Diminished effectiveness of INSULIN in lowering blood sugar levels: requiring the use of 200 units or more of insulin per day to prevent HYPERGLYCEMIA or KETOSIS.
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).
A cell surface receptor for INSULIN. It comprises a tetramer of two alpha and two beta subunits which are derived from cleavage of a single precursor protein. The receptor contains an intrinsic TYROSINE KINASE domain that is located within the beta subunit. Activation of the receptor by INSULIN results in numerous metabolic changes including increased uptake of GLUCOSE into the liver, muscle, and ADIPOSE TISSUE.
A primary source of energy for living organisms. It is naturally occurring and is found in fruits and other parts of plants in its free state. It is used therapeutically in fluid and nutrient replacement.
Glucose in blood.
A status with BODY WEIGHT that is grossly above the acceptable or desirable weight, usually due to accumulation of excess FATS in the body. The standards may vary with age, sex, genetic or cultural background. In the BODY MASS INDEX, a BMI greater than 30.0 kg/m2 is considered obese, and a BMI greater than 40.0 kg/m2 is considered morbidly obese (MORBID OBESITY).
A test to determine the ability of an individual to maintain HOMEOSTASIS of BLOOD GLUCOSE. It includes measuring blood glucose levels in a fasting state, and at prescribed intervals before and after oral glucose intake (75 or 100 g) or intravenous infusion (0.5 g/kg).
A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.
A structurally-related group of signaling proteins that are phosphorylated by the INSULIN RECEPTOR PROTEIN-TYROSINE KINASE. The proteins share in common an N-terminal PHOSPHOLIPID-binding domain, a phosphotyrosine-binding domain that interacts with the phosphorylated INSULIN RECEPTOR, and a C-terminal TYROSINE-rich domain. Upon tyrosine phosphorylation insulin receptor substrate proteins interact with specific SH2 DOMAIN-containing proteins that are involved in insulin receptor signaling.
Maintenance of a constant blood glucose level by perfusion or infusion with glucose or insulin. It is used for the study of metabolic rates (e.g., in glucose, lipid, amino acid metabolism) at constant glucose concentration.
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.
A syndrome with excessively high INSULIN levels in the BLOOD. It may cause HYPOGLYCEMIA. Etiology of hyperinsulinism varies, including hypersecretion of a beta cell tumor (INSULINOMA); autoantibodies against insulin (INSULIN ANTIBODIES); defective insulin receptor (INSULIN RESISTANCE); or overuse of exogenous insulin or HYPOGLYCEMIC AGENTS.
Specialized connective tissue composed of fat cells (ADIPOCYTES). It is the site of stored FATS, usually in the form of TRIGLYCERIDES. In mammals, there are two types of adipose tissue, the WHITE FAT and the BROWN FAT. Their relative distributions vary in different species with most adipose tissue being white.
Substances which lower blood glucose levels.
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).
A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles.
A 30-kDa COMPLEMENT C1Q-related protein, the most abundant gene product secreted by FAT CELLS of the white ADIPOSE TISSUE. Adiponectin modulates several physiological processes, such as metabolism of GLUCOSE and FATTY ACIDS, and immune responses. Decreased plasma adiponectin levels are associated with INSULIN RESISTANCE; TYPE 2 DIABETES MELLITUS; OBESITY; and ATHEROSCLEROSIS.
A cluster of metabolic risk factors for CARDIOVASCULAR DISEASES and TYPE 2 DIABETES MELLITUS. The major components of metabolic syndrome X include excess ABDOMINAL FAT; atherogenic DYSLIPIDEMIA; HYPERTENSION; HYPERGLYCEMIA; INSULIN RESISTANCE; a proinflammatory state; and a prothrombotic (THROMBOSIS) state. (from AHA/NHLBI/ADA Conference Proceedings, Circulation 2004; 109:551-556)
Abstaining from all food.
A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances.
FATTY ACIDS found in the plasma that are complexed with SERUM ALBUMIN for transport. These fatty acids are not in glycerol ester form.
Cells in the body that store FATS, usually in the form of TRIGLYCERIDES. WHITE ADIPOCYTES are the predominant type and found mostly in the abdominal cavity and subcutaneous tissue. BROWN ADIPOCYTES are thermogenic cells that can be found in newborns of some species and hibernating mammals.
Resistance or diminished response of a neoplasm to an antineoplastic agent in humans, animals, or cell or tissue cultures.
A pathological state in which BLOOD GLUCOSE level is less than approximately 140 mg/100 ml of PLASMA at fasting, and above approximately 200 mg/100 ml plasma at 30-, 60-, or 90-minute during a GLUCOSE TOLERANCE TEST. This condition is seen frequently in DIABETES MELLITUS, but also occurs with other diseases and MALNUTRITION.
Lipid infiltration of the hepatic parenchymal cells resulting in a yellow-colored liver. The abnormal lipid accumulation is usually in the form of TRIGLYCERIDES, either as a single large droplet or multiple small droplets. Fatty liver is caused by an imbalance in the metabolism of FATTY ACIDS.
Abnormally high BLOOD GLUCOSE level.
A glucose transport protein found in mature MUSCLE CELLS and ADIPOCYTES. It promotes transport of glucose from the BLOOD into target TISSUES. The inactive form of the protein is localized in CYTOPLASMIC VESICLES. In response to INSULIN, it is translocated to the PLASMA MEMBRANE where it facilitates glucose uptake.
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.
Fats present in food, especially in animal products such as meat, meat products, butter, ghee. They are present in lower amounts in nuts, seeds, and avocados.
A 16-kDa peptide hormone secreted from WHITE ADIPOCYTES. Leptin serves as a feedback signal from fat cells to the CENTRAL NERVOUS SYSTEM in regulation of food intake, energy balance, and fat storage.
The processes whereby the internal environment of an organism tends to remain balanced and stable.
An indicator of body density as determined by the relationship of BODY WEIGHT to BODY HEIGHT. BMI=weight (kg)/height squared (m2). BMI correlates with body fat (ADIPOSE TISSUE). Their relationship varies with age and gender. For adults, BMI falls into these categories: below 18.5 (underweight); 18.5-24.9 (normal); 25.0-29.9 (overweight); 30.0 and above (obese). (National Center for Health Statistics, Centers for Disease Control and Prevention)
Irregular microscopic structures consisting of cords of endocrine cells that are scattered throughout the PANCREAS among the exocrine acini. Each islet is surrounded by connective tissue fibers and penetrated by a network of capillaries. There are four major cell types. The most abundant beta cells (50-80%) secrete INSULIN. Alpha cells (5-20%) secrete GLUCAGON. PP cells (10-35%) secrete PANCREATIC POLYPEPTIDE. Delta cells (~5%) secrete SOMATOSTATIN.
Consumption of excessive DIETARY FATS.
Insulin formulations that contain substances that retard absorption thus extending the time period of action.
A type of pancreatic cell representing about 50-80% of the islet cells. Beta cells secrete INSULIN.
Simultaneous resistance to several structurally and functionally distinct drugs.
Antibodies specific to INSULIN.
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.
The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.
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.
A generic term for fats and lipoids, the alcohol-ether-soluble constituents of protoplasm, which are insoluble in water. They comprise the fats, fatty oils, essential oils, waxes, phospholipids, glycolipids, sulfolipids, aminolipids, chromolipids (lipochromes), and fatty acids. (Grant & Hackh's Chemical Dictionary, 5th ed)
Physiological processes in biosynthesis (anabolism) and degradation (catabolism) of LIPIDS.
Compounds which inhibit or antagonize the biosynthesis or action of insulin.
The amount of fat or lipid deposit at a site or an organ in the body, an indicator of body fat status.
Mutant mice exhibiting a marked obesity coupled with overeating, hyperglycemia, hyperinsulinemia, marked insulin resistance, and infertility when in a homozygous state. They may be inbred or hybrid.
The middle segment of proinsulin that is between the N-terminal B-chain and the C-terminal A-chain. It is a pancreatic peptide of about 31 residues, depending on the species. Upon proteolytic cleavage of proinsulin, equimolar INSULIN and C-peptide are released. C-peptide immunoassay has been used to assess pancreatic beta cell function in diabetic patients with circulating insulin antibodies or exogenous insulin. Half-life of C-peptide is 30 min, almost 8 times that of insulin.
THIAZOLES with two keto oxygens. Members are insulin-sensitizing agents which overcome INSULIN RESISTANCE by activation of the peroxisome proliferator activated receptor gamma (PPAR-gamma).
A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.
A complex disorder characterized by infertility, HIRSUTISM; OBESITY; and various menstrual disturbances such as OLIGOMENORRHEA; AMENORRHEA; ANOVULATION. Polycystic ovary syndrome is usually associated with bilateral enlarged ovaries studded with atretic follicles, not with cysts. The term, polycystic ovary, is misleading.
A 12-kDa cysteine-rich polypeptide hormone secreted by FAT CELLS in the ADIPOSE TISSUE. It is the founding member of the resistin-like molecule (RELM) hormone family. Resistin suppresses the ability of INSULIN to stimulate cellular GLUCOSE uptake.
The ability of viruses to resist or to become tolerant to chemotherapeutic agents or antiviral agents. This resistance is acquired through gene mutation.
Fatty tissue inside the ABDOMINAL CAVITY, including visceral fat and retroperitoneal fat. It is the most metabolically active fat in the body and easily accessible for LIPOLYSIS. Increased visceral fat is associated with metabolic complications of OBESITY.
The introduction of a phosphoryl group into a compound through the formation of an ester bond between the compound and a phosphorus moiety.
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).
Two populations of Zucker rats have been cited in research--the "fatty" or obese and the lean. The "fatty" rat (Rattus norvegicus) appeared as a spontaneous mutant. The obese condition appears to be due to a single recessive gene.
Polypeptides produced by the ADIPOCYTES. They include LEPTIN; ADIPONECTIN; RESISTIN; and many cytokines of the immune system, such as TUMOR NECROSIS FACTOR-ALPHA; INTERLEUKIN-6; and COMPLEMENT FACTOR D (also known as ADIPSIN). They have potent autocrine, paracrine, and endocrine functions.
The relative amounts of various components in the body, such as percentage of body fat.
A continuous cell line that is a substrain of SWISS 3T3 CELLS developed though clonal isolation. The mouse fibroblast cells undergo an adipose-like conversion as they move to a confluent and contact-inhibited state.
A protein-serine-threonine kinase that is activated by PHOSPHORYLATION in response to GROWTH FACTORS or INSULIN. It plays a major role in cell metabolism, growth, and survival as a core component of SIGNAL TRANSDUCTION. Three isoforms have been described in mammalian cells.
2-Deoxy-D-arabino-hexose. An antimetabolite of glucose with antiviral activity.
Substances that reduce the growth or reproduction of BACTERIA.
Insulin that has been modified so that the B-chain contains a LYSINE at position 28 instead of a PROLINE and a PROLINE at position 29 instead of a LYSINE. It is used to manage BLOOD GLUCOSE levels in patients with TYPE 2 DIABETES.
A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function.
A pancreatic polypeptide of about 110 amino acids, depending on the species, that is the precursor of insulin. Proinsulin, produced by the PANCREATIC BETA CELLS, is comprised sequentially of the N-terminal B-chain, the proteolytically removable connecting C-peptide, and the C-terminal A-chain. It also contains three disulfide bonds, two between A-chain and B-chain. After cleavage at two locations, insulin and C-peptide are the secreted products. Intact proinsulin with low bioactivity also is secreted in small amounts.
A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289)
Strains of mice in which certain GENES of their GENOMES have been disrupted, or "knocked-out". To produce knockouts, using RECOMBINANT DNA technology, the normal DNA sequence of the gene being studied is altered to prevent synthesis of a normal gene product. Cloned cells in which this DNA alteration is successful are then injected into mouse EMBRYOS to produce chimeric mice. The chimeric mice are then bred to yield a strain in which all the cells of the mouse contain the disrupted gene. Knockout mice are used as EXPERIMENTAL ANIMAL MODELS for diseases (DISEASE MODELS, ANIMAL) and to clarify the functions of the genes.
An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.
Elements of limited time intervals, contributing to particular results or situations.
A 29-amino acid pancreatic peptide derived from proglucagon which is also the precursor of intestinal GLUCAGON-LIKE PEPTIDES. Glucagon is secreted by PANCREATIC ALPHA CELLS and plays an important role in regulation of BLOOD GLUCOSE concentration, ketone metabolism, and several other biochemical and physiological processes. (From Gilman et al., Goodman and Gilman's The Pharmacological Basis of Therapeutics, 9th ed, p1511)
The chemical reactions involved in the production and utilization of various forms of energy in cells.
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.
Portable or implantable devices for infusion of insulin. Includes open-loop systems which may be patient-operated or controlled by a pre-set program and are designed for constant delivery of small quantities of insulin, increased during food ingestion, and closed-loop systems which deliver quantities of insulin automatically based on an electronic glucose sensor.
A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain.
Diabetes mellitus induced experimentally by administration of various diabetogenic agents or by PANCREATECTOMY.
PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS.
Regular insulin preparations that contain the SUS SCROFA insulin peptide sequence.
A monosaccharide in sweet fruits and honey that is soluble in water, alcohol, or ether. It is used as a preservative and an intravenous infusion in parenteral feeding.
Organic, monobasic acids derived from hydrocarbons by the equivalent of oxidation of a methyl group to an alcohol, aldehyde, and then acid. Fatty acids are saturated and unsaturated (FATTY ACIDS, UNSATURATED). (Grant & Hackh's Chemical Dictionary, 5th ed)
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.
Retinol binding proteins that circulate in the PLASMA. They are members of the lipocalin family of proteins and play a role in the transport of RETINOL from the LIVER to the peripheral tissues. The proteins are usually found in association with TRANSTHYRETIN.
A large group of membrane transport proteins that shuttle MONOSACCHARIDES across CELL MEMBRANES.
The metabolic process of breaking down LIPIDS to release FREE FATTY ACIDS, the major oxidative fuel for the body. Lipolysis may involve dietary lipids in the DIGESTIVE TRACT, circulating lipids in the BLOOD, and stored lipids in the ADIPOSE TISSUE or the LIVER. A number of enzymes are involved in such lipid hydrolysis, such as LIPASE and LIPOPROTEIN LIPASE from various tissues.
The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality.
Phosphotransferases that catalyzes the conversion of 1-phosphatidylinositol to 1-phosphatidylinositol 3-phosphate. Many members of this enzyme class are involved in RECEPTOR MEDIATED SIGNAL TRANSDUCTION and regulation of vesicular transport with the cell. Phosphatidylinositol 3-Kinases have been classified both according to their substrate specificity and their mode of action within the cell.
Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others.
The time period before the development of symptomatic diabetes. For example, certain risk factors can be observed in subjects who subsequently develop INSULIN RESISTANCE as in type 2 diabetes (DIABETES MELLITUS, TYPE 2).
Measurable and quantifiable biological parameters (e.g., specific enzyme concentration, specific hormone concentration, specific gene phenotype distribution in a population, presence of biological substances) which serve as indices for health- and physiology-related assessments, such as disease risk, psychiatric disorders, environmental exposure and its effects, disease diagnosis, metabolic processes, substance abuse, pregnancy, cell line development, epidemiologic studies, etc.
A collection of heterogenous conditions resulting from defective LIPID METABOLISM and characterized by ADIPOSE TISSUE atrophy. Often there is redistribution of body fat resulting in peripheral fat wasting and central adiposity. They include generalized, localized, congenital, and acquired lipodystrophy.
