultrasound, and a biopsy to confirm the presence of cancer cells.

Treatment options for liver neoplasms depend on the type, size, location, and stage of the tumor, as well as the patient's overall health. Surgery may be an option for some patients with small, localized tumors, while others may require chemotherapy or radiation therapy to shrink the tumor before surgery can be performed. In some cases, liver transplantation may be necessary.

Prognosis for liver neoplasms varies depending on the type and stage of the cancer. In general, early detection and treatment improve the prognosis, while advanced-stage disease is associated with a poorer prognosis.

The most common types of mycoses include:

1. Ringworm: This is a common fungal infection that causes a ring-shaped rash on the skin. It can affect any part of the body, including the arms, legs, torso, and face.
2. Athlete's foot: This is a common fungal infection that affects the feet, causing itching, redness, and cracking of the skin.
3. Jock itch: This is a fungal infection that affects the groin area and inner thighs, causing itching, redness, and cracking of the skin.
4. Candidiasis: This is a fungal infection caused by Candida, a type of yeast. It can affect various parts of the body, including the mouth, throat, and vagina.
5. Aspergillosis: This is a serious fungal infection that can affect various parts of the body, including the lungs, sinuses, and brain.

Symptoms of mycoses can vary depending on the type of infection and the severity of the infection. Common symptoms include itching, redness, swelling, and cracking of the skin. Treatment for mycoses usually involves antifungal medications, which can be applied topically or taken orally. In severe cases, hospitalization may be necessary to monitor and treat the infection.

Preventive measures for mycoses include practicing good hygiene, avoiding sharing personal items such as towels and clothing, and using antifungal medications as prescribed by a healthcare professional. Early diagnosis and treatment of mycoses can help prevent complications and reduce the risk of transmission to others.

Sheep diseases can be caused by a variety of factors, including bacteria, viruses, parasites, and environmental factors. Here are some common sheep diseases and their meanings:

1. Scrapie: A fatal neurological disorder that affects sheep and goats, caused by a prion.
2. Ovine Progressive Pneumonia (OPP): A contagious respiratory disease caused by Mycobacterium ovipneumoniae.
3. Maedi-Visna: A slow-progressing pneumonia caused by a retrovirus, which can lead to OPP.
4. Foot-and-Mouth Disease (FMD): A highly contagious viral disease that affects cloven-hoofed animals, including sheep and goats.
5. Bloat: A condition caused by gas accumulation in the rumen, which can lead to abdominal pain and death if not treated promptly.
6. Pneumonia: An inflammation of the lungs, often caused by bacteria or viruses.
7. Cryptosporidiosis: A diarrheal disease caused by Cryptosporidium parvum, which can be fatal in young lambs.
8. Babesiosis: A blood parasitic disease caused by Babesia oviparasites, which can lead to anemia and death if left untreated.
9. Fascioliasis: A liver fluke infection that can cause anemia, jaundice, and liver damage.
10. Anthrax: A serious bacterial disease caused by Bacillus anthracis, which can be fatal if left untreated.

Sheep diseases can have a significant impact on the health and productivity of flocks, as well as the economy of sheep farming. It is important for sheep farmers to be aware of these diseases and take appropriate measures to prevent and control them.

There are several risk factors for developing HCC, including:

* Cirrhosis, which can be caused by heavy alcohol consumption, viral hepatitis (such as hepatitis B and C), or fatty liver disease
* Family history of liver disease
* Chronic obstructive pulmonary disease (COPD)
* Diabetes
* Obesity

HCC can be challenging to diagnose, as the symptoms are non-specific and can be similar to those of other conditions. However, some common symptoms of HCC include:

* Yellowing of the skin and eyes (jaundice)
* Fatigue
* Loss of appetite
* Abdominal pain or discomfort
* Weight loss

If HCC is suspected, a doctor may perform several tests to confirm the diagnosis, including:

* Imaging tests, such as ultrasound, CT scan, or MRI, to look for tumors in the liver
* Blood tests to check for liver function and detect certain substances that are produced by the liver
* Biopsy, which involves removing a small sample of tissue from the liver to examine under a microscope

Once HCC is diagnosed, treatment options will depend on several factors, including the stage and location of the cancer, the patient's overall health, and their personal preferences. Treatment options may include:

* Surgery to remove the tumor or parts of the liver
* Ablation, which involves destroying the cancer cells using heat or cold
* Chemoembolization, which involves injecting chemotherapy drugs into the hepatic artery to reach the cancer cells
* Targeted therapy, which uses drugs or other substances to target specific molecules that are involved in the growth and spread of the cancer

Overall, the prognosis for HCC is poor, with a 5-year survival rate of approximately 20%. However, early detection and treatment can improve outcomes. It is important for individuals at high risk for HCC to be monitored regularly by a healthcare provider, and to seek medical attention if they experience any symptoms.

Symptoms of wound infection may include:

* Redness, swelling, or increased pain around the wound
* Increased drainage or pus from the wound
* Bad smell or discharge from the wound
* Fever or chills
* Swollen lymph nodes

Treatment of wound infection usually involves antibiotics and may require surgical intervention to remove infected tissue. It is important to practice good wound care, such as keeping the wound clean and dry, changing dressings regularly, and monitoring for signs of infection to prevent the development of a wound infection.

Preventive measures include:

* Proper sterilization and technique during surgery or medical procedures
* Keeping the wound site clean and dry
* Removing any dead tissue or debris from the wound
* Using antibiotic ointment or cream to prevent infection
* Covering the wound with a sterile dressing

If you suspect that you have a wound infection, it is important to seek medical attention as soon as possible. A healthcare professional can evaluate the wound and provide appropriate treatment to prevent further complications.

There are several types of tooth fractures, including:

1. Vertical fractures: These occur when the tooth breaks vertically and can affect one or more layers of the tooth.
2. Horizontal fractures: These occur when the tooth breaks horizontally and can affect the enamel, dentin, or cementum layers.
3. Oblique fractures: These occur when the tooth breaks at an angle and can affect multiple layers of the tooth.
4. Root fractures: These occur when the root of the tooth becomes cracked or broken.
5. Crown-root fractures: These occur when the crown (the visible part of the tooth) and the root become separated.

Tooth fractures can cause symptoms such as pain, sensitivity to temperature or sweetness, difficulty chewing or biting, and discomfort when speaking or opening the mouth. Treatment options for tooth fractures depend on the severity of the injury and may include dental fillings, crowns, root canals, or extraction.

It is important to seek professional dental care as soon as possible if you suspect that you have a tooth fracture, as early treatment can help prevent further damage and restore the tooth to its normal function and appearance.

There are several types of gliomas, including:

1. Astrocytoma: This is the most common type of glioma, accounting for about 50% of all cases. It arises from the star-shaped cells called astrocytes that provide support and nutrients to the brain's nerve cells.
2. Oligodendroglioma: This type of glioma originates from the oligodendrocytes, which are responsible for producing the fatty substance called myelin that insulates the nerve fibers.
3. Glioblastoma (GBM): This is the most aggressive and malignant type of glioma, accounting for about 70% of all cases. It is fast-growing and often spreads to other parts of the brain.
4. Brain stem glioma: This type of glioma arises in the brain stem, which is responsible for controlling many of the body's vital functions such as breathing, heart rate, and blood pressure.

The symptoms of glioma depend on the location and size of the tumor. Common symptoms include headaches, seizures, weakness or numbness in the arms or legs, and changes in personality, memory, or speech.

Gliomas are diagnosed through a combination of imaging tests such as CT or MRI scans, and tissue biopsy to confirm the presence of cancer cells. Treatment options for glioma depend on the type and location of the tumor, as well as the patient's overall health. Surgery is often the first line of treatment to remove as much of the tumor as possible, followed by radiation therapy and/or chemotherapy to kill any remaining cancer cells.

The prognosis for glioma patients varies depending on the type and location of the tumor, as well as the patient's overall health. In general, the prognosis is better for patients with slow-growing, low-grade tumors, while those with fast-growing, high-grade tumors have a poorer prognosis. Overall, the 5-year survival rate for glioma patients is around 30-40%.

Explanation: Genetic predisposition to disease is influenced by multiple factors, including the presence of inherited genetic mutations or variations, environmental factors, and lifestyle choices. The likelihood of developing a particular disease can be increased by inherited genetic mutations that affect the functioning of specific genes or biological pathways. For example, inherited mutations in the BRCA1 and BRCA2 genes increase the risk of developing breast and ovarian cancer.

The expression of genetic predisposition to disease can vary widely, and not all individuals with a genetic predisposition will develop the disease. Additionally, many factors can influence the likelihood of developing a particular disease, such as environmental exposures, lifestyle choices, and other health conditions.

Inheritance patterns: Genetic predisposition to disease can be inherited in an autosomal dominant, autosomal recessive, or multifactorial pattern, depending on the specific disease and the genetic mutations involved. Autosomal dominant inheritance means that a single copy of the mutated gene is enough to cause the disease, while autosomal recessive inheritance requires two copies of the mutated gene. Multifactorial inheritance involves multiple genes and environmental factors contributing to the development of the disease.

Examples of diseases with a known genetic predisposition:

1. Huntington's disease: An autosomal dominant disorder caused by an expansion of a CAG repeat in the Huntingtin gene, leading to progressive neurodegeneration and cognitive decline.
2. Cystic fibrosis: An autosomal recessive disorder caused by mutations in the CFTR gene, leading to respiratory and digestive problems.
3. BRCA1/2-related breast and ovarian cancer: An inherited increased risk of developing breast and ovarian cancer due to mutations in the BRCA1 or BRCA2 genes.
4. Sickle cell anemia: An autosomal recessive disorder caused by a point mutation in the HBB gene, leading to defective hemoglobin production and red blood cell sickling.
5. Type 1 diabetes: An autoimmune disease caused by a combination of genetic and environmental factors, including multiple genes in the HLA complex.

Understanding the genetic basis of disease can help with early detection, prevention, and treatment. For example, genetic testing can identify individuals who are at risk for certain diseases, allowing for earlier intervention and preventive measures. Additionally, understanding the genetic basis of a disease can inform the development of targeted therapies and personalized medicine."


Treatment involves administration of anti-TB drugs, usually in combination with supportive care to manage symptoms and prevent complications such as seizures and brain damage. Treatment can take several months and must be completed even if symptoms improve before finishing treatment.

Prevention is difficult because TB bacteria are often resistant to standard antibiotics, so it's important for individuals with HIV or other conditions that weaken the immune system to avoid exposure to TB bacteria whenever possible and receive regular screening tests.

1. Irregular menstrual cycles, or amenorrhea (the absence of periods).
2. Cysts on the ovaries, which are fluid-filled sacs that can be detected by ultrasound.
3. Elevated levels of androgens (male hormones) in the body, which can cause a range of symptoms including acne, excessive hair growth, and male pattern baldness.
4. Insulin resistance, which is a condition in which the body's cells do not respond properly to insulin, leading to high blood sugar levels.

PCOS is a complex disorder, and there is no single cause. However, genetics, hormonal imbalances, and insulin resistance are thought to play a role in its development. It is estimated that 5-10% of women of childbearing age have PCOS, making it one of the most common endocrine disorders affecting women.