Insulin that has been modified to contain an ASPARTIC ACID instead of a PROLINE at position 38 of the B-chain.
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.
A subtype of DIABETES MELLITUS that is characterized by INSULIN deficiency. It is manifested by the sudden onset of severe HYPERGLYCEMIA, rapid progression to DIABETIC KETOACIDOSIS, and DEATH unless treated with insulin. The disease may occur at any age, but is most common in childhood or adolescence.
An intermediate-acting INSULIN preparation with onset time of 2 hours and duration of 24 hours. It is produced by crystallizing ZINC-insulin-PROTAMINES at neutral pH 7. Thus it is called neutral protamine Hagedorn for inventor Hans Christian Hagedorn.
Fatty tissue under the SKIN through out the body.
Hormones released from neoplasms or from other cells that are not the usual sources of hormones.
The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment.
Naturally occurring or experimentally induced animal diseases with pathological processes sufficiently similar to those of human diseases. They are used as study models for human diseases.
A circumscribed melanosis consisting of a brown-pigmented, velvety verrucosity or fine papillomatosis appearing in the axillae and other body folds. It occurs in association with endocrine disorders, underlying malignancy, administration of certain drugs, or as in inherited disorder.
A strain of albino rat used widely for experimental purposes because of its calmness and ease of handling. It was developed by the Sprague-Dawley Animal Company.
Regular course of eating and drinking adopted by a person or animal.
Fatty tissue composed of WHITE ADIPOCYTES and generally found directly under the skin (SUBCUTANEOUS FAT) and around the internal organs (ABDOMINAL FAT). It has less vascularization and less coloration than the BROWN FAT. White fat provides heat insulation, mechanical cushion, and source of energy.
Generic term for diseases caused by an abnormal metabolic process. It can be congenital due to inherited enzyme abnormality (METABOLISM, INBORN ERRORS) or acquired due to disease of an endocrine organ or failure of a metabolically important organ such as the liver. (Stedman, 26th ed)
The genetic constitution of the individual, comprising the ALLELES present at each GENETIC LOCUS.
Carbohydrates present in food comprising digestible sugars and starches and indigestible cellulose and other dietary fibers. The former are the major source of energy. The sugars are in beet and cane sugar, fruits, honey, sweet corn, corn syrup, milk and milk products, etc.; the starches are in cereal grains, legumes (FABACEAE), tubers, etc. (From Claudio & Lagua, Nutrition and Diet Therapy Dictionary, 3d ed, p32, p277)
Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation.
The relationship between the dose of an administered drug and the response of the organism to the drug.
Nonsusceptibility of bacteria to the action of TETRACYCLINE which inhibits aminoacyl-tRNA binding to the 30S ribosomal subunit during protein synthesis.
Established cell cultures that have the potential to propagate indefinitely.
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.
Peptide hormones that cause an increase in the absorption of GLUCOSE by cells within organs such as LIVER, MUSCLE and ADIPOSE TISSUE. During normal metabolism insulins are produced by the PANCREATIC BETA CELLS in response to increased GLUCOSE. Natural and chemically-modified forms of insulin are also used in the treatment of GLUCOSE METABOLISM DISORDERS such as DIABETES MELLITUS.
The time frame after a meal or FOOD INTAKE.
Minor hemoglobin components of human erythrocytes designated A1a, A1b, and A1c. Hemoglobin A1c is most important since its sugar moiety is glucose covalently bound to the terminal amino acid of the beta chain. Since normal glycohemoglobin concentrations exclude marked blood glucose fluctuations over the preceding three to four weeks, the concentration of glycosylated hemoglobin A is a more reliable index of the blood sugar average over a long period of time.
The consumption of edible substances.
A nuclear transcription factor. Heterodimerization with RETINOID X RECEPTOR ALPHA is important in regulation of GLUCOSE metabolism and CELL GROWTH PROCESSES. It is a target of THIAZOLIDINEDIONES for control of DIABETES MELLITUS.
The protein constituents of muscle, the major ones being ACTINS and MYOSINS. More than a dozen accessory proteins exist including TROPONIN; TROPOMYOSIN; and DYSTROPHIN.
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.
Persistently high systemic arterial BLOOD PRESSURE. Based on multiple readings (BLOOD PRESSURE DETERMINATION), hypertension is currently defined as when SYSTOLIC PRESSURE is consistently greater than 140 mm Hg or when DIASTOLIC PRESSURE is consistently 90 mm Hg or more.
A condition of elevated levels of TRIGLYCERIDES in the blood.
Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time.
A well-characterized basic peptide believed to be secreted by the liver and to circulate in the blood. It has growth-regulating, insulin-like, and mitogenic activities. This growth factor has a major, but not absolute, dependence on GROWTH HORMONE. It is believed to be mainly active in adults in contrast to INSULIN-LIKE GROWTH FACTOR II, which is a major fetal growth factor.
Biosynthesis of GLUCOSE from nonhexose or non-carbohydrate precursors, such as LACTATE; PYRUVATE; ALANINE; and GLYCEROL.
A disturbance in the prooxidant-antioxidant balance in favor of the former, leading to potential damage. Indicators of oxidative stress include damaged DNA bases, protein oxidation products, and lipid peroxidation products (Sies, Oxidative Stress, 1991, pxv-xvi).
Diseases of plants.
Nonsusceptibility of an organism to the action of penicillins.
Pathological conditions involving the CARDIOVASCULAR SYSTEM including the HEART; the BLOOD VESSELS; or the PERICARDIUM.
Regular insulin preparations that contain the HUMAN insulin peptide sequence.
Conditions with excess LIPIDS in the blood.
A condition caused by the excessive secretion of ANDROGENS from the ADRENAL CORTEX; the OVARIES; or the TESTES. The clinical significance in males is negligible. In women, the common manifestations are HIRSUTISM and VIRILISM as seen in patients with POLYCYSTIC OVARY SYNDROME and ADRENOCORTICAL HYPERFUNCTION.
Salts and esters of the 16-carbon saturated monocarboxylic acid--palmitic acid.
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.
Fatty tissue in the region of the ABDOMEN. It includes the ABDOMINAL SUBCUTANEOUS FAT and the INTRA-ABDOMINAL FAT.
Abnormalities in the serum levels of LIPIDS, including overproduction or deficiency. Abnormal serum lipid profiles may include high total CHOLESTEROL, high TRIGLYCERIDES, low HIGH DENSITY LIPOPROTEIN CHOLESTEROL, and elevated LOW DENSITY LIPOPROTEIN CHOLESTEROL.
The rate dynamics in chemical or physical systems.
The phenotypic manifestation of a gene or genes by the processes of GENETIC TRANSCRIPTION and GENETIC TRANSLATION.
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.
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.
A syndrome of abnormally low BLOOD GLUCOSE level. Clinical hypoglycemia has diverse etiologies. Severe hypoglycemia eventually lead to glucose deprivation of the CENTRAL NERVOUS SYSTEM resulting in HUNGER; SWEATING; PARESTHESIA; impaired mental function; SEIZURES; COMA; and even DEATH.
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.
Cholesterol which is contained in or bound to high-density lipoproteins (HDL), including CHOLESTEROL ESTERS and free cholesterol.
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.
Laboratory mice that have been produced from a genetically manipulated EGG or EMBRYO, MAMMALIAN.
Serum glycoprotein produced by activated MACROPHAGES and other mammalian MONONUCLEAR LEUKOCYTES. It has necrotizing activity against tumor cell lines and increases ability to reject tumor transplants. Also known as TNF-alpha, it is only 30% homologous to TNF-beta (LYMPHOTOXIN), but they share TNF RECEPTORS.
A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.
Studies which start with the identification of persons with a disease of interest and a control (comparison, referent) group without the disease. The relationship of an attribute to the disease is examined by comparing diseased and non-diseased persons with regard to the frequency or levels of the attribute in each group.
Decrease in existing BODY WEIGHT.
The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.
Any of the large interior organs in any one of the three great cavities of the body, especially in the abdomen.
A state of insufficient flesh on the body usually defined as having a body weight less than skeletal and physical standards. Depending on age, sex, and genetic background, a BODY MASS INDEX of less than 18.5 is considered as underweight.
Increase in BODY WEIGHT over existing weight.
A group of enzymes that catalyzes the phosphorylation of serine or threonine residues in proteins, with ATP or other nucleotides as phosphate donors.
The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.
A status with BODY WEIGHT that is above certain standard of acceptable or desirable weight. In the scale of BODY MASS INDEX, overweight is defined as having a BMI of 25.0-29.9 kg/m2. Overweight may or may not be due to increases in body fat (ADIPOSE TISSUE), hence overweight does not equal "over fat".
Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable.
The physical characteristics of the body, including the mode of performance of functions, the activity of metabolic processes, the manner and degree of reactions to stimuli, and power of resistance to the attack of pathogenic organisms.
An enzyme that catalyzes the transfer of D-glucose from UDPglucose into 1,4-alpha-D-glucosyl chains. EC 2.4.1.11.
Pathological conditions in which the BLOOD GLUCOSE cannot be maintained within the normal range, such as in HYPOGLYCEMIA and HYPERGLYCEMIA. Etiology of these disorders varies. Plasma glucose concentration is critical to survival for it is the predominant fuel for the CENTRAL NERVOUS SYSTEM.
A plasma protein that circulates in increased amounts during inflammation and after tissue damage.
A condition of having excess fat in the abdomen. Abdominal obesity is typically defined as waist circumferences of 40 inches or more in men and 35 inches or more in women. Abdominal obesity raises the risk of developing disorders, such as diabetes, hypertension and METABOLIC SYNDROME X.
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 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.
Proteins found in any species of bacterium.
A subtype of non-receptor protein tyrosine phosphatases that includes two distinctive targeting motifs; an N-terminal motif specific for the INSULIN RECEPTOR, and a C-terminal motif specific for the SH3 domain containing proteins. This subtype includes a hydrophobic domain which localizes it to the ENDOPLASMIC RETICULUM.
The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils.
The technique that deals with the measurement of the size, weight, and proportions of the human or other primate body.
Cell surface receptors for ADIPONECTIN, an antidiabetic hormone secreted by ADIPOCYTES. Adiponectin receptors are membrane proteins with multiple cytoplasmic and extracellular regions. They are about 43 kDa and encoded by at least two genes with different affinities for globular and full-length adiponectin.
Physical activity which is usually regular and done with the intention of improving or maintaining PHYSICAL FITNESS or HEALTH. Contrast with PHYSICAL EXERTION which is concerned largely with the physiologic and metabolic response to energy expenditure.
A nodular organ in the ABDOMEN that contains a mixture of ENDOCRINE GLANDS and EXOCRINE GLANDS. The small endocrine portion consists of the ISLETS OF LANGERHANS secreting a number of hormones into the blood stream. The large exocrine portion (EXOCRINE PANCREAS) is a compound acinar gland that secretes several digestive enzymes into the pancreatic ductal system that empties into the DUODENUM.
A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable.
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.
The measurement around the body at the level of the ABDOMEN and just above the hip bone. The measurement is usually taken immediately after exhalation.
Deposits of ADIPOSE TISSUE throughout the body. The pattern of fat deposits in the body regions is an indicator of health status. Excess ABDOMINAL FAT increases health risks more than excess fat around the hips or thighs, therefore, WAIST-HIP RATIO is often used to determine health risks.
A peptide of 36 or 37 amino acids that is derived from PROGLUCAGON and mainly produced by the INTESTINAL L CELLS. GLP-1(1-37 or 1-36) is further N-terminally truncated resulting in GLP-1(7-37) or GLP-1-(7-36) which can be amidated. These GLP-1 peptides are known to enhance glucose-dependent INSULIN release, suppress GLUCAGON release and gastric emptying, lower BLOOD GLUCOSE, and reduce food intake.
Insulin derivatives and preparations that are designed to induce a rapid HYPOGLYCEMIC EFFECT.
De novo fat synthesis in the body. This includes the synthetic processes of FATTY ACIDS and subsequent TRIGLYCERIDES in the LIVER and the ADIPOSE TISSUE. Lipogenesis is regulated by numerous factors, including nutritional, hormonal, and genetic elements.
Diabetes mellitus induced by PREGNANCY but resolved at the end of pregnancy. It does not include previously diagnosed diabetics who become pregnant (PREGNANCY IN DIABETICS). Gestational diabetes usually develops in late pregnancy when insulin antagonistic hormones peaks leading to INSULIN RESISTANCE; GLUCOSE INTOLERANCE; and HYPERGLYCEMIA.
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.
Mitochondria of skeletal and smooth muscle. It does not include myocardial mitochondria for which MITOCHONDRIA, HEART is available.
Total number of calories taken in daily whether ingested or by parenteral routes.
Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.
Benzopyrans saturated in the 2 and 3 positions.
Conversion of an inactive form of an enzyme to one possessing metabolic activity. It includes 1, activation by ions (activators); 2, activation by cofactors (coenzymes); and 3, conversion of an enzyme precursor (proenzyme or zymogen) to an active enzyme.
A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471).
The condition of weighing two, three, or more times the ideal weight, so called because it is associated with many serious and life-threatening disorders. In the BODY MASS INDEX, morbid obesity is defined as having a BMI greater than 40.0 kg/m2.
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.
Fatty tissue under the SKIN in the region of the ABDOMEN.
The waist circumference measurement divided by the hip circumference measurement. For both men and women, a waist-to-hip ratio (WHR) of 1.0 or higher is considered "at risk" for undesirable health consequences, such as heart disease and ailments associated with OVERWEIGHT. A healthy WHR is 0.90 or less for men, and 0.80 or less for women. (National Center for Chronic Disease Prevention and Health Promotion, 2004)
Endogenous substances, usually proteins, which are effective in the initiation, stimulation, or termination of the genetic transcription process.
Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein.
Large, multinucleate single cells, either cylindrical or prismatic in shape, that form the basic unit of SKELETAL MUSCLE. They consist of MYOFIBRILS enclosed within and attached to the SARCOLEMMA. They are derived from the fusion of skeletal myoblasts (MYOBLASTS, SKELETAL) into a syncytium, followed by differentiation.
Intracellular signaling protein kinases that play a signaling role in the regulation of cellular energy metabolism. Their activity largely depends upon the concentration of cellular AMP which is increased under conditions of low energy or metabolic stress. AMP-activated protein kinases modify enzymes involved in LIPID METABOLISM, which in turn provide substrates needed to convert AMP into ATP.
Statistical models in which the value of a parameter for a given value of a factor is assumed to be equal to a + bx, where a and b are constants. The models predict a linear regression.
An enzyme that catalyzes the formation of nicotinamide mononucleotide (NMN) from nicotinamide and 5-phosphoribosyl-1-pyrophosphate, the rate-limiting step in the biosynthesis of the NAD coenzyme. It is also known as a growth factor for early B-LYMPHOCYTES, or an ADIPOKINE with insulin-mimetic effects (visfatin).
Transport proteins that carry specific substances in the blood or across cell membranes.
Contractile tissue that produces movement in animals.
A class of plasmids that transfer antibiotic resistance from one bacterium to another by conjugation.

Microvascular function relates to insulin sensitivity and blood pressure in normal subjects. (1/9934)

BACKGROUND: A strong but presently unexplained inverse association between blood pressure and insulin sensitivity has been reported. Microvascular vasodilator capacity may be a common antecedent linking insulin sensitivity to blood pressure. To test this hypothesis, we studied 18 normotensive and glucose-tolerant subjects showing a wide range in insulin sensitivity as assessed with the hyperinsulinemic, euglycemic clamp technique. METHODS AND RESULTS: Blood pressure was measured by 24-hour ambulatory blood pressure monitoring. Videomicroscopy was used to measure skin capillary density and capillary recruitment after arterial occlusion. Skin blood flow responses after iontophoresis of acetylcholine and sodium nitroprusside were evaluated by laser Doppler flowmetry. Insulin sensitivity correlated with 24-hour systolic blood pressure (24-hour SBP; r=-0.50, P<0.05). Capillary recruitment and acetylcholine-mediated vasodilatation were strongly and positively related to insulin sensitivity (r=0.84, P<0.001; r=0.78, P<0.001, respectively), and capillary recruitment was inversely related to 24-hour SBP (r=-0.53, P<0.05). Waist-to-hip ratio showed strong associations with insulin sensitivity, blood pressure, and the measures of microvascular function but did not confound the associations between these variables. Subsequent regression analysis showed that the association between insulin sensitivity and blood pressure was not independent of the estimates of microvascular function, and part of the variation in both blood pressure (R2=38%) and insulin sensitivity (R2=71%) could be explained by microvascular function. CONCLUSIONS: Insulin sensitivity and blood pressure are associated well within the physiological range. Microvascular function strongly relates to both, consistent with a central role in linking these variables.  (+info)