There are several symptoms of PCOS, including:

1. Irregular menstrual cycles or amenorrhea
2. Weight gain or obesity
3. Acne
4. Excessive hair growth on the face, chest, and back
5. Male pattern baldness
6. Infertility or difficulty getting pregnant
7. Mood changes, such as depression and anxiety
8. Sleep apnea

PCOS can be diagnosed through a combination of physical examination, medical history, and laboratory tests, including:

1. Pelvic exam: A doctor will examine the ovaries and uterus to look for cysts or other abnormalities.
2. Ultrasound: An ultrasound can be used to detect cysts on the ovaries and to evaluate the thickness of the uterine lining.
3. Hormone testing: Blood tests can be used to measure levels of androgens, estrogen, and progesterone.
4. Glucose tolerance test: This test is used to check for insulin resistance, which is a common finding in women with PCOS.
5. Laparoscopy: A small camera inserted through a small incision in the abdomen can be used to visualize the ovaries and uterus and to diagnose PCOS.

There is no cure for PCOS, but it can be managed with lifestyle changes and medication. Treatment options include:

1. Weight loss: Losing weight can improve insulin sensitivity and reduce androgen levels.
2. Hormonal birth control: Birth control pills or other hormonal contraceptives can help regulate menstrual cycles and reduce androgen levels.
3. Fertility medications: Clomiphene citrate and letrozole are commonly used to stimulate ovulation in women with PCOS.
4. Injectable fertility medications: Gonadotropins, such as follicle-stimulating hormone (FSH) and luteinizing hormone (LH), can be used to stimulate ovulation.
5. Surgery: Laparoscopic ovarian drilling or laser surgery can improve ovulation and fertility in women with PCOS.
6. Assisted reproductive technology (ART): In vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI) can be used to help women with PCOS conceive.
7. Alternative therapies: Some complementary and alternative therapies, such as acupuncture and herbal supplements, may be helpful in managing symptoms of PCOS.

It is important for women with PCOS to work closely with their healthcare provider to develop a treatment plan that meets their individual needs and goals. With appropriate treatment, many women with PCOS can improve their menstrual regularity, fertility, and overall health.

Examples of 'Mammary Neoplasms, Experimental' in a sentence:

1. The researchers studied the effects of hormone therapy on mammary neoplasms in experimental animals to better understand its potential role in human breast cancer.
2. The lab used mice with genetic mutations that predispose them to developing mammary neoplasms to test the efficacy of new cancer drugs.
3. In order to investigate the link between obesity and breast cancer, the researchers conducted experiments on mammary neoplasms in rats with diet-induced obesity.

Malignant prostatic neoplasms are cancerous tumors that can be aggressive and spread to other parts of the body (metastasize). The most common type of malignant prostatic neoplasm is adenocarcinoma of the prostate, which accounts for approximately 95% of all prostate cancers. Other types of malignant prostatic neoplasms include sarcomas and small cell carcinomas.

Prostatic neoplasms can be diagnosed through a variety of tests such as digital rectal examination (DRE), prostate-specific antigen (PSA) test, imaging studies (ultrasound, CT scan or MRI), and biopsy. Treatment options for prostatic neoplasms depend on the type, stage, and grade of the tumor, as well as the patient's age and overall health. Treatment options can include active surveillance, surgery (robotic-assisted laparoscopic prostatectomy or open prostatectomy), radiation therapy (external beam radiation therapy or brachytherapy), and hormone therapy.

In summary, Prostatic Neoplasms are tumors that occur in the prostate gland, which can be benign or malignant. The most common types of malignant prostatic neoplasms are adenocarcinoma of the prostate, and other types include sarcomas and small cell carcinomas. Diagnosis is done through a variety of tests, and treatment options depend on the type, stage, and grade of the tumor, as well as the patient's age and overall health.

The exact cause of fibrosarcoma is not known, but it is believed to be linked to genetic mutations that occur during a person's lifetime. Some risk factors for developing fibrosarcoma include previous radiation exposure, chronic inflammation, and certain inherited conditions such as neurofibromatosis type 1 (NF1).

The symptoms of fibrosarcoma can vary depending on the location and size of the tumor. In some cases, there may be no symptoms until the tumor has grown to a significant size. Common symptoms include pain, swelling, and limited mobility in the affected limb. If the tumor is near a nerve, it can also cause numbness or tingling sensations in the affected area.

Diagnosis of fibrosarcoma typically involves a combination of imaging tests such as X-rays, CT scans, and MRI scans, as well as a biopsy to confirm the presence of cancer cells. Treatment options for fibrosarcoma may include surgery, radiation therapy, and chemotherapy, depending on the size and location of the tumor, as well as the patient's overall health.

Prognosis for fibrosarcoma is generally good if the tumor is caught early and treated aggressively. However, if the cancer has spread to other parts of the body (metastasized), the prognosis is generally poorer. In some cases, the cancer can recur after treatment, so it is important for patients to follow their doctor's recommendations for regular check-ups and follow-up testing.

Overall, fibrosarcoma is a rare and aggressive form of cancer that can be challenging to diagnose and treat. However, with early detection and appropriate treatment, many people with this condition can achieve long-term survival and a good quality of life.

Example Sentence: The patient was diagnosed with pulmonary hypertension and began treatment with medication to lower her blood pressure and improve her symptoms.

Word class: Noun phrase / medical condition

The symptoms of T-cell leukemia can vary depending on the severity of the disease, but they may include:

* Fatigue
* Weakness
* Frequent infections
* Easy bruising or bleeding
* Swollen lymph nodes
* Pain in the bones or joints
* Headaches
* Confusion or seizures (in severe cases)

T-cell leukemia is diagnosed through a combination of physical examination, blood tests, and bone marrow biopsy. Treatment typically involves chemotherapy and/or radiation therapy to kill cancer cells and restore the body's normal production of blood cells. In some cases, bone marrow transplantation may be recommended.

The prognosis for T-cell leukemia varies depending on the patient's age and overall health, as well as the aggressiveness of the disease. However, with current treatments, the 5-year survival rate is around 70% for children and adolescents, and around 40% for adults.

It's important to note that T-cell leukemia is relatively rare compared to other types of leukemia, such as acute myeloid leukemia (AML) or chronic lymphocytic leukemia (CLL). However, it can be a very aggressive and difficult-to-treat form of cancer, and patients with T-cell leukemia often require intensive treatment and close follow-up care.

There are several subtypes of carcinoma, including:

1. Adenocarcinoma: This type of carcinoma originates in glandular cells, which produce fluids or mucus. Examples include breast cancer, prostate cancer, and colon cancer.
2. Squamous cell carcinoma: This type of carcinoma originates in squamous cells, which are found on the surface layers of skin and mucous membranes. Examples include head and neck cancers, cervical cancer, and anal cancer.
3. Basal cell carcinoma: This type of carcinoma originates in the deepest layer of skin, called the basal layer. It is the most common type of skin cancer and tends to grow slowly.
4. Neuroendocrine carcinoma: This type of carcinoma originates in cells that produce hormones and neurotransmitters. Examples include lung cancer, pancreatic cancer, and thyroid cancer.
5. Small cell carcinoma: This type of carcinoma is a highly aggressive form of lung cancer that spreads quickly to other parts of the body.

The signs and symptoms of carcinoma depend on the location and stage of the cancer. Some common symptoms include:

* A lump or mass
* Pain
* Skin changes, such as a new mole or a change in the color or texture of the skin
* Changes in bowel or bladder habits
* Abnormal bleeding

The diagnosis of carcinoma typically involves a combination of imaging tests, such as X-rays, CT scans, MRI scans, and PET scans, and a biopsy, which involves removing a small sample of tissue for examination under a microscope. Treatment options for carcinoma depend on the location and stage of the cancer and may include surgery, radiation therapy, chemotherapy, or a combination of these.

In conclusion, carcinoma is a type of cancer that originates in epithelial cells and can occur in various parts of the body. Early detection and treatment are important for improving outcomes.

References:

1. American Cancer Society. (2022). Carcinoma. Retrieved from
2. Mayo Clinic. (2022). Carcinoma. Retrieved from
3. MedlinePlus. (2022). Carcinoma. Retrieved from

Glioblastomas are highly malignant tumors that can grow rapidly and infiltrate surrounding brain tissue, making them difficult to remove surgically. They often recur after treatment and are usually fatal within a few years of diagnosis.

The symptoms of glioblastoma can vary depending on the location and size of the tumor but may include headaches, seizures, weakness or numbness in the arms or legs, and changes in personality, memory or cognitive function.

Glioblastomas are diagnosed through a combination of imaging tests such as CT or MRI scans, and a biopsy to confirm the presence of cancerous cells. Treatment typically involves surgery to remove as much of the tumor as possible, followed by radiation therapy and chemotherapy to slow the growth of any remaining cancerous cells.

Prognosis for glioblastoma is generally poor, with a five-year survival rate of around 5% for newly diagnosed patients. However, the prognosis can vary depending on factors such as the location and size of the tumor, the patient's age and overall health, and the effectiveness of treatment.

The infection is usually caused by an overgrowth of Candida, which is a normal flora in the mouth, but can become pathogenic under certain conditions. Risk factors for developing OC include taking antibiotics, wearing dentures, pregnancy, diabetes, and HIV/AIDS.

OC can be diagnosed by examining the mouth and throat with a mirror and torch, as well as through laboratory tests such as cultures or PCR. Treatment typically involves antifungal medication, good oral hygiene practices, and addressing any underlying conditions. In severe cases, hospitalization may be necessary.

Preventative measures include practicing good oral hygiene, avoiding smoking, and managing any underlying medical conditions. In addition, early diagnosis and treatment can help prevent the infection from spreading to other parts of the body, such as the bloodstream or heart.

Some common types of NTM infections include:

* Lung infections
* Skin infections
* Bone and joint infections
* Heart valve infections
* Cystic fibrosis-related infections
* Infections in people with weakened immune systems

NTM infections can be caused by a variety of bacteria, including Mycobacterium avium complex, Mycobacterium intracellulare, and Mycobacterium chelonae. These bacteria are commonly found in soil and water, and they can enter the body through cuts or open wounds, or by being inhaled into the lungs.

Symptoms of NTM infections may include:

* Coughing
* Fever
* Chest pain or discomfort
* Shortness of breath
* Fatigue
* Skin lesions or ulcers

Diagnosis of an NTM infection is typically made through a combination of physical examination, medical history, and laboratory tests, such as cultures or PCR (polymerase chain reaction) tests. Treatment may involve antibiotics, surgery, or a combination of both, depending on the severity and location of the infection.

Preventive measures for NTM infections are not well established, but people with weakened immune systems or those who live in areas with high levels of NTM bacteria in the environment may be advised to take precautions such as avoiding contact with soil and water, wearing protective clothing and gloves when working with soil or water, and practicing good hygiene.

CMV infections are more common in people with weakened immune systems, such as those with HIV/AIDS, cancer, or taking immunosuppressive drugs after an organ transplant. In these individuals, CMV can cause severe and life-threatening complications, such as pneumonia, retinitis (inflammation of the retina), and gastrointestinal disease.

In healthy individuals, CMV infections are usually mild and may not cause any symptoms at all. However, in some cases, CMV can cause a mononucleosis-like illness with fever, fatigue, and swollen lymph nodes.

CMV infections are diagnosed through a combination of physical examination, blood tests, and imaging studies such as CT scans or MRI. Treatment is generally not necessary for mild cases, but may include antiviral medications for more severe infections. Prevention strategies include avoiding close contact with individuals who have CMV, practicing good hygiene, and considering immunoprophylaxis (prevention of infection through the use of immune globulin) for high-risk individuals.

Overall, while CMV infections can be serious and life-threatening, they are relatively rare in healthy individuals and can often be treated effectively with supportive care and antiviral medications.