The treatment of insulin resistance does not improve adrenal cytochrome P450c17alpha enzyme dysregulation in polycystic ovary syndrome. (2/9934)

OBJECTIVE: To determine whether metformin. when given to non-diabetic women with polycystic ovary syndrome (PCOS), results in a reduction of insulin resistance and hyperinsulinemia while body weight is maintained. Also we aimed to see whether the reduction in insulin levels attenuates the activity of adrenal P450c17alpha enzyme in patients with PCOS. DESIGN: We investigated the 17-hydroxyprogesterone (17-OHP) and androstenedione responses to ACTH, insulin responses to an oral glucose tolerance test (OGTT) and glucose disposal rate in an insulin tolerance test before and after metformin therapy (500 mg, orally, twice daily, for 12 weeks). METHODS: The presence of hyperinsulinemia in 15 women with PCOS was demonstrated by an OGTT and results were compared with those of 10 healthy women. Insulin sensitivity was measured by the rate of endogenous glucose disposal after i.v. bolus injection of insulin. 17-OHP and androstenedione responses to ACTH were measured in all the women with PCOS and the normal women. RESULTS: Women with PCOS were hyperinsulinemic (102.0+/-13.0 (S.E.M.) VS 46.2+/-4.4 pmol/l) and hyperandrogenemic (free testosterone 15.3+/-1.7 vs 7.9+/-0.6 nmol/l; androstenedione 11.8+/-0.8 vs 8.2+/-0.6 nmol/l) and more hirsute (modified Ferriman-Gallwey score, 17.7+/-1.6 vs 3.0+/-0.3) than healthy women. In addition, women with PCOS had higher 17-OHP and androstenedione responses to ACTH when compared with healthy women. Metformin therapy resulted in some improvement in insulin sensitivity and reduced the basal and post-glucose load insulin levels. But 17-OHP and androstenedione responses to ACTH were unaltered in response to metformin. CONCLUSIONS: PCOS is characterized by hyperactivity of the adrenal P450c17alpha enzyme and insulin resistance. It seems that there is no direct relationship between insulin resistance and adrenal P450c17alpha enzyme dysregulation.  (+info)

No association between the -308 polymorphism in the tumour necrosis factor alpha (TNFalpha) promoter region and polycystic ovaries. (3/9934)

The tumour necrosis factor (TNF)2 allele appears to be linked with increased insulin resistance and obesity, conditions often found in overweight patients with polycystic ovary syndrome (PCOS). The significance of TNFalpha polymorphism in relation to the clinical and biochemical parameters associated with PCOS was investigated in 122 well-characterized patients with polycystic ovaries (PCO). Of these, 84 had an abnormal menstrual cycle and were classified as having PCOS, while the remaining 38 had a normal menstrual cycle and were classified as having PCO. There were a further 28 individuals without PCO (non-PCO) and 108 individuals whose PCO status was undetermined (reference population). The promoter region of the TNFalpha gene was amplified by polymerase chain reaction (PCR), and the presence or absence of the polymorphism at -308 was determined by single-strand conformational polymorphism (SSCP) analysis. The less common TNF allele (TNF2) was found as TNF1/2 or TNF2/2 in 11/38 (29%) of PCO subjects, 25/84 (30%) of PCOS subjects, 7/28 (25%) of non-PCO subjects, and 45/108 (42%) of the reference population. There was no significant difference in the incidence of the TNF2 allele between the groups. The relationship of TNF genotype to clinical and biochemical parameters was examined. In both the PCO group and the PCOS group, the presence of the TNF2 allele was significantly associated with lower glucose values obtained from the glucose tolerance testing (P<0.05). The TNF genotype was not significantly associated with any clinical or biochemical parameter measured in the PCO, PCOS or non-PCOS groups. Thus, the TNFalpha -308 polymorphism does not appear to strongly influence genetic susceptibility to polycystic ovaries.  (+info)

Training in swimming reduces blood pressure and increases muscle glucose transport activity as well as GLUT4 contents in stroke-prone spontaneously hypertensive rats. (4/9934)

Exercise improves muscle insulin sensitivity and GLUT4 contents. We investigated the beneficial effects of swimming training on insulin sensitivity and genetic hypertension using stroke-prone hypertensive rats (SHRSP). We studied the relationship between genetic hypertension and insulin resistance in SHRSP and Wistar Kyoto rats (WKY) as a control. The systolic blood pressure of SHRSP was significantly reduced by 4-week swimming training (208.4 +/- 6.8 mmHg vs. 187.2 +/- 4.1 mmHg, p < 0.05). The swimming training also resulted in an approximately 20% increase in the insulin-stimulated glucose transport activity (p < 0.05) of soleus muscle strips and an approximately 3-fold increase in the plasma membrane GLUT4 protein expression (p < 0.01) in SHRSP. However, basal and insulin-stimulated glucose transport activity and GLUT4 contents were not significantly different between WKY and SHRSP. There was no difference in insulin resistance in skeletal muscle of SHRSP as compared with WKY. Our results indicated swimming training exercise improved not only hypertension but also muscle insulin sensitivity and GLUT4 protein expression in SHRSP.  (+info)

Increased insulin sensitivity and obesity resistance in mice lacking the protein tyrosine phosphatase-1B gene. (5/9934)

Protein tyrosine phosphatase-1B (PTP-1B) has been implicated in the negative regulation of insulin signaling. Disruption of the mouse homolog of the gene encoding PTP-1B yielded healthy mice that, in the fed state, had blood glucose concentrations that were slightly lower and concentrations of circulating insulin that were one-half those of their PTP-1B+/+ littermates. The enhanced insulin sensitivity of the PTP-1B-/- mice was also evident in glucose and insulin tolerance tests. The PTP-1B-/- mice showed increased phosphorylation of the insulin receptor in liver and muscle tissue after insulin injection in comparison to PTP-1B+/+ mice. On a high-fat diet, the PTP-1B-/- and PTP-1B+/- mice were resistant to weight gain and remained insulin sensitive, whereas the PTP-1B+/+ mice rapidly gained weight and became insulin resistant. These results demonstrate that PTP-1B has a major role in modulating both insulin sensitivity and fuel metabolism, thereby establishing it as a potential therapeutic target in the treatment of type 2 diabetes and obesity.  (+info)

Insulin resistance of muscle glucose transport in male and female rats fed a high-sucrose diet. (6/9934)

It has been reported that, unlike high-fat diets, high-sucrose diets cause insulin resistance in the absence of an increase in visceral fat and that the insulin resistance develops only in male rats. This study was done to 1) determine if isolated muscles of rats fed a high-sucrose diet are resistant to stimulation of glucose transport when studied in vitro and 2) obtain information regarding how the effects of high-sucrose and high-fat diets on muscle insulin resistance differ. We found that, compared with rat chow, semipurified high-sucrose and high-starch diets both caused increased visceral fat accumulation and insulin resistance of skeletal muscle glucose transport. Insulin responsiveness of 2-deoxyglucose (2-DG) transport measured in epitrochlearis and soleus muscles in vitro was decreased approximately 40% (P < 0.01) in both male and female rats fed a high-sucrose compared with a chow diet. The high-sucrose diet also caused resistance of muscle glucose transport to stimulation by contractions. There was a highly significant negative correlation between stimulated muscle 2-DG transport and visceral fat mass. In view of these results, the differences in insulin action in vivo observed by others in rats fed isocaloric high-sucrose and high-starch diets must be due to additional, specific effects of sucrose that do not carry over in muscles studied in vitro. We conclude that, compared with rat chow, semipurified high-sucrose and high-cornstarch diets, like high-fat diets, cause increased visceral fat accumulation and severe resistance of skeletal muscle glucose transport to stimulation by insulin and contractions.  (+info)

Relationship of plasmin generation to cardiovascular disease risk factors in elderly men and women. (7/9934)

Plasmin-alpha2-antiplasmin complex (PAP) marks plasmin generation and fibrinolytic balance. We recently observed that elevated levels of PAP predict acute myocardial infarction in the elderly, yet little is known about the correlates of PAP. We measured PAP in 800 elderly subjects who were free of clinical cardiovascular disease in 2 cohort studies: the Cardiovascular Health Study and the Honolulu Heart Program. Median PAP levels did not differ between the Cardiovascular Health Study (6.05+/-1.46 nmol/L) and the Honolulu Heart Program (6.11+/-1.44 nmol/L), and correlates of PAP were similar in both cohorts. In CHS, PAP levels increased with age (r=0. 30), procoagulant factors (eg, factor VIIc, r=0.15), thrombin activity (prothrombin fragment F1+2, r=0.29), and inflammation-sensitive proteins (eg, fibrinogen, r=0.44; factor VIIIc, r=0.37). PAP was associated with increased atherosclerosis as measured by the ankle-arm index (AAI) (P for trend, +info)

Relative contribution of insulin and its precursors to fibrinogen and PAI-1 in a large population with different states of glucose tolerance. The Insulin Resistance Atherosclerosis Study (IRAS). (8/9934)

Hyperinsulinemia is associated with the development of coronary heart disease. However, the underlying mechanisms are still poorly understood. Hypercoagulability and impaired fibrinolysis are possible candidates linking hyperinsulinism with atherosclerotic disease, and it has been suggested that proinsulin rather than insulin is the crucial pathophysiological agent. The aim of this study was to investigate the relationship of insulin and its precursors to markers of coagulation and fibrinolysis in a large triethnic population. A strong and independent relationship between plasminogen activator inhibitor-1 (PAI-1) antigen and insulin and its precursors (proinsulin, 32-33 split proinsulin) was found consistently across varying states of glucose tolerance (PAI-1 versus fasting insulin [proinsulin], r=0.38 [r=0.34] in normal glucose tolerance; r=0.42 [r=0.43] in impaired glucose tolerance; and r=0.38 [r=0.26] in type 2 diabetes; all P<0.001). The relationship remained highly significant even after accounting for insulin sensitivity as measured by a frequently sampled intravenous glucose tolerance test. In a stepwise multiple regression model after adjusting for age, sex, ethnicity, and clinic, both insulin and its precursors were significantly associated with PAI-1 levels. The relationship between fibrinogen and insulin and its precursors was significant in the overall population (r=0.20 for insulin and proinsulin; each P<0.001) but showed a more inconsistent pattern in subgroup analysis and after adjustments for demographic and metabolic variables. Stepwise multiple regression analysis showed that proinsulin (split products) but not fasting insulin significantly contributed to fibrinogen levels after adjustment for age, sex, clinic, and ethnicity. Decreased insulin sensitivity was independently associated with higher PAI-1 and fibrinogen levels. In summary, we were able to demonstrate an independent relationship of 2 crucial factors of hemostasis, fibrinogen and PAI-1, to insulin and its precursors. These findings may have important clinical implications in the risk assessment and prevention of macrovascular disease, not only in patients with overt diabetes but also in nondiabetic subjects who are hyperinsulinemic.  (+info)

There are several factors that can contribute to the development of insulin resistance, including:

1. Genetics: Insulin resistance can be inherited, and some people may be more prone to developing the condition based on their genetic makeup.
2. Obesity: Excess body fat, particularly around the abdominal area, can contribute to insulin resistance.
3. Physical inactivity: A sedentary lifestyle can lead to insulin resistance.
4. Poor diet: Consuming a diet high in refined carbohydrates and sugar can contribute to insulin resistance.
5. Other medical conditions: Certain medical conditions, such as polycystic ovary syndrome (PCOS) and Cushing's syndrome, can increase the risk of developing insulin resistance.
6. Medications: Certain medications, such as steroids and some antipsychotic drugs, can increase insulin resistance.
7. Hormonal imbalances: Hormonal changes during pregnancy or menopause can lead to insulin resistance.
8. Sleep apnea: Sleep apnea can contribute to insulin resistance.
9. Chronic stress: Chronic stress can lead to insulin resistance.
10. Aging: Insulin resistance tends to increase with age, particularly after the age of 45.

There are several ways to diagnose insulin resistance, including:

1. Fasting blood sugar test: This test measures the level of glucose in the blood after an overnight fast.
2. Glucose tolerance test: This test measures the body's ability to regulate blood sugar levels after consuming a sugary drink.
3. Insulin sensitivity test: This test measures the body's ability to respond to insulin.
4. Homeostatic model assessment (HOMA): This is a mathematical formula that uses the results of a fasting glucose and insulin test to estimate insulin resistance.
5. Adiponectin test: This test measures the level of adiponectin, a protein produced by fat cells that helps regulate blood sugar levels. Low levels of adiponectin are associated with insulin resistance.

There is no cure for insulin resistance, but it can be managed through lifestyle changes and medication. Lifestyle changes include:

1. Diet: A healthy diet that is low in processed carbohydrates and added sugars can help improve insulin sensitivity.
2. Exercise: Regular physical activity, such as aerobic exercise and strength training, can improve insulin sensitivity.
3. Weight loss: Losing weight, particularly around the abdominal area, can improve insulin sensitivity.
4. Stress management: Strategies to manage stress, such as meditation or yoga, can help improve insulin sensitivity.
5. Sleep: Getting adequate sleep is important for maintaining healthy insulin levels.

Medications that may be used to treat insulin resistance include:

1. Metformin: This is a commonly used medication to treat type 2 diabetes and improve insulin sensitivity.
2. Thiazolidinediones (TZDs): These medications, such as pioglitazone, improve insulin sensitivity by increasing the body's ability to use insulin.
3. Sulfonylureas: These medications stimulate the release of insulin from the pancreas, which can help improve insulin sensitivity.
4. DPP-4 inhibitors: These medications, such as sitagliptin, work by reducing the breakdown of the hormone incretin, which helps to increase insulin secretion and improve insulin sensitivity.
5. GLP-1 receptor agonists: These medications, such as exenatide, mimic the action of the hormone GLP-1 and help to improve insulin sensitivity.

It is important to note that these medications may have side effects, so it is important to discuss the potential benefits and risks with your healthcare provider before starting treatment. Additionally, lifestyle modifications such as diet and exercise can also be effective in improving insulin sensitivity and managing blood sugar levels.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Types of Experimental Diabetes Mellitus include:

1. Streptozotocin-induced diabetes: This type of EDM is caused by administration of streptozotocin, a chemical that damages the insulin-producing beta cells in the pancreas, leading to high blood sugar levels.
2. Alloxan-induced diabetes: This type of EDM is caused by administration of alloxan, a chemical that also damages the insulin-producing beta cells in the pancreas.
3. Pancreatectomy-induced diabetes: In this type of EDM, the pancreas is surgically removed or damaged, leading to loss of insulin production and high blood sugar levels.

Experimental Diabetes Mellitus has several applications in research, including:

1. Testing new drugs and therapies for diabetes treatment: EDM allows researchers to evaluate the effectiveness of new treatments on blood sugar control and other physiological processes.
2. Studying the pathophysiology of diabetes: By inducing EDM in animals, researchers can study the progression of diabetes and its effects on various organs and tissues.
3. Investigating the role of genetics in diabetes: Researchers can use EDM to study the effects of genetic mutations on diabetes development and progression.
4. Evaluating the efficacy of new diagnostic techniques: EDM allows researchers to test new methods for diagnosing diabetes and monitoring blood sugar levels.
5. Investigating the complications of diabetes: By inducing EDM in animals, researchers can study the development of complications such as retinopathy, nephropathy, and cardiovascular disease.

In conclusion, Experimental Diabetes Mellitus is a valuable tool for researchers studying diabetes and its complications. The technique allows for precise control over blood sugar levels and has numerous applications in testing new treatments, studying the pathophysiology of diabetes, investigating the role of genetics, evaluating new diagnostic techniques, and investigating complications.

The American Diabetes Association (ADA) defines prediabetes as having a fasting blood sugar level of 100-125 mg/dL or a 2-hour postprandial (after meal) blood sugar level of 140-199 mg/dL.

The prediabetic state is characterized by insulin resistance, which means that the body's cells are not able to effectively use insulin, a hormone produced by the pancreas that regulates blood sugar levels. As a result, blood sugar levels begin to rise, but not high enough to be classified as diabetes.

Prediabetes is a reversible condition, and individuals with this condition can take steps to lower their blood sugar levels and prevent the development of type 2 diabetes. Lifestyle changes such as losing weight, increasing physical activity, and following a healthy diet can help improve insulin sensitivity and reduce the risk of developing diabetes. In some cases, medication may also be prescribed to help lower blood sugar levels.

It's important to note that not everyone with prediabetes will develop type 2 diabetes, but it is a significant risk factor. Early detection and intervention can help prevent or delay the progression to type 2 diabetes, and improve overall health outcomes.

Lipodystrophy can be caused by genetic mutations, hormonal imbalances, or certain medications. It can also be associated with other medical conditions such as metabolic disorders, endocrine problems, and neurological diseases.

The symptoms of lipodystrophy can vary depending on the type and severity of the condition. Common symptoms include:

1. Muscle wasting and weakness
2. Fat redistribution to certain areas of the body (such as the face, neck, and torso)
3. Metabolic problems such as insulin resistance and high blood sugar
4. Hormonal imbalances
5. Abnormal body shape and proportions
6. Poor wound healing
7. Easy bruising and bleeding
8. Increased risk of infections
9. Joint pain and stiffness
10. Mood changes such as depression, anxiety, and irritability

Treatment for lipodystrophy depends on the underlying cause of the condition. Medications, lifestyle modifications, and surgery may be used to manage symptoms and improve quality of life. In some cases, lipodystrophy can be a sign of an underlying medical condition that needs to be treated.

Lipodystrophy can have a significant impact on an individual's quality of life, affecting their physical appearance, self-esteem, and ability to perform daily activities. It is important to seek medical attention if symptoms persist or worsen over time. With proper diagnosis and treatment, individuals with lipodystrophy can improve their symptoms and overall health.

Symptoms of type 1 diabetes can include increased thirst and urination, blurred vision, fatigue, weight loss, and skin infections. If left untreated, type 1 diabetes can lead to serious complications such as kidney damage, nerve damage, and blindness.

Type 1 diabetes is diagnosed through a combination of physical examination, medical history, and laboratory tests such as blood glucose measurements and autoantibody tests. Treatment typically involves insulin therapy, which can be administered via injections or an insulin pump, as well as regular monitoring of blood glucose levels and appropriate lifestyle modifications such as a healthy diet and regular exercise.

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.

There are two main types of acanthosis nigricans:

1. Congenital acanthosis nigricans (CAN): present at birth and usually affects the neck, arms, and legs. This type is associated with certain genetic disorders such as Down syndrome.
2. Acquired acanthosis nigricans (AAN): develops over time and can occur in various parts of the body, particularly in areas exposed to the sun. It is often seen in people with obesity, diabetes, hypothyroidism, and other endocrine disorders.

The exact cause of acanthosis nigricans is not fully understood, but it is believed to be related to hormonal imbalances, insulin resistance, and inflammation. Treatment options include topical creams, phototherapy, and systemic medications such as retinoids and anti-diabetic drugs. In some cases, surgical excision may be necessary.

While acanthosis nigricans is not a life-threatening condition, it can have a significant impact on quality of life due to the unsightly appearance of the affected areas and potential skin irritation or infection. Early detection and proper management are essential to prevent complications and improve outcomes.

These diseases can cause a wide range of symptoms such as fatigue, weight changes, and poor wound healing. Treatment options vary depending on the specific condition but may include lifestyle changes, medications, or surgery.

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.

There are several causes of hypertriglyceridemia, including:

* Genetics: Some people may inherit a tendency to have high triglyceride levels due to genetic mutations that affect the genes involved in triglyceride metabolism.
* Obesity: Excess body weight is associated with higher triglyceride levels, as there is more fat available for energy.
* Diabetes: Both type 1 and type 2 diabetes can lead to high triglyceride levels due to insulin resistance and altered glucose metabolism.
* High-carbohydrate diet: Consuming high amounts of carbohydrates, particularly refined or simple carbohydrates, can cause a spike in blood triglycerides.
* Alcohol consumption: Drinking too much alcohol can increase triglyceride levels in the blood.
* Certain medications: Some drugs, such as anabolic steroids and some antidepressants, can raise triglyceride levels.
* Underlying medical conditions: Certain medical conditions, such as hypothyroidism, kidney disease, and polycystic ovary syndrome (PCOS), can also contribute to high triglyceride levels.