The common types of RTIs include:

1. Common cold: A viral infection that affects the upper respiratory tract, causing symptoms such as runny nose, sneezing, coughing, and mild fever.
2. Influenza (flu): A viral infection that can affect both the upper and lower respiratory tract, causing symptoms such as fever, cough, sore throat, and body aches.
3. Bronchitis: An inflammation of the bronchial tubes, which can be caused by viruses or bacteria, resulting in symptoms such as coughing, wheezing, and shortness of breath.
4. Pneumonia: An infection of the lungs that can be caused by bacteria, viruses, or fungi, leading to symptoms such as fever, chills, coughing, and difficulty breathing.
5. Tonsillitis: An inflammation of the tonsils, which can be caused by bacteria or viruses, resulting in symptoms such as sore throat, difficulty swallowing, and bad breath.
6. Sinusitis: An inflammation of the sinuses, which can be caused by viruses, bacteria, or fungi, leading to symptoms such as headache, facial pain, and nasal congestion.
7. Laryngitis: An inflammation of the larynx (voice box), which can be caused by viruses or bacteria, resulting in symptoms such as hoarseness, loss of voice, and difficulty speaking.

RTIs can be diagnosed through physical examination, medical history, and diagnostic tests such as chest X-rays, blood tests, and nasal swab cultures. Treatment for RTIs depends on the underlying cause and may include antibiotics, antiviral medications, and supportive care to manage symptoms.

It's important to note that RTIs can be contagious and can spread through contact with an infected person or by touching contaminated surfaces. Therefore, it's essential to practice good hygiene, such as washing hands frequently, covering the mouth and nose when coughing or sneezing, and avoiding close contact with people who are sick.

The symptoms of ancylostomiasis can vary depending on the severity of the infection, but they typically include abdominal pain, diarrhea, fatigue, weight loss, and iron deficiency anemia. In severe cases, it can lead to life-threatening complications such as intestinal blockage or bleeding.

The diagnosis of ancylostomiasis is made by identifying the parasites in a stool sample or through blood tests that detect antigens produced by the parasites. Treatment typically involves the use of anthelmintic drugs to kill the parasites, and supportive care to manage symptoms such as diarrhea and anemia. Prevention measures include improving sanitation and personal hygiene, and avoiding contact with contaminated soil or feces.

Pathologic neovascularization can be seen in a variety of conditions, including cancer, diabetic retinopathy, and age-related macular degeneration. In cancer, for example, the formation of new blood vessels can help the tumor grow and spread to other parts of the body. In diabetic retinopathy, the growth of new blood vessels in the retina can cause vision loss and other complications.

There are several different types of pathologic neovascularization, including:

* Angiosarcoma: a type of cancer that arises from the cells lining blood vessels
* Hemangiomas: benign tumors that are composed of blood vessels
* Cavernous malformations: abnormal collections of blood vessels in the brain or other parts of the body
* Pyogenic granulomas: inflammatory lesions that can form in response to trauma or infection.

The diagnosis of pathologic neovascularization is typically made through a combination of physical examination, imaging studies (such as ultrasound, CT scans, or MRI), and biopsy. Treatment options vary depending on the underlying cause of the condition, but may include medications, surgery, or radiation therapy.

In summary, pathologic neovascularization is a process that occurs in response to injury or disease, and it can lead to serious complications. It is important for healthcare professionals to be aware of this condition and its various forms in order to provide appropriate diagnosis and treatment.

There are several types of lymphoma, including:

1. Hodgkin lymphoma: This is a type of lymphoma that originates in the white blood cells called Reed-Sternberg cells. It is characterized by the presence of giant cells with multiple nucleoli.
2. Non-Hodgkin lymphoma (NHL): This is a type of lymphoma that does not meet the criteria for Hodgkin lymphoma. There are many subtypes of NHL, each with its own unique characteristics and behaviors.
3. Cutaneous lymphoma: This type of lymphoma affects the skin and can take several forms, including cutaneous B-cell lymphoma and cutaneous T-cell lymphoma.
4. Primary central nervous system (CNS) lymphoma: This is a rare type of lymphoma that develops in the brain or spinal cord.
5. Post-transplantation lymphoproliferative disorder (PTLD): This is a type of lymphoma that develops in people who have undergone an organ transplant, often as a result of immunosuppressive therapy.

The symptoms of lymphoma can vary depending on the type and location of the cancer. Some common symptoms include:

* Swollen lymph nodes
* Fever
* Fatigue
* Weight loss
* Night sweats
* Itching

Lymphoma is diagnosed through a combination of physical examination, imaging tests (such as CT scans or PET scans), and biopsies. Treatment options for lymphoma depend on the type and stage of the cancer, and may include chemotherapy, radiation therapy, immunotherapy, or stem cell transplantation.

Overall, lymphoma is a complex and diverse group of cancers that can affect people of all ages and backgrounds. While it can be challenging to diagnose and treat, advances in medical technology and research have improved the outlook for many patients with lymphoma.

1. Tumor size and location: Larger tumors that have spread to nearby tissues or organs are generally considered more invasive than smaller tumors that are confined to the original site.
2. Cellular growth patterns: The way in which cancer cells grow and divide can also contribute to the overall invasiveness of a neoplasm. For example, cells that grow in a disorganized or chaotic manner may be more likely to invade surrounding tissues.
3. Mitotic index: The mitotic index is a measure of how quickly the cancer cells are dividing. A higher mitotic index is generally associated with more aggressive and invasive cancers.
4. Necrosis: Necrosis, or the death of cells, can be an indication of the level of invasiveness of a neoplasm. The presence of significant necrosis in a tumor is often a sign that the cancer has invaded surrounding tissues and organs.
5. Lymphovascular invasion: Cancer cells that have invaded lymphatic vessels or blood vessels are considered more invasive than those that have not.
6. Perineural invasion: Cancer cells that have invaded nerve fibers are also considered more invasive.
7. Histological grade: The histological grade of a neoplasm is a measure of how abnormal the cancer cells look under a microscope. Higher-grade cancers are generally considered more aggressive and invasive than lower-grade cancers.
8. Immunohistochemical markers: Certain immunohistochemical markers, such as Ki-67, can be used to evaluate the proliferative activity of cancer cells. Higher levels of these markers are generally associated with more aggressive and invasive cancers.

Overall, the degree of neoplasm invasiveness is an important factor in determining the likelihood of the cancer spreading to other parts of the body (metastasizing) and in determining the appropriate treatment strategy for the patient.

There are several types of diabetes mellitus, including:

1. Type 1 DM: This is an autoimmune condition in which the body's immune system attacks and destroys the cells in the pancreas that produce insulin, resulting in a complete deficiency of insulin production. It typically develops in childhood or adolescence, and patients with this condition require lifelong insulin therapy.
2. Type 2 DM: This is the most common form of diabetes, accounting for around 90% of all cases. It is caused by a combination of insulin resistance (where the body's cells do not respond properly to insulin) and impaired insulin secretion. It is often associated with obesity, physical inactivity, and a diet high in sugar and unhealthy fats.
3. Gestational DM: This type of diabetes develops during pregnancy, usually in the second or third trimester. Hormonal changes and insulin resistance can cause blood sugar levels to rise, putting both the mother and baby at risk.
4. LADA (Latent Autoimmune Diabetes in Adults): This is a form of type 1 DM that develops in adults, typically after the age of 30. It shares features with both type 1 and type 2 DM.
5. MODY (Maturity-Onset Diabetes of the Young): This is a rare form of diabetes caused by genetic mutations that affect insulin production. It typically develops in young adulthood and can be managed with lifestyle changes and/or medication.

The symptoms of diabetes mellitus can vary depending on the severity of the condition, but may include:

1. Increased thirst and urination
2. Fatigue
3. Blurred vision
4. Cuts or bruises that are slow to heal
5. Tingling or numbness in hands and feet
6. Recurring skin, gum, or bladder infections
7. Flu-like symptoms such as weakness, dizziness, and stomach pain
8. Dark, velvety skin patches (acanthosis nigricans)
9. Yellowish color of the skin and eyes (jaundice)
10. Delayed healing of cuts and wounds

If left untreated, diabetes mellitus can lead to a range of complications, including:

1. Heart disease and stroke
2. Kidney damage and failure
3. Nerve damage (neuropathy)
4. Eye damage (retinopathy)
5. Foot damage (neuropathic ulcers)
6. Cognitive impairment and dementia
7. Increased risk of infections and other diseases, such as pneumonia, gum disease, and urinary tract infections.

It is important to note that not all individuals with diabetes will experience these complications, and that proper management of the condition can greatly reduce the risk of developing these complications.

There are different types of anoxia, including:

1. Cerebral anoxia: This occurs when the brain does not receive enough oxygen, leading to cognitive impairment, confusion, and loss of consciousness.
2. Pulmonary anoxia: This occurs when the lungs do not receive enough oxygen, leading to shortness of breath, coughing, and chest pain.
3. Cardiac anoxia: This occurs when the heart does not receive enough oxygen, leading to cardiac arrest and potentially death.
4. Global anoxia: This is a complete lack of oxygen to the entire body, leading to widespread tissue damage and death.

Treatment for anoxia depends on the underlying cause and the severity of the condition. In some cases, hospitalization may be necessary to provide oxygen therapy, pain management, and other supportive care. In severe cases, anoxia can lead to long-term disability or death.

Prevention of anoxia is important, and this includes managing underlying medical conditions such as heart disease, diabetes, and respiratory problems. It also involves avoiding activities that can lead to oxygen deprivation, such as scuba diving or high-altitude climbing, without proper training and equipment.

In summary, anoxia is a serious medical condition that occurs when there is a lack of oxygen in the body or specific tissues or organs. It can cause cell death and tissue damage, leading to serious health complications and even death if left untreated. Early diagnosis and treatment are crucial to prevent long-term disability or death.

The burden of chronic diseases is significant, with over 70% of deaths worldwide attributed to them, according to the World Health Organization (WHO). In addition to the physical and emotional toll they take on individuals and their families, chronic diseases also pose a significant economic burden, accounting for a large proportion of healthcare expenditure.

In this article, we will explore the definition and impact of chronic diseases, as well as strategies for managing and living with them. We will also discuss the importance of early detection and prevention, as well as the role of healthcare providers in addressing the needs of individuals with chronic diseases.

What is a Chronic Disease?

A chronic disease is a condition that lasts for an extended period of time, often affecting daily life and activities. Unlike acute diseases, which have a specific beginning and end, chronic diseases are long-term and persistent. Examples of chronic diseases include:

1. Diabetes
2. Heart disease
3. Arthritis
4. Asthma
5. Cancer
6. Chronic obstructive pulmonary disease (COPD)
7. Chronic kidney disease (CKD)
8. Hypertension
9. Osteoporosis
10. Stroke

Impact of Chronic Diseases

The burden of chronic diseases is significant, with over 70% of deaths worldwide attributed to them, according to the WHO. In addition to the physical and emotional toll they take on individuals and their families, chronic diseases also pose a significant economic burden, accounting for a large proportion of healthcare expenditure.

Chronic diseases can also have a significant impact on an individual's quality of life, limiting their ability to participate in activities they enjoy and affecting their relationships with family and friends. Moreover, the financial burden of chronic diseases can lead to poverty and reduce economic productivity, thus having a broader societal impact.