Hypertriglyceridemia is typically diagnosed with a blood test that measures the level of triglycerides in the blood. Treatment options for hypertriglyceridemia depend on the underlying cause of the condition, but may include lifestyle modifications such as weight loss, dietary changes, and medications to lower triglyceride levels.

1. Coronary artery disease: The narrowing or blockage of the coronary arteries, which supply blood to the heart.
2. Heart failure: A condition in which the heart is unable to pump enough blood to meet the body's needs.
3. Arrhythmias: Abnormal heart rhythms that can be too fast, too slow, or irregular.
4. Heart valve disease: Problems with the heart valves that control blood flow through the heart.
5. Heart muscle disease (cardiomyopathy): Disease of the heart muscle that can lead to heart failure.
6. Congenital heart disease: Defects in the heart's structure and function that are present at birth.
7. Peripheral artery disease: The narrowing or blockage of blood vessels that supply oxygen and nutrients to the arms, legs, and other organs.
8. Deep vein thrombosis (DVT): A blood clot that forms in a deep vein, usually in the leg.
9. Pulmonary embolism: A blockage in one of the arteries in the lungs, which can be caused by a blood clot or other debris.
10. Stroke: A condition in which there is a lack of oxygen to the brain due to a blockage or rupture of blood vessels.

There are several types of hyperlipidemia, including:

1. High cholesterol: This is the most common type of hyperlipidemia and is characterized by elevated levels of low-density lipoprotein (LDL) cholesterol, also known as "bad" cholesterol.
2. High triglycerides: This type of hyperlipidemia is characterized by elevated levels of triglycerides in the blood. Triglycerides are a type of fat found in the blood that is used for energy.
3. Low high-density lipoprotein (HDL) cholesterol: HDL cholesterol is known as "good" cholesterol because it helps remove excess cholesterol from the bloodstream and transport it to the liver for excretion. Low levels of HDL cholesterol can contribute to hyperlipidemia.

Symptoms of hyperlipidemia may include xanthomas (fatty deposits on the skin), corneal arcus (a cloudy ring around the iris of the eye), and tendon xanthomas (tender lumps under the skin). However, many people with hyperlipidemia have no symptoms at all.

Hyperlipidemia can be diagnosed through a series of blood tests that measure the levels of different types of cholesterol and triglycerides in the blood. Treatment for hyperlipidemia typically involves dietary changes, such as reducing intake of saturated fats and cholesterol, and increasing physical activity. Medications such as statins, fibric acid derivatives, and bile acid sequestrants may also be prescribed to lower cholesterol levels.

In severe cases of hyperlipidemia, atherosclerosis (hardening of the arteries) can occur, which can lead to cardiovascular disease, including heart attacks and strokes. Therefore, it is important to diagnose and treat hyperlipidemia early on to prevent these complications.

There are several possible causes of hyperandrogenism, including:

1. Congenital adrenal hyperplasia (CAH): A genetic disorder that affects the production of cortisol and aldosterone hormones by the adrenal glands.
2. Polycystic ovary syndrome (PCOS): A hormonal disorder that affects women of reproductive age and is characterized by cysts on the ovaries, irregular menstrual cycles, and high levels of androgens.
3. Adrenal tumors: Tumors in the adrenal glands can cause excessive production of androgens.
4. Familial hyperandrogenism: A rare inherited condition that causes an overproduction of androgens.
5. Obesity: Excess body fat can lead to increased production of androgens.

The symptoms of hyperandrogenism can vary depending on the cause, but may include:

1. Acne
2. Hirsutism (excessive hair growth)
3. Virilization (male-like physical characteristics, such as deepening of the voice and clitoral enlargement in women)
4. Male pattern baldness
5. Increased muscle mass and strength
6. Irregular menstrual cycles or cessation of menstruation
7. Infertility
8. Elevated blood pressure
9. Elevated cholesterol levels

Treatment options for hyperandrogenism depend on the underlying cause, but may include:

1. Medications to reduce androgen production or block their effects
2. Hormone replacement therapy (HRT) to restore normal hormone balance
3. Surgery to remove tumors or cysts
4. Weight loss programs to reduce excess body fat
5. Lifestyle changes, such as exercise and dietary modifications, to improve overall health.

It's important to note that hyperandrogenism can also be caused by other factors, such as congenital adrenal hyperplasia or ovarian tumors, so it's important to consult a healthcare professional for proper diagnosis and treatment.

There are several types of dyslipidemias, including:

1. Hyperlipidemia: Elevated levels of lipids and lipoproteins in the blood, which can increase the risk of CVD.
2. Hypolipidemia: Low levels of lipids and lipoproteins in the blood, which can also increase the risk of CVD.
3. Mixed dyslipidemia: A combination of hyperlipidemia and hypolipidemia.
4. Familial dyslipidemia: An inherited condition that affects the levels of lipids and lipoproteins in the blood.
5. Acquired dyslipidemia: A condition caused by other factors, such as poor diet or medication side effects.

Dyslipidemias can be diagnosed through a variety of tests, including fasting blood sugar (FBS), lipid profile, and apolipoprotein testing. Treatment for dyslipidemias often involves lifestyle changes, such as dietary modifications and increased physical activity, as well as medications to lower cholesterol and triglycerides.

In conclusion, dyslipidemias are abnormalities in the levels or composition of lipids and lipoproteins in the blood that can increase the risk of CVD. They can be caused by a variety of factors and diagnosed through several tests. Treatment often involves lifestyle changes and medications to lower cholesterol and triglycerides.

In extreme cases, hypoglycemia can lead to seizures, loss of consciousness, and even coma. It is important to recognize the symptoms of hypoglycemia early on and seek medical attention if they persist or worsen over time. Treatment typically involves raising blood sugar levels through the consumption of quick-acting carbohydrates such as glucose tablets, fruit juice, or hard candy.

If left untreated, hypoglycemia can have serious consequences, including long-term damage to the brain, heart, and other organs. It is important for individuals with diabetes to monitor their blood sugar levels regularly and work with their healthcare provider to manage their condition effectively.

There are many different approaches to weight loss, and what works best for one person may not work for another. Some common strategies for weight loss include:

* Caloric restriction: Reducing daily caloric intake to create a calorie deficit that promotes weight loss.
* Portion control: Eating smaller amounts of food and avoiding overeating.
* Increased physical activity: Engaging in regular exercise, such as walking, running, swimming, or weightlifting, to burn more calories and build muscle mass.
* Behavioral modifications: Changing habits and behaviors related to eating and exercise, such as keeping a food diary or enlisting the support of a weight loss buddy.

Weight loss can have numerous health benefits, including:

* Improved blood sugar control
* Reduced risk of heart disease and stroke
* Lowered blood pressure
* Improved joint health and reduced risk of osteoarthritis
* Improved sleep quality
* Boosted mood and reduced stress levels
* Increased energy levels

However, weight loss can also be challenging, and it is important to approach it in a healthy and sustainable way. Crash diets and other extreme weight loss methods are not effective in the long term and can lead to nutrient deficiencies and other negative health consequences. Instead, it is important to focus on making sustainable lifestyle changes that can be maintained over time.

Some common misconceptions about weight loss include:

* All weight loss methods are effective for everyone.
* Weight loss should always be the primary goal of a fitness or health program.
* Crash diets and other extreme weight loss methods are a good way to lose weight quickly.
* Weight loss supplements and fad diets are a reliable way to achieve significant weight loss.

The most effective ways to lose weight and maintain weight loss include:

* Eating a healthy, balanced diet that is high in nutrient-dense foods such as fruits, vegetables, whole grains, lean proteins, and healthy fats.
* Engaging in regular physical activity, such as walking, running, swimming, or weight training.
* Getting enough sleep and managing stress levels.
* Aiming for a gradual weight loss of 1-2 pounds per week.
* Focusing on overall health and wellness rather than just the number on the scale.

It is important to remember that weight loss is not always linear and can vary from week to week. It is also important to be patient and consistent with your weight loss efforts, as it can take time to see significant results.

Overall, weight loss can be a challenging but rewarding process, and it is important to approach it in a healthy and sustainable way. By focusing on overall health and wellness rather than just the number on the scale, you can achieve a healthy weight and improve your overall quality of life.

In medicine, thinness is sometimes used as a diagnostic criterion for certain conditions, such as anorexia nervosa or cancer cachexia. In these cases, thinness can be a sign of a serious underlying condition that requires medical attention.

However, it's important to note that thinness alone is not enough to diagnose any medical condition. Other factors, such as a person's overall health, medical history, and physical examination findings, must also be taken into account when making a diagnosis. Additionally, it's important to recognize that being underweight or having a low BMI does not necessarily mean that someone is unhealthy or has a medical condition. Many people with a healthy weight and body composition can still experience negative health effects from societal pressure to be thin.

Overall, the concept of thinness in medicine is complex and multifaceted, and it's important for healthcare providers to consider all relevant factors when evaluating a patient's weight and overall health.

There are several different types of weight gain, including:

1. Clinical obesity: This is defined as a BMI of 30 or higher, and is typically associated with a range of serious health problems, such as heart disease, type 2 diabetes, and certain types of cancer.
2. Central obesity: This refers to excess fat around the waistline, which can increase the risk of health problems such as heart disease and type 2 diabetes.
3. Muscle gain: This occurs when an individual gains weight due to an increase in muscle mass, rather than fat. This type of weight gain is generally considered healthy and can improve overall fitness and athletic performance.
4. Fat gain: This occurs when an individual gains weight due to an increase in body fat, rather than muscle or bone density. Fat gain can increase the risk of health problems such as heart disease and type 2 diabetes.

Weight gain can be measured using a variety of methods, including:

1. Body mass index (BMI): This is a widely used measure of weight gain that compares an individual's weight to their height. A BMI of 18.5-24.9 is considered normal, while a BMI of 25-29.9 is considered overweight, and a BMI of 30 or higher is considered obese.
2. Waist circumference: This measures the distance around an individual's waistline and can be used to assess central obesity.
3. Skinfold measurements: These involve measuring the thickness of fat at specific points on the body, such as the abdomen or thighs.
4. Dual-energy X-ray absorptiometry (DXA): This is a non-invasive test that uses X-rays to measure bone density and body composition.
5. Bioelectrical impedance analysis (BIA): This is a non-invasive test that uses electrical impulses to measure body fat percentage and other physiological parameters.

Causes of weight gain:

1. Poor diet: Consuming high amounts of processed foods, sugar, and saturated fats can lead to weight gain.
2. Lack of physical activity: Engaging in regular exercise can help burn calories and maintain a healthy weight.
3. Genetics: An individual's genetic makeup can affect their metabolism and body composition, making them more prone to weight gain.
4. Hormonal imbalances: Imbalances in hormones such as insulin, thyroid, and cortisol can contribute to weight gain.
5. Medications: Certain medications, such as steroids and antidepressants, can cause weight gain as a side effect.
6. Sleep deprivation: Lack of sleep can disrupt hormones that regulate appetite and metabolism, leading to weight gain.
7. Stress: Chronic stress can lead to emotional eating and weight gain.
8. Age: Metabolism slows down with age, making it more difficult to maintain a healthy weight.
9. Medical conditions: Certain medical conditions such as hypothyroidism, Cushing's syndrome, and polycystic ovary syndrome (PCOS) can also contribute to weight gain.

Treatment options for obesity:

1. Lifestyle modifications: A combination of diet, exercise, and stress management techniques can help individuals achieve and maintain a healthy weight.
2. Medications: Prescription medications such as orlistat, phentermine-topiramate, and liraglutide can aid in weight loss.
3. Bariatric surgery: Surgical procedures such as gastric bypass surgery and sleeve gastrectomy can be effective for severe obesity.
4. Behavioral therapy: Cognitive-behavioral therapy (CBT) and other forms of counseling can help individuals develop healthy eating habits and improve their physical activity levels.
5. Meal replacement plans: Meal replacement plans such as Medifast can provide individuals with a structured diet that is high in protein, fiber, and vitamins, and low in calories and sugar.
6. Weight loss supplements: Supplements such as green tea extract, garcinia cambogia, and forskolin can help boost weight loss efforts.
7. Portion control: Using smaller plates and measuring cups can help individuals regulate their portion sizes and maintain a healthy weight.
8. Mindful eating: Paying attention to hunger and fullness cues, eating slowly, and savoring food can help individuals develop healthy eating habits.
9. Physical activity: Engaging in regular physical activity such as walking, running, swimming, or cycling can help individuals burn calories and maintain a healthy weight.

It's important to note that there is no one-size-fits-all approach to treating obesity, and the most effective treatment plan will depend on the individual's specific needs and circumstances. Consulting with a healthcare professional such as a registered dietitian or a physician can help individuals develop a personalized treatment plan that is safe and effective.

Being overweight can increase the risk of various health problems, such as heart disease, type 2 diabetes, high blood pressure, and certain types of cancer. It can also affect a person's mental health and overall quality of life.

There are several ways to assess whether someone is overweight or not. One common method is using the BMI, which is calculated based on height and weight. Another method is measuring body fat percentage, which can be done with specialized tools such as skinfold calipers or bioelectrical impedance analysis (BIA).

Losing weight and maintaining a healthy weight can be achieved through a combination of diet, exercise, and lifestyle changes. Some examples of healthy weight loss strategies include:

* Eating a balanced diet that is high in fruits, vegetables, whole grains, and lean protein sources
* Engaging in regular physical activity, such as walking, running, swimming, or weight training
* Avoiding fad diets and quick fixes
* Getting enough sleep and managing stress levels
* Setting realistic weight loss goals and tracking progress over time.

Some common types of glucose metabolism disorders include:

1. Diabetes mellitus: This is a group of diseases characterized by high blood sugar levels due to defects in insulin production, insulin action, or both. There are several types of diabetes, including type 1, type 2, and gestational diabetes.
2. Hypoglycemia: This is a condition characterized by low blood sugar levels, typically below 70 mg/dL. It can be caused by a variety of factors, including medication side effects, hormonal changes, or certain medical conditions.
3. Hyperglycemia: This is a condition characterized by high blood sugar levels, typically above 140 mg/dL. It can be caused by a variety of factors, including diabetes, stress, or medication side effects.
4. Insulin resistance: This is a condition in which the body's cells become less responsive to insulin, leading to high blood sugar levels. It is often associated with type 2 diabetes and obesity.
5. Metabolic syndrome: This is a cluster of conditions that increase the risk of developing type 2 diabetes and cardiovascular disease. These conditions include central obesity, hypertension, high triglycerides, low HDL cholesterol, and high blood sugar.

Glucose metabolism disorders can have serious complications if left untreated, including nerve damage, kidney damage, and an increased risk of heart disease and stroke. Treatment for these disorders typically involves a combination of dietary changes, medication, and lifestyle modifications.

There are several ways to measure abdominal obesity, including:

1. Waist circumference: Measured by circling the natural waistline with a tape measure. Excess fat around the waistline is defined as a circumference of 35 inches or more for women and 40 inches or more for men.
2. Waist-to-hip ratio: Measured by dividing the circumference of the natural waistline by the circumference of the hips. A ratio of 0.8 or higher indicates abdominal obesity.
3. Body fat distribution: Measured using techniques such as dual-energy X-ray absorptiometry (DXA) or bioelectrical impedance analysis (BIA). These methods can estimate the amount of fat in various areas of the body, including the abdomen.

There are several factors that contribute to the development of abdominal obesity, including:

1. Genetics: Inheritance plays a role in the distribution of body fat, with some people more prone to accumulating fat around the midsection.
2. Poor diet: Consuming high amounts of processed foods, sugar, and saturated fats can contribute to weight gain and abdominal obesity.
3. Lack of physical activity: Sedentary lifestyle can lead to a decrease in muscle mass and an increase in body fat, including around the abdomen.
4. Age: As people age, their metabolism slows down, leading to weight gain and increased risk of obesity.
5. Hormonal imbalances: Certain hormonal imbalances, such as hypothyroidism or polycystic ovary syndrome (PCOS), can increase the risk of developing abdominal obesity.

Abdominal obesity is a significant health risk due to its association with various chronic diseases, including:

1. Type 2 diabetes: Excess fat around the abdominal area can lead to insulin resistance and increase the risk of developing type 2 diabetes.
2. Cardiovascular disease: Abdominal obesity is a major risk factor for heart disease, as excess fat in this area can increase the risk of high blood pressure, high cholesterol, and triglycerides.
3. Cancer: Studies have shown that central obesity is associated with an increased risk of certain types of cancer, including colon, breast, and pancreatic cancer.
4. Non-alcoholic fatty liver disease (NAFLD): Abdominal obesity can lead to the development of NAFLD, a condition characterized by fat accumulation in the liver, which can increase the risk of liver damage and other health complications.
5. Sleep apnea: Excess fat around the abdomen can increase the risk of sleep apnea, a condition characterized by pauses in breathing during sleep.
6. Respiratory problems: Abdominal obesity can increase the risk of respiratory problems, such as asthma and chronic obstructive pulmonary disease (COPD).
7. Osteoarthritis: Excess weight, particularly around the abdomen, can increase the risk of osteoarthritis in the knees and hips.
8. Mental health: Central obesity has been linked to an increased risk of depression and other mental health conditions.
9. Fertility problems: Abdominal obesity can affect fertility in both men and women, as excess fat can disrupt hormone levels and reduce the likelihood of conception.
10. Reduced life expectancy: Abdominal obesity is associated with a shorter life expectancy, as it increases the risk of various chronic diseases that can reduce lifespan.

Definition:

* A form of diabetes that develops during pregnancy
* Caused by hormonal changes and insulin resistance
* Can lead to complications for both the mother and the baby
* Typically goes away after childbirth

Morbid obesity is typically defined as a BMI of 40 or higher, but some experts define it as a BMI of 35 or higher with one or more obesity-related health conditions, such as high blood pressure, type 2 diabetes, or sleep apnea.

Morbid obesity is different from simple obesity, which is defined as a BMI of 30 to 39. While simple obesity can also increase the risk of health problems, it is generally considered less severe than morbid obesity.

Morbid obesity is often treated with a combination of lifestyle changes, such as diet and exercise, and medications or surgery. In some cases, bariatric surgery may be recommended to help achieve and maintain weight loss.

It is important to note that BMI is not always an accurate measure of health, as it does not take into account muscle mass or body composition. However, it can provide a general indicator of whether an individual is at a healthy weight or if they are at risk for health problems due to their weight.

1. Heart Disease: High blood sugar levels can damage the blood vessels and increase the risk of heart disease, which includes conditions like heart attacks, strokes, and peripheral artery disease.
2. Kidney Damage: Uncontrolled diabetes can damage the kidneys over time, leading to chronic kidney disease and potentially even kidney failure.
3. Nerve Damage: High blood sugar levels can damage the nerves in the body, causing numbness, tingling, and pain in the hands and feet. This is known as diabetic neuropathy.
4. Eye Problems: Diabetes can cause changes in the blood vessels of the eyes, leading to vision problems and even blindness. This is known as diabetic retinopathy.
5. Infections: People with diabetes are more prone to developing skin infections, urinary tract infections, and other types of infections due to their weakened immune system.
6. Amputations: Poor blood flow and nerve damage can lead to amputations of the feet or legs if left untreated.
7. Cognitive Decline: Diabetes has been linked to an increased risk of cognitive decline and dementia.
8. Sexual Dysfunction: Men with diabetes may experience erectile dysfunction, while women with diabetes may experience decreased sexual desire and vaginal dryness.
9. Gum Disease: People with diabetes are more prone to developing gum disease and other oral health problems due to their increased risk of infection.
10. Flu and Pneumonia: Diabetes can weaken the immune system, making it easier to catch the flu and pneumonia.

It is important for people with diabetes to manage their condition properly to prevent or delay these complications from occurring. This includes monitoring blood sugar levels regularly, taking medication as prescribed by a doctor, and following a healthy diet and exercise plan. Regular check-ups with a healthcare provider can also help identify any potential complications early on and prevent them from becoming more serious.

The disease begins with endothelial dysfunction, which allows lipid accumulation in the artery wall. Macrophages take up oxidized lipids and become foam cells, which die and release their contents, including inflammatory cytokines, leading to further inflammation and recruitment of more immune cells.

The atherosclerotic plaque can rupture or ulcerate, leading to the formation of a thrombus that can occlude the blood vessel, causing ischemia or infarction of downstream tissues. This can lead to various cardiovascular diseases such as myocardial infarction (heart attack), stroke, and peripheral artery disease.

Atherosclerosis is a multifactorial disease that is influenced by genetic and environmental factors such as smoking, hypertension, diabetes, high cholesterol levels, and obesity. It is diagnosed by imaging techniques such as angiography, ultrasound, or computed tomography (CT) scans.