Addressing Chronic Diseases

Given the significant burden of chronic diseases, it is essential that we address them effectively. This requires a multi-faceted approach that includes:

1. Lifestyle modifications: Encouraging healthy behaviors such as regular physical activity, a balanced diet, and smoking cessation can help prevent and manage chronic diseases.
2. Early detection and diagnosis: Identifying risk factors and detecting diseases early can help prevent or delay their progression.
3. Medication management: Effective medication management is crucial for controlling symptoms and slowing disease progression.
4. Multi-disciplinary care: Collaboration between healthcare providers, patients, and families is essential for managing chronic diseases.
5. Health promotion and disease prevention: Educating individuals about the risks of chronic diseases and promoting healthy behaviors can help prevent their onset.
6. Addressing social determinants of health: Social determinants such as poverty, education, and employment can have a significant impact on health outcomes. Addressing these factors is essential for reducing health disparities and improving overall health.
7. Investing in healthcare infrastructure: Investing in healthcare infrastructure, technology, and research is necessary to improve disease detection, diagnosis, and treatment.
8. Encouraging policy change: Policy changes can help create supportive environments for healthy behaviors and reduce the burden of chronic diseases.
9. Increasing public awareness: Raising public awareness about the risks and consequences of chronic diseases can help individuals make informed decisions about their health.
10. Providing support for caregivers: Chronic diseases can have a significant impact on family members and caregivers, so providing them with support is essential for improving overall health outcomes.

Conclusion

Chronic diseases are a major public health burden that affect millions of people worldwide. Addressing these diseases requires a multi-faceted approach that includes lifestyle changes, addressing social determinants of health, investing in healthcare infrastructure, encouraging policy change, increasing public awareness, and providing support for caregivers. By taking a comprehensive approach to chronic disease prevention and management, we can improve the health and well-being of individuals and communities worldwide.

Carcinogenesis is the process by which normal cells are transformed into cancer cells. This complex process involves a series of genetic and molecular changes that can take place over a long period of time. The term "carcinogenesis" is derived from the Greek words "carcinoma," meaning cancer, and "genesis," meaning origin or creation.

Carcinogenesis is a multistep process that involves several stages, including:

1. initiation: This stage involves the activation of oncogenes or the inactivation of tumor suppressor genes, leading to the formation of precancerous cells.
2. promotion: In this stage, the precancerous cells undergo further changes that allow them to grow and divide uncontrollably.
3. progression: This stage is characterized by the spread of cancer cells to other parts of the body (metastasis).

The process of carcinogenesis is influenced by a variety of factors, including genetics, environmental factors, and lifestyle choices. Some of the known risk factors for carcinogenesis include:

1. tobacco use
2. excessive alcohol consumption
3. exposure to certain chemicals and radiation
4. obesity and poor diet
5. lack of physical activity
6. certain viral infections

Understanding the process of carcinogenesis is important for developing effective cancer prevention and treatment strategies. By identifying the early stages of carcinogenesis, researchers may be able to develop interventions that can prevent or reverse the process before cancer develops.

SCC typically appears as a firm, flat, or raised bump on the skin, and may be pink, red, or scaly. The cancer cells are usually well-differentiated, meaning they resemble normal squamous cells, but they can grow rapidly and invade surrounding tissues if left untreated.

SCC is more common in fair-skinned individuals and those who spend a lot of time in the sun, as UV radiation can damage the skin cells and increase the risk of cancer. The cancer can also spread to other parts of the body, such as lymph nodes or organs, and can be life-threatening if not treated promptly and effectively.

Treatment for SCC usually involves surgery to remove the cancerous tissue, and may also include radiation therapy or chemotherapy to kill any remaining cancer cells. Early detection and treatment are important to improve outcomes for patients with SCC.

Symptoms of campylobacter infections include:

* Diarrhea (often bloody)
* Fever
* Abdominal pain and cramping
* Nausea and vomiting
* Headache
* Fatigue
* Muscle pain

Transmission of campylobacter infections can occur through the fecal-oral route, contaminated food or water, or direct contact with an infected animal or person. Risk factors for developing a campylobacter infection include eating undercooked poultry, unpasteurized dairy products, and untreated water.

Diagnosis of campylobacter infections typically involves a combination of clinical evaluation, laboratory testing, and medical imaging. Laboratory tests may include culture isolation, polymerase chain reaction (PCR), or immunological assays to detect the presence of Campylobacter bacteria.

Treatment of campylobacter infections typically involves antibiotics such as macrolides, fluoroquinolones, and ceftriaxone. In severe cases, hospitalization may be necessary to manage complications such as dehydration, electrolyte imbalances, or sepsis.

Prevention of campylobacter infections includes proper handling and cooking of food, especially poultry, good hygiene practices, and safe water consumption. Vaccines are also being developed to prevent campylobacter infections in animals and humans.

Overall, campylobacter infections can cause a wide range of illnesses, from mild to severe, and proper diagnosis, treatment, and prevention measures are essential to reduce the risk of complications and death.

The causes of colorectal neoplasms are not fully understood, but factors such as age, genetics, diet, and lifestyle have been implicated. Symptoms of colorectal cancer can include changes in bowel habits, blood in the stool, abdominal pain, and weight loss. Screening for colorectal cancer is recommended for adults over the age of 50, as it can help detect early-stage tumors and improve survival rates.

There are several subtypes of colorectal neoplasms, including adenomas (which are precancerous polyps), carcinomas (which are malignant tumors), and lymphomas (which are cancers of the immune system). Treatment options for colorectal cancer depend on the stage and location of the tumor, but may include surgery, chemotherapy, radiation therapy, or a combination of these.

Research into the causes and treatment of colorectal neoplasms is ongoing, and there has been significant progress in recent years. Advances in screening and treatment have improved survival rates for patients with colorectal cancer, and there is hope that continued research will lead to even more effective treatments in the future.

1. Gastritis: Inflammation of the stomach lining, which can be acute or chronic.
2. Peptic ulcer disease: Ulcers in the stomach or duodenum (the first part of the small intestine) that are caused by H. pylori infection.
3. Gastric adenocarcinoma: A type of stomach cancer that is associated with long-term H. pylori infection.
4. Mucosa-associated lymphoid tissue (MALT) lymphoma: A rare type of cancer that affects the immune cells in the stomach and small intestine.
5. Gastroesophageal reflux disease (GERD): A condition in which stomach acid flows back up into the esophagus, causing symptoms such as heartburn and regurgitation.
6. Helicobacter pylori-associated chronic atrophic gastritis: A type of chronic inflammation of the stomach lining that can lead to stomach ulcers and stomach cancer.
7. Post-infectious irritable bowel syndrome (PI-IBS): A condition that develops after a gastrointestinal infection, characterized by persistent symptoms such as abdominal pain, bloating, and changes in bowel habits.

Helicobacter infections are typically diagnosed through endoscopy, where a flexible tube with a camera and light on the end is inserted into the stomach and small intestine to visualize the mucosa and look for signs of inflammation or ulcers. Laboratory tests such as breath tests and stool tests may also be used to detect the presence of H. pylori bacteria in the body. Treatment typically involves a combination of antibiotics and acid-suppressing medications to eradicate the infection and reduce symptoms.

Preventing Helicobacter Infections:

While it is not possible to completely prevent Helicobacter infections, there are several measures that can be taken to reduce the risk of developing these conditions:

1. Practice good hygiene: Wash your hands regularly, especially before eating and after using the bathroom.
2. Avoid close contact with people who have Helicobacter infections.
3. Avoid sharing food, drinks, or utensils with people who have Helicobacter infections.
4. Avoid consuming undercooked meat, especially pork and lamb.
5. Avoid consuming raw shellfish, especially oysters.
6. Avoid consuming unpasteurized dairy products.
7. Avoid alcohol and caffeine, which can irritate the stomach lining and increase the risk of developing Helicobacter infections.
8. Maintain a healthy diet that is high in fiber and low in fat.
9. Manage stress, as stress can exacerbate symptoms of Helicobacter infections.
10. Practice good oral hygiene to prevent gum disease and other oral infections that can increase the risk of developing Helicobacter infections.

Conclusion:

Helicobacter infections are a common cause of stomach ulcers, gastritis, and other gastrointestinal disorders. These infections are caused by the bacteria Helicobacter pylori, which can be found in the stomach lining and small intestine. While these infections can be difficult to diagnose, a combination of endoscopy, blood tests, and stool tests can help confirm the presence of Helicobacter bacteria. Treatment typically involves a combination of antibiotics and acid-suppressing medications to eradicate the infection and reduce symptoms. Preventive measures include practicing good hygiene, avoiding close contact with people who have Helicobacter infections, and maintaining a healthy diet.

There are several types of skin neoplasms, including:

1. Basal cell carcinoma (BCC): This is the most common type of skin cancer, and it usually appears as a small, fleshy bump or a flat, scaly patch. BCC is highly treatable, but if left untreated, it can grow and invade surrounding tissue.
2. Squamous cell carcinoma (SCC): This type of skin cancer is less common than BCC but more aggressive. It typically appears as a firm, flat, or raised bump on sun-exposed areas. SCC can spread to other parts of the body if left untreated.
3. Melanoma: This is the most serious type of skin cancer, accounting for only 1% of all skin neoplasms but responsible for the majority of skin cancer deaths. Melanoma can appear as a new or changing mole, and it's essential to recognize the ABCDE signs (Asymmetry, Border irregularity, Color variation, Diameter >6mm, Evolving size, shape, or color) to detect it early.
4. Sebaceous gland carcinoma: This rare type of skin cancer originates in the oil-producing glands of the skin and can appear as a firm, painless nodule on the forehead, nose, or other oily areas.
5. Merkel cell carcinoma: This is a rare and aggressive skin cancer that typically appears as a firm, shiny bump on the skin. It's more common in older adults and those with a history of sun exposure.
6. Cutaneous lymphoma: This type of cancer affects the immune system and can appear as a rash, nodules, or tumors on the skin.
7. Kaposi sarcoma: This is a rare type of skin cancer that affects people with weakened immune systems, such as those with HIV/AIDS. It typically appears as a flat, red or purple lesion on the skin.

While skin cancers are generally curable when detected early, it's important to be aware of your skin and notice any changes or unusual spots, especially if you have a history of sun exposure or other risk factors. If you suspect anything suspicious, see a dermatologist for an evaluation and potential biopsy. Remember, prevention is key to avoiding the harmful effects of UV radiation and reducing your risk of developing skin cancer.

Some common types of bone neoplasms include:

* Osteochondromas: These are benign tumors that grow on the surface of a bone.
* Giant cell tumors: These are benign tumors that can occur in any bone of the body.
* Chondromyxoid fibromas: These are rare, benign tumors that develop in the cartilage of a bone.
* Ewing's sarcoma: This is a malignant tumor that usually occurs in the long bones of the arms and legs.
* Multiple myeloma: This is a type of cancer that affects the plasma cells in the bone marrow.

Symptoms of bone neoplasms can include pain, swelling, or deformity of the affected bone, as well as weakness or fatigue. Treatment options depend on the type and location of the tumor, as well as the severity of the symptoms. Treatment may involve surgery, radiation therapy, chemotherapy, or a combination of these.

The infection occurs when the parasitic worm enters the body through the skin, usually during contact with infected water. The schistosomes migrate to the liver and intestines, where they cause inflammation and damage to the host tissues.

Symptoms of schistosomiasis mansoni can include abdominal pain, diarrhea, fatigue, and weight loss. If left untreated, it can lead to serious complications such as anemia, liver and kidney damage, and even death.

Diagnosis is based on the presence of schistosome eggs in the urine or stool, and treatment typically involves a combination of antiparasitic drugs and supportive care to manage symptoms. Prevention measures include avoiding contact with contaminated water and using snail-killing agents to reduce the number of intermediate hosts.

Tolerance and Resistance Cosmetics Database HCMV drug resistance mutations tool Combating Drug Resistance - An informative ... "Mechanisms of drug action and resistance". tulane.edu. Brun LO, Wilson JT, Daynes P (March 1983). "Ethion resistance in the ... Li XZ, Nikaido H (August 2009). "Efflux-mediated drug resistance in bacteria: an update". Drugs. 69 (12): 1555-623. doi:10.2165 ... Antibiotic resistance Fecal bacteriotherapy Mass drug administration Multidrug resistance Pharmacoepidemiology Physical factors ...
... (MDR), multidrug resistance or multiresistance is antimicrobial resistance shown by a species of ... Drug resistance MDRGN bacteria Xenobiotic metabolism NDM1 enzymatic resistance Herbicide resistance P-glycoprotein A.-P. ... Li XZ, Nikaido H (August 2009). "Efflux-mediated drug resistance in bacteria: an update". Drugs. 69 (12): 1555-623. doi:10.2165 ... Drug+Resistance,+Multiple at the US National Library of Medicine Medical Subject Headings (MeSH) Boucher, HW, Talbot GH, ...
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The Drug Resistance Strategies Project (DRS), a program funded by the National Institute on Drug Abuse (NIDA), teaches ... A drug resistance curriculum tailored to the strengths and needs of pre-adolescents of the Southwest. The Journal of Drug ... Alberts, J.K., Hecht, M.L., Miller-Rassulo, M., & Krizek, R.L. (1992). The communicative process of drug resistance among high ... Hecht, M.L., Graham, J.W. & Elek, E. (2006). The Drug Resistance Strategies Intervention: Program Effects on Substance Use. ...
... (stylized as D.A.R.E.) is an education program that seeks to prevent use of controlled drugs, ... "The Social Construction of 'Evidence-Based' Drug Prevention Programs: A Reanalysis of Data from the Drug Abuse Resistance ... An Introduction to DARE: Drug Abuse Resistance Education (Report). U.S. Department of Justice. 1991. pp. i-2, 8-12. Cima, Rosie ... Wikimedia Commons has media related to Drug Abuse Resistance Education. Official website DARE World How to Start a DARE Program ...
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Resistance to recently developed drugs such as artemisinin has also been reported. The problem of drug resistance in malaria ... Resistance to HIV antivirals is problematic, and even multi-drug resistant strains have evolved. One source of resistance is ... The WHO defines antimicrobial resistance as a microorganism's resistance to an antimicrobial drug that was once able to treat ... Liberation of the ribosome from the drug allows further translation and consequent resistance to the drug. There are several ...
In some cases, cancers can evolve resistance to multiple drugs, called multiple drug resistance. There are two general causes ... Epigenetic modifications in antineoplastic drug resistance play a major role in cancer development and drug resistance as they ... Antineoplastic resistance, often used interchangeably with chemotherapy resistance, is the resistance of neoplastic (cancerous ... that confer drug resistance. Antineoplastic drugs kill susceptible sub-populations and the tumour mass may shrink as an initial ...
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Drug resistance Pesticide resistance Périchon, B. "Cross Resistance". ScienceDirect. Encyclopedia of Microbiology. Retrieved 26 ... In another case it is defined as the resistance of a virus to a new drug as a result of previous exposure to another drug. Or ... When bacteria developed resistance to ciprofloxacin, they also developed resistance to nalidixic acid because both drugs work ... Chapman, John S. (2003). "Disinfectant resistance mechanisms, cross-resistance, and co-resistance". International ...
HIV drug resistance mutations figures FDA-Approved HIV Medicines CDC Explanation of Influenza Resistance Mutations (Mutation). ... "HIV-1 Drug Resistance Mutations: Potential Applications for Point-of-Care Genotypic Resistance Testing". PLOS ONE. 10 (12): ... There are five classes of drug that are used to treat HIV infection, and resistance mutations can effect the efficacy of these ... "Mechanisms of HIV Drug Resistance: A Primer" (PDF). Physicians' Research Network. Physicians Research Network Inc. Retrieved 6 ...
"Drug resistance. Population transcriptomics of human malaria parasites reveals the mechanism of artemisinin resistance". ... Transcriptomic profiling also provides crucial information on mechanisms of drug resistance. Analysis of over 1000 isolates of ... Suzuki S, Horinouchi T, Furusawa C (December 2014). "Prediction of antibiotic resistance by gene expression profiles". Nature ... predicting antibiotic resistance, and unveiling host-pathogen immune interactions. A primary aim of this technology is to ...
"Drug Resistance". cdc.gov. Retrieved 17 February 2019. Wikimedia Commons has media related to Streptococcus pneumoniae. GAVI ... and extent of drug resistance. In 1881, the organism, known later in 1886 as the pneumococcus for its role as a cause of ... S. pneumoniae is, in general, optochin sensitive, although optochin resistance has been observed. The recent advances in next- ... summarized evidence that induction of competence in S. pneumoniae is associated with increased resistance to oxidative stress ...
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In incomplete warfarin resistance, people only respond to high doses of warfarin; in complete warfarin resistance, the drug has ... Warfarin resistance is a rare condition in which people have varying degrees of tolerance to the anticoagulant drug warfarin. ... This can be because the drug is metabolized quickly or because the clotting cascade does not interact with warfarin as it ... "Warfarin resistance". Genetics Home Reference. National Library of Medicine. July 2015. (Articles with short description, Short ...
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Antimicrobial Drug Resistance. Orlando: Academic press. p. 51. ISBN 978-0-12-138120-2. Ravenscraft, David J.; Long, William F ... Greenwood, David (2008). "4. Wonder drugs". Antimicrobial Drugs: Chronicle of a Twentieth Century Medical Triumph. Oxford: ... Antibiotic analogues". Drug Discovery: A History. Chichester, West Sussex: Wiley. p. 337. ISBN 978-0-471-89979-2. Fisher, Jed ( ... The merger resulted in the marketing of several new drugs. According to Sykes at the time, "the industry would be transformed ...
Drug Resistance Updates. 7 (3): 195-208. doi:10.1016/j.drup.2004.04.002. PMID 15296861. Whittaker, Mark; Ayscough, Andrew (2001 ... The drug is highly lipophilic and able to cross the blood brain barrier at higher doses. COL-3 accumulates in higher ... Pirard, B (2007). "Insight into the structural determinants for selective inhibition of matrix metalloproteinases". Drug ... cambridgemedchemconsulting entry Sigma product entry (Matrix metalloproteinase inhibitors, Drug discovery). ...
Microbial Drug Resistance. 15 (1): 1-9. doi:10.1089/mdr.2009.0856. PMID 19216682. D-alanine-D-serine+ligase at the US National ... Fines M, Perichon B, Reynolds P, Sahm DF, Courvalin P (September 1999). "VanE, a new type of acquired glycopeptide resistance ... Depardieu F, Bonora MG, Reynolds PE, Courvalin P (November 2003). "The vanG glycopeptide resistance operon from Enterococcus ... Park IS, Lin CH, Walsh CT (September 1997). "Bacterial resistance to vancomycin: overproduction, purification, and ...
Drug resistance poses a growing problem in the treatment of malaria in the 21st century, since resistance is now common against ... White, NJ (April 2004). "Antimalarial drug resistance". J. Clin. Invest. 113 (8): 1084-1092. doi:10.1172/JCI21682. PMC 385418. ... Extensively drug-resistant tuberculosis (XDR TB) was identified in Africa in 2006 and subsequently discovered to exist in 49 ... Measles is an endemic disease, meaning it has been continually present in a community, and many people develop resistance. In ...
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Microbial Drug Resistance. 8, 281-289 (2002). Ruiz J. Mechanisms of resistance to quinolones: target alterations, decreased ... Microbial Drug Resistance. 14 (1), 45-47 (2008). Falcone M, Mezzatesta ML, Perilli MG et al. Infections with VIM-1 metallo-beta ... Microbial Drug Resistance. 13 (1), 1-6 (2007). Daurel C, Fiant AL, Brémont S, Courvalin P, Leclercq R. Emergence of an ... Microbial Drug Resistance. 12 (4), 223-230 (2006). Yan JJ, Ko WC, Chuang CL, Wu JJ. Metallo-beta-lactamase-producing ...
... progression and drug resistance. These studies, focused primarily on the highly lethal brain cancer, glioblastoma, resulted in ... metabolic reprogramming and drug resistance". Cancer Biology & Medicine. 11 (4): 255-263. doi:10.7497/j.issn.2095-3941.2014. ... showed that it potently drives tumor evolution and drug resistance, and identified specific signaling, biochemical and ... and yields new paradigms in the genotype-environment interactions that promote cancer progression and drug resistance. ...
Womp drugs Steve and attempts to smother him, but just can't do it. Meanwhile, Steve has a flashback: years ago, when Steve was ... and even though Rod has his legs waxed in order to reduce air resistance, he fails. The Womp tests several strategies by ... such that it can be dragged towards an operating lawn-mower. Steve asks the teams numerical questions, and the amount by which ...
Knud Pedersen, 88, Danish artist and resistance fighter. Mandy Rice-Davies, 70, British model, figure in the Profumo affair, ... Jenny Pat, 33, Hong Kong art dealer, accidental drug overdose. Juanito Remulla, Sr., 81, Filipino politician, Governor of ... Yvonne Abbas, 92, member of the French Resistance. Ernst Albrecht, 84, German politician, Prime Minister of Lower Saxony (1976- ... members of French Resistance Nikolai Vasenin dies at 95 'Addams Family' Star Pugsley Dies From Heart Attack Zmarł Jerzy Wilim ( ...
Eanes, Zachery (March 9, 2021). "Locus using gene-editing technology to get ahead of drug-resistant bacteria". The Herald-Sun. ... Martz, Lauren (August 31, 2017). "Cutting through resistance". Biocentury. Retrieved July 18, 2020. Maurer, Allan (November 19 ... 818 million to develop CRISPR-Cas3 drugs targeting two bacterial pathogens. Locus received $20 million upfront and up to $798 ...
When retardation is required, fluid (oil or water) is pumped into the chamber, and the viscous drag induced will slow the ... Whereas an eddy brake relies on eddy currents to create magnetic resistance some of which is incidentally dissipated as heat, ... Hydraulic retarders use the viscous drag forces between dynamic and static vanes in a fluid-filled chamber to achieve ... When retardation is required, the electrical windings in the stator receive power from the vehicle battery, producing a ...
The last pockets of resistance were obliterated by 493 BC. Herodotus depicts these events as the catalyst to the Graeco-Persian ... central government in rome was often far from civil and military commanders in the field, and local ambitions often dragged ... Mithrodates then dragged his eastern neighbour Armenia into the fray, since Tigranes the Great (95-55 BC) was his son in law. ... and they entered the interior without much resistance. A second invasion of Anatolia through Bithynia brought even more terror ...
The commonly used gravitational acceleration of 9.8 m/s² ignores the effects of air resistance, but the air resistance for the ... An example of a source of this uncertainty would be the drag in an experiment designed to measure the acceleration of gravity ...
Indian politicians have described linking this new drug resistance gene to India as "malicious propaganda" and blamed ... Antibiotic resistance List of antibiotic resistant bacteria Medical tourism Methicillin-resistant Staphylococcus aureus MCR-1 ... In June 2014 it was reported that the molecule aspergillomarasmine A from the Aspergillus fungus turns off the resistance ... August 2010). "Emergence of a new antibiotic resistance mechanism in India, Pakistan, and the UK: a molecular, biological, and ...
Other events around this time period were also declared methods of black genocide, such as the War on Drugs, War on Crime, and ... Self 2012, p. 79 Bibby, Michael (1996). Hearts and Minds: Bodies, Poetry, and Resistance in the Vietnam Era. Perspectives on ... has called the War on Drugs "a misstep [that] is so damaging that future generations are left shaking their heads in disbelief ... Forman further writes that one consequence is that, even though black and white people have similar rates of drug use, black ...
He began the electrical research that, along with other scientific inquiries, would occupy him for the rest of his life, in ... Merchants in all thy ports are encouraged by thy laws to continue a commerce whereby so many hundreds of thousands are dragged ... Franklin's electrical experiments led to his invention of the lightning rod. He said that conductors with a sharp rather than a ... News of his electrical discoveries was widespread in France. His reputation meant that he was introduced to many influential ...
Says an Underground Resistance-related group] "Techno is all about simplicity. We don't want to compete with Jimmy Jam and ... The music had become "too hard, too fast, too male, too drug-oriented, too anally retentive." Despite this, weekly night at ... In the same period, with the assistance of Tresor, Underground Resistance released their X-101/X-102/X103 album series, Juan ... Presenting themselves as a sort of techno Public Enemy, Underground Resistance were dedicated to 'fighting the power' not just ...
Water in the loop can greatly increase the resistance to gas flow through the scrubber. There is even less point in shallow or ... An excess of tubes and connections passing through the water tend to decrease swimming performance by causing hydrodynamic drag ... Breathing from a rebreather is much the same, except that the work of breathing is affected mainly by flow resistance in the ... or extra resistance to breathing, depending on the diver's orientation in the water. In modern single-hose sets this problem is ...
... and the risks of antibiotic resistance in humans from agricultural antibiotic use and worked on provisions of the proposed Drug ... For 26 months he served as Commissioner of the United States Food and Drug Administration during the Carter Administration, ... He served as Commissioner of the U.S. Food and Drug Administration (1977-1979), President of Stanford University (1980-1992), ... "Donald Kennedy, Ph.D." US Food and Drug Administration. Retrieved January 28, 2010. Kennedy, Donald (1956). Studies on the frog ...
The incident exposed Judd's heroin addiction to the public and forced him to seek drug rehabilitation. Nachtmystium canceled ... and demanded Resistance Records stop selling the band's albums. In 2005, Metalreviews.com interviewed Judd to discuss ... who were an imprint of the white power skinhead label Resistance Records, and dealt mostly with National Socialist black metal ... marred the band's success in 2013 when Judd was arrested for theft charges and publicly admitted he had a severe drug problem. ...
"We do that to stop them selling on the food for drugs,"" she says". The MLDM was there to help lower income families in ... and by utilizing institutional forms of resistance (the right to petition) against repeated violations of urban legislation, ... at risk of falling into prostitution or drugs." Outside a row of breezeblock houses along a dirt road in Bom Jardim, one of the ...
The Japanese dragged the greatest concentration of field artillery they had yet assembled onto the ridges overlooking the ... In the resulting Battle of Tsimba Ridge, the Australians encountered determined resistance in heavily fortified positions, and ...
A larger diameter bullet is going to have significantly more drag than a smaller diameter bullet of the same mass, which means ... but over penetration and damage to vital electrical or hydraulic lines, or injury to an innocent bystander by a bullet that ... For the purposes of aerodynamic efficiency, due to the hollowpoint not creating drag, the tip of the hollowpoint will often be ... These bullets are designed to increase their surface area on impact, thus creating greater drag and limiting the travel through ...
The desecration went so far as to drag Kudurru's body through the streets of Uruk. Kudurru can be identified with ... Bedford, Peter R. (2016). "Assyria's Demise as Recompense: A Note on Narratives of Resistance in Babylonia and Judah". In ... The Babylonian Chronicle records that "he marched about victoriously" (meaning that he faced little to no resistance), ... Collins, John J.; Manning, J. G. (eds.). Revolt and Resistance in the Ancient Classical World and the Near East: In the ...
Rushed to the hospital, Chevalier was saved but suffered liver and kidney damage as a result of the drug. In the following ... and he held charity balls and performed to raise money for resistance efforts. Chevalier consistently refused to perform for ... However, due to her alcoholism and drug addiction, their liaison ended in 1911. Chevalier later said that he became addicted to ... cocaine during this time, a habit he was able to quit because he had no access to the drug as a prisoner of war in World War I ...
The fore-and-aft center of effort on a sail plan is usually slightly behind the center of resistance of the hull, so that the ... Windage (drag) is more than triangular rigs, which have smaller tip vortices. Therefore, historic ships could not point as far ...
UAVs are emerging as a new way for drug cartels to smuggle illegal drugs into the United States from Mexico. 21 January ... The French strikes knock out electrical power in the city of about 200,000 people. 16 November The United States makes its ... Suspected drug traffickers open fire on a patrolling Mexican Navy helicopter as it approaches a group of their vehicles near ... After several hours, in comes to earth in a ravine in Columbia County, Pennsylvania, but not before dragging its 6,000-foot ( ...
Therefore, the defence system of North Macedonia is based on the determination to give resistance by use of an armed force ... and Drug interdiction tasks. Its members wear the Maroon Beret. The Rangers Battalion was formed in 2004. It consists of a ... Forces as a deterring factor for aggression and other threats to the security of the country and capable of armed resistance in ...
Viral resistance to the drug leads to the drug becoming useless since the virus evolves to have cells that are able to resist ... This fear of viral resistance caused a lot of users to be wary of the drug. The most common side effects of indinavir include: ... Currently, it is being replaced by newer drugs that are more convenient to take, less likely to promote virus resistance, and ... After 38 weeks, 6% of the people in the three-drug group died while 11% of the people died in the two-drug group. There were ...
... and Adolescent Mental Health Services Childhood obesity Childhood obesity follow-up 2019 Dentistry Services Drugs policy Drugs ... opened 1 September 2022 Alcohol minimum unit pricing Antimicrobial resistance inquiry Availability of Orkambi on the NHS Brexit ...
However, payments to young cohorts only may be met with resistance from the older ones. Yet another alternative to UBI is a ... They noted that they have not observed increased use of alcohol or illicit drugs; significant changes in labor relations, birth ...
During the rioting eight young African Americans dragged a white student, Noel Wright, and his wife from their car in Mount ... only violent resistance to white supremacy could be effective. The protesters were mostly black; not all were poor. Middle- ...
The U.S. Food and Drug Administration began referring to this category of infection as acute bacterial SSSIs (ABSSSI) in 2008. ... The increased prevalence of antibiotic resistance is evident in MRSA species commonly involved in SSSIs, which worsen prognoses ... See "Guidance for Industry Acute Bacterial Skin and Skin Structure Infections: Developing Drugs for Treatment" (PDF). Food and ... Rosen, T (2005). "Update on treating uncomplicated skin and skin structure infections". Journal of Drugs in Dermatology. 4 (6 ...
... s only stream vortices at high angles of attack and produce less drag at higher speeds than wing fences. Pylons used to ... Vortilons are often used to improve low-speed aileron performance, thereby increasing resistance to spin. They can be used as ... The original pylons which wrapped around the leading edge of the wing had to be cut back to reduce excessive cruise drag. Wind ...
Musket and his master, Count Las Bombas, are dragged in to serve as her advisors. She says she wants his advice, as he used to ... A corrupt general is in a cabal with a rival country, and plans to surrender after a token resistance, allowing a country with ... However, although the general surrenders, his soldiers refuse to, and the nominal resistance becomes a full-blown war as the ...
African-American drag queens, Transgender drag performers, 21st-century African-American musicians, 20th-century African- ... Flaherty, Jordan (2010). Floodlines: Community and Resistance from Katrina to the Jena Six. ReadHowYouWant.com. p. 35. ISBN ... Red is also a drag artist and performs under the name Keltnny Galliano. 1999: Melpomene Block Party 2000: Y2 Katey 2013: ... Berk, Brett (March 11, 2011). "New Orleans Sissy Bounce: Rap Goes Drag". Vanity Fair. Retrieved June 21, 2018. McDonnell, John ...
The threat of antibiotic resistance and what CDC is doing to protect people. ... CDC and Partners Tackle Drug-Resistant TB in India. *Newly Reported Gene, mcr -1, Threatens Last-Resort Antibiotics ... Tracking Antimicrobial Resistance in Kenya and Senegal. *CDC Core Elements to Help Resource-limited Settings Improve Antibiotic ... Actions to Fight Antimicrobial Resistanceplus icon *Protect Yourself and Your Family ...
Review this NIH fact sheet on Drug Resistence. ... Once drug resistance develops, HIV medicines that previously ... What is drug-resistance testing? Drug-resistance testing identifies which, if any, HIV medicines that will not be effective ... The following HIVinfo resources offer more information on drug resistance and medication adherence:. *HIV Drug Resistance ( ... drug-resistance testing is repeated. The test results can identify whether drug resistance is the problem and, if so, can be ...
Resistance to antimalarial drugs is a serious issue around the world. Widespread Plasmodium vivax and P. falciparum ... Continued surveillance of antimalarial drug resistance markers and monitoring of clinical drug efficacy should be conducted for ... Resistance to antimalarial drugs is a serious issue around the world. Widespread Plasmodium vivax and P. falciparum ... Surveillance of drug resistance molecular markers in Plasmodium vivax before and after introduction of dihydroartemisinin and ...
Poor quality malaria drugs pose threat. Poor quality antimalarial drugs lead to drug resistance and inadequate treatment that ... Resistance to malaria drugs is a growing concern Fogarty and NIAID convened drug-resistant malaria experts to examine the ... NIH study shows poor quality malaria drugs pose threat: Drug resistance a growing concern in Southeast Asia and sub-Saharan ... Malaria Drug Resistance Global pandemic of fake medicines poses urgent risk. Poor quality medicines are a real and urgent ...
Antibacterial/Antifungal Drug Resistance: This announcement is intended to stimulate innovative research on drug resistance of ... Antibacterial/Antifungal Drug Resistance: Antimicrobial resistance is emerging in virtually all nosocomial pathogen- ... For drug resistance, the goal is to support research projects elucidating the molecular biology and molecular epidemiology of ... Full Text PA-97-026 ASPERGILLOSIS, EHRLICHIOSES AND DRUG RESISTANCE NIH GUIDE, Volume 26, Number 3, January 31, 1997 PA NUMBER ...
Keyword:drug resistance. Papers. Assessing Protein-Drug Resistance Due to Mutations via a Rigidity Analysis in silico Approach ...
... drug) resistance. It is a significant public health problem in the U.S. and around the world. ... Open the Antimicrobial (Drug) Resistance Menu. Antimicrobial (Drug) Resistance. Antimicrobial Resistance Threats ... Why Is the Study of Antimicrobial (Drug) Resistance a Priority for NIAID?. Antimicrobial resistance is a significant public ... Antimicrobial (Drug) Resistance. Scanning electron micrograph of methicillin-resistant Staphylococcus aureus (MRSA, brown) ...
The findings open the possibility of reducing anti-VEGF resistance in patients in the future. The study appears in the journal ... with anti-VEGF overcomes anti-VEGF resistance and effectively suppresses CNV. ...
... drug resistance - Raising our voices to improve health around the world. ... Antibiotic resistance has been making headlines lately, and for good reason: the identification of new resistance genes, rising ... resistance rates and widespread public misunderstanding of the problem are all causes for concern about the growing ... proliferation of drug-resistant "superbugs." But in many low- and middle-income countries, millions of people lack access to ...
HIV drug resistance: tackling HIV drug resistance: trends, guidelines and global actions: policy brief  ... sampling ART clinics in countries combining surveillance of pre-treatment HIV drug resistance and acquired HIV drug resistance ... HIV drug resistance report 2017  World Health Organization; Global Fund; US Centers for Disease Control and Prevention (‎World ... HIV drug resistance surveillance in countries scaling up pre-exposure prophylaxis  World Health Organization (‎World Health ...
... cancer cells frequently find ways to bypass the drugs effects and begin growing again. For many patients, this drug resistance ... To prevent this drug resistance, the NCATS team worked to block the activity of FLT3 and the IRAK kinases with a single ... The new approach takes aim at a way that cancer cells evade the effects of drugs, a process called adaptive resistance. ... A more thorough understanding of the drug resistance process could help them find ways to improve therapy options. ...
Drug Resistance, Neoplasm. Resistance or diminished response of a neoplasm to an antineoplastic agent in humans, animals, or ... Physiological PhenomenaPharmacological and Toxicological PhenomenaPharmacological PhenomenaDrug ResistanceDrug Resistance, ... Drug Resistance (1972-1995). All MeSH CategoriesPhenomena and Processes Category ... Resistance, Antineoplastic Agent. *Resistance, Antineoplastic Drug. *Drug Resistance, Antineoplastic. *Neoplasm Drug Resistance ...
Overcoming Resistance to Dual Innate Immune and MEK Inhibition Downstream of KRAS. Cancer Cell. 2018;34(3):439-452.e6. doi: ... Mechanisms of acquired resistance to rapalogs in metastatic renal cell carcinoma. PLoS Genet. 2018;14(9):e1007679. doi:10.1371/ ... The Drug Repurposing Hub is one of the most comprehensive and up-to-date biologically annotated collections of FDA-approved ... Researchers anywhere can explore more than 6,000 drugs in the hub and search for possible new uses for them to jump-start new ...
ABC transporters : diseases & drug resistance / Michael Gottesman and Win Arias. Author: Gottesman, Michael M. National ... Drug Resistance, Multiple. Drug Resistance, Neoplasm. Genetic Predisposition to Disease Publication Types: Lecture. Webcast ...
... tuberculosis strains from 27 countries to reveal causes of drug resistance ... CRyPTIC: cataloguing drug resistance mutations in M. tuberculosis. Drug resistance mutations in M. tuberculosis. Credit: Karen ...
Were sorry but RePORTER doesnt work properly without JavaScript enabled. Please enable it to continue. ...
Conclusions: Pharmacological resistance to aspirin is rare; this study failed to identify a single case of true drug resistance ... Drug resistance to aspirin might result in treatment failure. Despite this concern, no clear definition of aspirin resistance ... Drug resistance and pseudoresistance: an unintended consequence of enteric coating aspirin Circulation. 2013 Jan 22;127(3):377- ... Variable absorption caused a high frequency of apparent resistance to a single dose of 325-mg enteric coated aspirin (up to 49 ...
However, the foundations of this modelling ignored the effects of drug resistance on the epidemic. It also disregarded the ... Motassem Al-arydah, Robert Smith? "Adding Education to "Test and Treat": Can We Overcome Drug Resistance?," Journal of Applied ... and drug resistance affect the HIV epidemic. We consider a variety of circumstances: both when education is included and not ... and when treatment leads to drug resistance. We show that education, if it is properly harnessed, can be a force strong enough ...
Drug resistance was commoner among foreign-born patients and in general among patients who had been treate ... of isolates from ten countries from the EuroTB network in 1997 were reported with data on antituberculosis drug susceptibility ... Feasibility of surveillance resistance to antituberculosis drugs :Europe, 1997 * V Schwoebel1 , D Antoine1 , J Veen2 , The ... Drug resistance was commoner among foreign-born patients and in general among patients who had been treate ...
Although HIV drug resistance is an issue in the US, Aldatu does not anticipate commercializing PANDAA HIV6 domestically. ... Aldatu has already developed a wet test based on a panel of six established drug-resistance markers, which MacLeod said are ... "So it actually serves as a viral load quantification test, as well as a quantitative measure of drug-resistance variants. This ... "So there is much more of a barrier to implement PANDAA for HIV drug resistance testing in the US," he said. ...
Antimicrobial resistance, Drug resistance, Gonorrhoea, Multi-resistant gonorrhoea, Uncategorized Warding off the scourge of ... Category: Drug resistance. The recent trend towards multi-resistant gonorrhoea in coastal China. Posted on February 28, 2018. ... Alarming data have recent been reported (Yin & Chen) (Y&C) from the China Gonococcal Resistance Surveillance Programme (China- ... susceptibility to cefixime and ceftriaxone in isolates suggests a halt in the drift to resistance over the period 2011-13 ...
... such as death versus survival of cancer cells upon drug treatment. These originating differences remain largely hidden due to ... Variability within rare cell states enables multiple paths toward drug resistance Benjamin L Emert 1 , Christopher J Cote 2 3 ... Variability within rare cell states enables multiple paths toward drug resistance Benjamin L Emert et al. Nat Biotechnol. 2021 ... we trace drug-resistant cell fates back to single-cell gene expression differences in their drug-naive precursors (initial ...
Keywords: women, antimicrobial resistance, drugs Important Note: All contributions to this Research Topic must be within the ... we are delighted to present the Women in Antimicrobial Resistance and New Antimicrobial Drugs article collection, which is ... we are delighted to present the Women in Antimicrobial Resistance and New Antimicrobial Drugs article collection, which is ... the diversity of research performed across the entire breadth of Antimicrobial Resistance and New Antimicrobial Drugs research ...
  • For drug resistance, the goal is to support research projects elucidating the molecular biology and molecular epidemiology of antibiotic resistance mechanisms in health care associated bacteria and fungi, including the molecular mechanisms of acquisition, expression, maintenance, and dissemination of resistance genes. (nih.gov)
  • Antibiotic resistance has been making headlines lately, and for good reason: the identification of new resistance genes, rising resistance rates and widespread public misunderstanding of the problem are all causes for concern about the growing proliferation of drug-resistant "superbugs. (cdc.gov)
  • CDC researchers find that doctors are speeding along antibiotic resistance by prescribing the lifesaving drugs when they aren't needed. (medicaldaily.com)
  • The war against antibiotic resistance still has far too many doctors playing the role of Benedict Arnold, a new study published Tuesday in the Journal of the American Medical Association (JAMA) suggests. (medicaldaily.com)
  • The discovery of the first antibiotic drug is attributed to Ehrlich. (h2g2.com)
  • The need for lifelong antiretroviral treatment (ART), coupled with the high HIV replication and mutation rates, means that resistance will emerge even among appropriately treated, compliant individuals. (who.int)
  • Antiretroviral drugs have been available [in the US] for longer and a broader range is available," MacLeod said. (genomeweb.com)
  • Since that time, malarial drug resistance has become steadily more widespread. (nih.gov)
  • Why Is the Study of Antimicrobial (Drug) Resistance a Priority for NIAID? (nih.gov)
  • Resistance or diminished response of a neoplasm to an antineoplastic agent in humans, animals, or cell or tissue cultures. (nih.gov)
  • Fogarty and NIAID convened drug-resistant malaria experts to examine the problem, identify possible approaches, spark collaborations and spur the field to take action. (nih.gov)
  • An international collaboration that includes NIAID uncovered a mutation in the malaria parasite in Cambodia that enables it to survive artemisinin, the most potent antimalarial drug available. (nih.gov)
  • However, efforts to improve access to treatment are hampered by development of HIV, TB and malaria drug resistance. (who.int)
  • Following widespread resistance to chloroquine and sulphadoxine-pyrimethamine all malaria- endemic countries except two in the Region have changed the treatment policy to artemisinin-based combination therapy (ACT). (who.int)
  • Resis- assessment of in vivo drug response in P. tance to antimalarial drugs has been de- falciparum were developed shortly after scribed for 2 of the 4 species of human the first reports of CQ resistance in this malaria parasites, Plasmodium falciparum species [ 1 ]. (who.int)
  • Today, CQ-resistant falciparum malaria is set criteria for the selection of patients, the being reported from all countries in which administration of a standard treatment regi- the disease is endemic except for few foci men of the appropriate drug, and daily par- in central America north of the Panama Ca- asitological blood examination for the nal, Haiti and the Dominican Republic [ 5 ]. (who.int)
  • stipulated period, e.g. 7 or 28 days for CQ, This created a great problem for malaria or longer periods for drugs with a long control programmes, which depended on elimination half-life. (who.int)
  • News that resistance to artemisinin combination drugs - the frontline response against malaria - is spreading has spurred debate on whether a new approach is needed to counter the disease and other serious threats to human health. (asiatimes.com)
  • Combination drug therapies including artemisinin have been introduced to take the place of the older drugs [1], but experts are concerned the mosquito-borne parasites that cause malaria are showing signs of drug resistance again. (nih.gov)
  • So, researchers have been searching the genome of Plasmodium falciparum , the most-lethal species of the malaria parasite, for potentially better targets for drug or vaccine development. (nih.gov)
  • This study is aimed at investigating genes linked to antimalarial resistance in P. vivax before and after introduction of DHA-PPQ as a new drug regimen in Thailand. (nih.gov)
  • To address this growing problem, NIAID is funding and conducting research to better understand how microbes develop and pass on resistance genes. (nih.gov)
  • Working with a mouse model they developed, the researchers found that combining apolipoprotein A-I binding protein (AIBP) with anti-VEGF overcomes anti-VEGF resistance and effectively suppresses CNV. (nih.gov)
  • The researchers, in a range of studies, identified a cellular pathway that allows a form of acute myeloid leukemia (AML), a deadly blood and bone marrow cancer, to elude the activity of a promising class of drugs. (nih.gov)
  • Researchers anywhere can explore more than 6,000 drugs in the hub and search for possible new uses for them to jump-start new drug discovery. (broadinstitute.org)
  • Researchers at The University of Texas MD Anderson Cancer Center have discovered important mechanisms of drug resistance and metastasis in triple-negative breast cancer . (mdanderson.org)
  • The researchers also used cellular barcoding and PDX models to investigate chemotherapy resistance, which affects 50% of these patients. (mdanderson.org)
  • The researchers found that when cancer cells interacted with the aforesaid drug, they seemed to show responsiveness by boosting the activation of a gene known as AKT. (healthjockey.com)
  • The program combines individual level and institutional level capacity building by training young researchers from a variety of disciplines in the skills required to formulate, conduct and report on research related to HIV drug resistance, prevention, pathogenesis and transmission. (nih.gov)
  • It is hard for us to imagine now how the emergence of anitibiotic drugs such as penicillin have changed our lives over the last 50-60 years. (h2g2.com)
  • Adding Education to "Test and Treat": Can We Overcome Drug Resistance? (projecteuclid.org)
  • Alarming data have recent been reported (Yin & Chen) (Y&C) from the China Gonococcal Resistance Surveillance Programme (China-GRSP), covering seven (mostly coastal) provinces in the period 2013-2016. (bmj.com)
  • HIV drug resistance assessment is primarily through monitoring of early warning indicators at ART sites.3 HIV drug resistance surveys are also performed in geographic areas where ART has been widespread for more than 3 years. (who.int)
  • It has been difficult to abandon chloroquine as first-line treatment even though resistance to it is widespread. (who.int)
  • SUMMARY Studies done between 1997 and 2003 are reviewed to give an overall picture of antimalarial drug resistance in the Eastern Mediterranean Region of the World Health Organization (WHO). (who.int)
  • however, using antibiotics too often in humans and animals and in cases where antibiotics are not an appropriate treatment can make resistance develop more quickly. (nih.gov)
  • NIAID's research program also focuses on ways to prevent infections, including vaccines, and developing new antibiotics and novel treatments effective against drug-resistant microbes. (nih.gov)
  • Specifically, they examined how often doctors were prescribing oral antibiotics for medical conditions already known to rarely require the drugs because they're either not caused by bacteria or are simply too mild to be worth the hassle. (medicaldaily.com)
  • This makes some antibiotics very safe drugs for us to use indeed. (h2g2.com)
  • To address this issue, MacLeod developed a technology dubbed pan-degenerate amplification and adaption, or PANDAA, which he said overcomes the limitations of standard qPCR genotyping to enable multiplexed detection of drug resistance in about 90 minutes. (genomeweb.com)
  • An experimental drug that overcomes resistance to immunotherapy in the treatment of cancers of the blood showed promising results during a recent pre-clinical trial. (pharmacytimes.com)
  • NIAID is also supporting the development of new and faster diagnostic tests to make it easier for doctors to prescribe the most effective drug. (nih.gov)
  • Dihydroartemisinin and piperaquine (DHA-PPQ) have been used as first-line treatments for P. falciparum since 2015, and chloroquine (CQ) and primaquine (PQ) have remained first-line drugs for P. vivax for more than 60 years. (nih.gov)
  • Taking HIV medicines every day and exactly as prescribed (called medication adherence ) reduces the risk of drug resistance. (nih.gov)
  • According to Madhukar Pai of the McGill International TB Center, drug resistance is caused by implementing wrong drug regimens, low quality drugs, scarce monitoring of treatment adherence, patient movement between providers, adding single new drugs to already failing regimens and inadequate use of drug-susceptibility testing. (dw.com)
  • These were the only therapeutic drugs largely available until the begining of the 20th century. (h2g2.com)
  • Specific organisms of interest include but are not limited to: vancomycin-resistant enterococci, methicillin-resistant staphlyococci, drug-resistant pneumococci, Gram negative bacteria and the fungi of greatest significance in the nosocomial setting. (nih.gov)
  • Bacteria, fungi, and other microbes evolve over time and can develop resistance to antimicrobial drugs. (nih.gov)
  • Bacteria have a very different type of cell to higher organisms 7 and so often anitibiotic drugs are lethal to the bacterium but have no effect on us at all. (h2g2.com)
  • Any drug that interferes with the biosynthesis of this structure will be lethal to bacteria and is unlikely to cause any damage to the patient. (h2g2.com)
  • Potential role of intratumor bacteria in mediating tumor resistance to the chemotherapeutic drug gemcitabine. (nih.gov)
  • By studying colon cancer models, we found that bacteria can metabolize the chemotherapeutic drug gemcitabine (2',2'-difluorodeoxycytidine) into its inactive form, 2',2'-difluorodeoxyuridine. (nih.gov)
  • Gemcitabine is commonly used to treat pancreatic ductal adenocarcinoma (PDAC), and we hypothesized that intratumor bacteria might contribute to drug resistance of these tumors. (nih.gov)
  • We aimed to determine the commonality of a mechanistically consistent, stable, and specific phenotype of true pharmacological resistance to aspirin-such as might be explained by genetic causes. (nih.gov)
  • Between 28% and 100% of isolates from ten countries from the EuroTB network in 1997 were reported with data on antituberculosis drug susceptibility. (eurosurveillance.org)
  • A recent analysis (Kircaldy & Papp (K&P) of 2006-2014 US CDC (Centre for Disease Control and Prevention) data on Neisseria gonorrhea (NG) susceptibility to cefixime and ceftriaxone in isolates suggests a halt in the drift to resistance over the period 2011-13 followed by a return in 2014 to the upward trend. (bmj.com)
  • Some HIV mutations that develop while a person is taking HIV medicines can lead to drug-resistant HIV. (nih.gov)
  • We propose an approach to fectively managed with the use of vaccines, antimicrobial global public health risk management that integrates popu- drugs, or newer therapies, challenges to the control of infec- lation factors with effective and timely application of policies and processes. (cdc.gov)
  • While many of these drugs work initially, often in combination with other therapies, cancer cells frequently find ways to bypass the drugs' effects and begin growing again. (nih.gov)
  • In any case, resistance to anticancer therapies leads to poor prognosis of patients. (eurekaselect.com)
  • The goal of the Competing Revision initiative is to accelerate evaluation of: 1) new and/or under-explored mechanisms of drug resistance, 2) new approaches with classical targets, and, 3) promote collaborative efforts that complement on-going DRSN studies. (nih.gov)
  • Plasmodium falciparum has sequently revised [ 9 ] and have remained developed resistance to nearly all antimalar- basically unchanged since the WHO Scien- ials in current use, although the geographi- tific Group on the Chemotherapy of Malar- cal distribution and prevalence rates of ia and Resistance to Antimalarials in 1972 resistance to individual drugs do vary. (who.int)
  • Thus, identification of novel molecular targets is critical in development of new, efficient and specific cancer drugs. (eurekaselect.com)
  • Seeking to make tamoxifen work, scientists from the University of California (UCSF) have uncovered a molecular basis for the drug's resistance which may help combat it. (healthjockey.com)
  • ABC transporters : diseases & drug resistance / Michael Gottesman and Win Arias. (nih.gov)
  • Mechanisms of resistance can be associated with altered expression of ATP-binding cassette (ABC) family of transporters on cell membrane transporters, the most common cause of multi-drug resistance (MDR), but can also include alterations of DNA repair pathways, resistance to apoptosis and target modifications. (eurekaselect.com)
  • Still, Aldatu expects the PANDAA technology could prove viable in the US for the detection of drug resistance to other highly pathomorphic pathogens, Raiser said. (genomeweb.com)
  • Mechanisms of acquired resistance to rapalogs in metastatic renal cell carcinoma. (broadinstitute.org)
  • Many patients, however, do not respond or develop resistance to treatment. (pharmacytimes.com)
  • In what, during this Halloween season, might look a little bit like The Blob, you can see a down-for-the-count breast cancer cell (green), treated earlier with the chemotherapy drug doxorubicin, gobbling up a neighboring cancer cell (red). (nih.gov)
  • Drug-resistant breast cancer cells have apparently co-opted similar programs in response to chemotherapy but, in this case, to eat their own neighbors. (nih.gov)
  • In other words, the HIV medicines cannot prevent the drug-resistant HIV from multiplying. (nih.gov)
  • Drug-resistant HIV can be transmitted from person to person or develop after a person starts taking HIV medicines. (nih.gov)
  • Drug-resistant HIV can spread from person to person (called transmitted resistance ). (nih.gov)
  • People with transmitted resistance have HIV that is resistant to one or more HIV medicines even before they start taking HIV medicines. (nih.gov)
  • Skipping HIV medicines allows HIV to multiply, which increases the risk that the virus will mutate and produce drug-resistant HIV. (nih.gov)
  • Population mobility is a main factor in globalization of marked health disparity, and these linkages can be associ- public health threats and risks, specifi cally distribution of an- ated with risk for importation of drug-resistant infectious timicrobial drug-resistant organisms. (cdc.gov)
  • Human mobility is causing an increase in antimicrobial for management and control of disease in clinical and public drug-resistant organisms and drug-resistant infectious health contexts. (cdc.gov)
  • pro- fection resistant to CQ and/or primaquine vided that the drug gained access to the has a limited distribution [ 7,8 ]. (who.int)
  • About 450,000 people contracted drug-resistant (DR) TB in 2012. (dw.com)
  • There were 170,000 multi-drug resistant (MDR) TB deaths worldwide. (dw.com)
  • Drug resistant TB can occur as a primary infection or develop during a patient's treatment. (dw.com)
  • Understanding the mechanism of tamoxifen resistance and how to defeat it may help a large number of women with hormone-resistant breast cancer. (healthjockey.com)
  • The study, published recently online in the journal Cancer Cell , found that resistance to many types of antibody drugs can be mitigated by helping immune cells locate cancerous cells. (pharmacytimes.com)
  • For the current study, investigators showed the new antibody, called BI-1206, effectively prevents the destruction process of the drug, which enhances the ability to kill cancer by binding to a molecule called FcγRIIB. (pharmacytimes.com)
  • The gel was developed by combining an anti-cancer drug with an antibody in a solution. (medicaldaily.com)
  • Poor quality antimalarial drugs lead to drug resistance and inadequate treatment that pose an urgent threat to vulnerable populations, according to a Fogarty study. (nih.gov)
  • This PA, Aspergillosis, Ehrlichioses and Drug Resistance, is related to the priority areas of immunization and infectious diseases. (nih.gov)
  • Drug resistance is defined as the ability of an infectious agent to survive or multiply despite the administration and absorption of medicine given in doses equal to or higher than those usually recommended but within tolerance of the subject. (who.int)
  • Cellular drug resistance is a major obstacle in cancer therapy. (eurekaselect.com)
  • The new approach takes aim at a way that cancer cells evade the effects of drugs, a process called adaptive resistance. (nih.gov)
  • Drug-resistance testing results help determine which HIV medicines to include in an HIV treatment regimen . (nih.gov)
  • If viral load testing indicates that a person's HIV treatment regimen is not effective, drug-resistance testing is repeated. (nih.gov)
  • The test results can identify whether drug resistance is the problem and, if so, can be used to select a new HIV treatment regimen. (nih.gov)
  • Once drug resistance develops, HIV medicines that previously controlled a person's HIV are no longer effective. (nih.gov)
  • Either the drug evokes low responsiveness or the body develops resistance to it. (healthjockey.com)
  • The Drug Repurposing Hub is one of the most comprehensive and up-to-date biologically annotated collections of FDA-approved compounds in the world. (broadinstitute.org)
  • Given the success of the "Women in" series of article collections, we are delighted to present the Women in Antimicrobial Resistance and New Antimicrobial Drugs article collection, which is aimed at celebrating the achievements of women in science. (frontiersin.org)
  • To find out how this happens, Starczynowski's team treated FLT3-mutant cancer cells grown in the laboratory with an inhibitor drug. (nih.gov)
  • The drug initially killed many cancer cells. (nih.gov)
  • Not only does BI-1206 appear to be able to reverse resistance to a range of monoclonal antibodies, it is also effective at directly killing cancer cells itself. (pharmacytimes.com)
  • However, under cancerous conditions, the drug apparently enables the cancer cells to access the estrogen receptor even while tamoxifen is present, thus causing resistance to the same. (healthjockey.com)
  • In sub-Saharan Africa, clinicians primarily identify resistance to HIV drugs by treating patients with World Health Organization-recommended first-line therapy and waiting to see if they respond, he explained. (genomeweb.com)
  • Pseudoresistance, reflecting delayed and reduced drug absorption, complicates enteric coated but not immediate release aspirin administration. (nih.gov)
  • Despite this concern, no clear definition of aspirin resistance has emerged, and estimates of its incidence have varied remarkably. (nih.gov)
  • BI-1206 will next move to an early stage clinical trial to evaluate safety and whether the drug shows anti-cancer effects in combination with rituximab in patients with chronic lymphocytic leukemia and non-Hodgkin lymphoma. (pharmacytimes.com)
  • The work was carried out in mice, so we'll have to wait for the results from clinical trials to find out if the treatment is safe and effective in people, but it's certainly a promising approach and could lead to more potent drug combinations that benefit patients. (pharmacytimes.com)
  • However, in some cases patients don't show improvement due to their failure to take their medication properly, not drug resistance. (genomeweb.com)
  • Drug resistance can cause HIV treatment to fail. (nih.gov)
  • Drug resistance to aspirin might result in treatment failure. (nih.gov)
  • We formulate an HIV/AIDS model to theoretically investigate how testing, educating HIV-positive cases, treatment, and drug resistance affect the HIV epidemic. (projecteuclid.org)
  • We consider a variety of circumstances: both when education is included and not included, when testing and treatment are linked or are separate, when education is only partly effective, and when treatment leads to drug resistance. (projecteuclid.org)
  • Aldatu has already developed a wet test based on a panel of six established drug-resistance markers, which MacLeod said are found in 99 percent of people failing first-line HIV treatment in sub-Saharan Africa. (genomeweb.com)
  • Improper treatment is leading to drug resistance, with 64,000 new cases registered in the South Asian country in 2012. (dw.com)
  • when treatment stops, the tumor cells start growing again, without overt evidence that they had been exposed to the drug. (mdanderson.org)