Treatment options for atherosclerosis include lifestyle modifications such as smoking cessation, dietary changes, and exercise, as well as medications such as statins, beta blockers, and angiotensin-converting enzyme (ACE) inhibitors. In severe cases, surgical interventions such as bypass surgery or angioplasty may be necessary.

In conclusion, atherosclerosis is a complex and multifactorial disease that affects the arteries and can lead to various cardiovascular diseases. Early detection and treatment can help prevent or slow down its progression, reducing the risk of complications and improving patient outcomes.

Insulinoma is a rare type of pancreatic tumor that produces excess insulin, leading to low blood sugar levels. These tumors are typically benign and can be treated with surgery or medication.

Insulinomas account for only about 5% of all pancreatic neuroendocrine tumors. They usually occur in the head of the pancreas and can cause a variety of symptoms, including:

1. Hypoglycemia (low blood sugar): The excess insulin produced by the tumor can cause blood sugar levels to drop too low, leading to symptoms such as shakiness, dizziness, confusion, and rapid heartbeat.
2. Hyperinsulinism (elevated insulin levels): In addition to hypoglycemia, insulinomas can also cause elevated insulin levels in the blood.
3. Abdominal pain: Insulinomas can cause abdominal pain and discomfort.
4. Weight loss: Patients with insulinomas may experience unexplained weight loss.
5. Nausea and vomiting: Some patients may experience nausea and vomiting due to the hypoglycemia or other symptoms caused by the tumor.

Insulinomas are usually diagnosed through a combination of imaging tests such as CT scans, MRI scans, and PET scans, and by measuring insulin and C-peptide levels in the blood. Treatment options for insulinomas include surgery to remove the tumor, medications to control hypoglycemia and hyperinsulinism, and somatostatin analogs to reduce hormone secretion.

Insulinoma is a rare and complex condition that requires careful management by a multidisciplinary team of healthcare professionals, including endocrinologists, surgeons, and radiologists. With appropriate treatment, most patients with insulinomas can experience long-term remission and improved quality of life.

The term "lipodystrophy" refers to a group of conditions in which there is a loss or abnormal distribution of fat cells. Congenital generalized lipodystrophy is the most severe form of lipodystrophy and is usually diagnosed at birth or soon after.

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

1. Poor muscle tone (hypotonia)
2. Delayed development of motor skills
3. Fatigue and weakness
4. Poor appetite and growth delay
5. Abnormal fat distribution in the body
6. Metabolic problems, such as high blood sugar and insulin resistance
7. Increased risk of infections and other complications.

CGL is caused by mutations in genes that are important for adipose tissue development and function. There is currently no cure for CGL, but treatment may involve a combination of medication, nutritional support, and lifestyle modifications to manage the associated symptoms and complications.

The prognosis for individuals with CGL can vary depending on the severity of the condition and the presence of any additional health problems. However, with appropriate medical care and support, many individuals with CGL are able to lead active and fulfilling lives.

There are several types of diabetic angiopathies, including:

1. Peripheral artery disease (PAD): This occurs when the blood vessels in the legs and arms become narrowed or blocked, leading to reduced blood flow and oxygen supply to the limbs.
2. Peripheral neuropathy: This is damage to the nerves in the hands and feet, which can cause pain, numbness, and weakness.
3. Retinopathy: This is damage to the blood vessels in the retina, which can lead to vision loss and blindness.
4. Nephropathy: This is damage to the kidneys, which can lead to kidney failure and the need for dialysis.
5. Cardiovascular disease: This includes heart attack, stroke, and other conditions that affect the heart and blood vessels.

The risk of developing diabetic angiopathies increases with the duration of diabetes and the level of blood sugar control. Other factors that can increase the risk include high blood pressure, high cholesterol, smoking, and a family history of diabetes-related complications.

Symptoms of diabetic angiopathies can vary depending on the specific type of complication and the location of the affected blood vessels or nerves. Common symptoms include:

* Pain or discomfort in the arms, legs, hands, or feet
* Numbness or tingling sensations in the hands and feet
* Weakness or fatigue in the limbs
* Difficulty healing wounds or cuts
* Vision changes or blindness
* Kidney problems or failure
* Heart attack or stroke

Diagnosis of diabetic angiopathies typically involves a combination of physical examination, medical history, and diagnostic tests such as ultrasound, MRI, or CT scans. Treatment options vary depending on the specific type of complication and may include:

* Medications to control blood sugar levels, high blood pressure, and high cholesterol
* Lifestyle changes such as a healthy diet and regular exercise
* Surgery to repair or bypass affected blood vessels or nerves
* Dialysis for kidney failure
* In some cases, amputation of the affected limb

Preventing diabetic angiopathies involves managing diabetes effectively through a combination of medication, lifestyle changes, and regular medical check-ups. Early detection and treatment can help prevent or delay the progression of complications.

[Note: This definition is a summary and an explanation of the term 'Lipodystrophy, Familial Partial' in the medical field.]

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."


Examples of syndromes include:

1. Down syndrome: A genetic disorder caused by an extra copy of chromosome 21 that affects intellectual and physical development.
2. Turner syndrome: A genetic disorder caused by a missing or partially deleted X chromosome that affects physical growth and development in females.
3. Marfan syndrome: A genetic disorder affecting the body's connective tissue, causing tall stature, long limbs, and cardiovascular problems.
4. Alzheimer's disease: A neurodegenerative disorder characterized by memory loss, confusion, and changes in personality and behavior.
5. Parkinson's disease: A neurological disorder characterized by tremors, rigidity, and difficulty with movement.
6. Klinefelter syndrome: A genetic disorder caused by an extra X chromosome in males, leading to infertility and other physical characteristics.
7. Williams syndrome: A rare genetic disorder caused by a deletion of genetic material on chromosome 7, characterized by cardiovascular problems, developmental delays, and a distinctive facial appearance.
8. Fragile X syndrome: The most common form of inherited intellectual disability, caused by an expansion of a specific gene on the X chromosome.
9. Prader-Willi syndrome: A genetic disorder caused by a defect in the hypothalamus, leading to problems with appetite regulation and obesity.
10. Sjogren's syndrome: An autoimmune disorder that affects the glands that produce tears and saliva, causing dry eyes and mouth.

Syndromes can be diagnosed through a combination of physical examination, medical history, laboratory tests, and imaging studies. Treatment for a syndrome depends on the underlying cause and the specific symptoms and signs presented by the patient.

The exact cause of lipoatrophic diabetes mellitus is not fully understood, but it is believed to be related to an autoimmune response, where the body's immune system mistakenly attacks the insulin-producing cells in the pancreas. The condition is more common in males than females and typically affects adults between the ages of 20 and 40.

The diagnosis of lipoatrophic diabetes mellitus is based on a combination of clinical findings, laboratory tests, and imaging studies. Laboratory tests may include measurements of blood sugar levels, insulin levels, and antibodies against insulin or pancreatic cells. Imaging studies, such as CT scans or MRI scans, may be used to evaluate the pancreas and identify any damage to the insulin-producing cells.

Treatment of lipoatrophic diabetes mellitus typically involves a combination of insulin replacement therapy and lifestyle modifications such as a healthy diet and regular exercise. In some cases, medications such as metformin or sulfonylureas may be used to help improve insulin sensitivity. Regular monitoring of blood sugar levels and follow-up with a healthcare provider are also important to prevent complications associated with the condition.

In summary, lipoatrophic diabetes mellitus is a rare form of diabetes that is characterized by an insulin deficiency caused by the destruction of insulin-producing cells in the pancreas. The exact cause of the condition is not fully understood, but it is believed to be related to an autoimmune response. Treatment typically involves a combination of insulin replacement therapy and lifestyle modifications, and regular monitoring of blood sugar levels is important to prevent complications associated with the condition.

Symptoms of DKA can include:

* High blood sugar levels (usually above 300 mg/dL)
* High levels of ketones in the blood and urine
* Nausea, vomiting, and abdominal pain
* Fatigue, weakness, and confusion
* Headache and dry mouth
* Flu-like symptoms, such as fever, chills, and muscle aches

If left untreated, DKA can lead to serious complications, such as:

* Dehydration and electrolyte imbalances
* Seizures and coma
* Kidney damage and failure

Treatment of DKA typically involves hospitalization and intravenous fluids to correct dehydration and electrolyte imbalances. Insulin therapy is also started to lower blood sugar levels and promote the breakdown of ketones. In severe cases, medications such as sodium bicarbonate may be given to help neutralize the excess ketones in the blood.

Preventing DKA involves proper management of diabetes, including:

* Taking insulin as prescribed and monitoring blood sugar levels regularly
* Maintaining a healthy diet and exercise program
* Monitoring for signs of infection or illness, which can increase the risk of DKA

Early detection and treatment of DKA are critical to preventing serious complications and improving outcomes for people with diabetes.

Overnutrition can also occur in individuals who have a poor understanding of appropriate portion sizes or who have difficulty regulating their food intake due to psychological or environmental factors. Some common causes of overnutrition include:

1. Overeating: Consuming more food than the body needs, often due to emotional or social reasons.
2. Consuming high-calorie foods and beverages: Foods and drinks that are high in sugar, fat, and salt can lead to overnutrition.
3. Lack of physical activity: Insufficient exercise can contribute to weight gain and overnutrition.
4. Poor portion control: Eating large portions or not understanding appropriate serving sizes can lead to overnutrition.
5. Psychological factors: Stress, emotional eating, or binge eating can contribute to overnutrition.
6. Environmental factors: Living in an environment that does not support healthy eating, such as having limited access to healthy food options or being surrounded by high-calorie foods.

To prevent or manage overnutrition, individuals should focus on maintaining a balanced diet, portion control, regular physical activity, and managing stress and emotions around food. Treatment for overnutrition may involve weight loss programs, nutrition counseling, and lifestyle changes.

HALS typically involves the accumulation of fat in the face, neck, and torso, while the arms and legs become thin and wasted. This can lead to a characteristic "buffalo hump" appearance on the back of the neck and a "spare tire" around the waist. In addition to the cosmetic changes, HALS can also cause metabolic problems such as insulin resistance, high blood sugar, and high levels of lipids (fats) in the blood.

HIV-associated lipodystrophy syndrome is thought to be caused by a combination of factors, including genetics, hormonal imbalances, and side effects of certain HIV medications. Treatment for HALS typically involves a multidisciplinary approach, including lifestyle modifications such as diet and exercise, as well as medication therapy to manage metabolic abnormalities and reduce the risk of cardiovascular disease.

HIV-associated lipodystrophy syndrome is a significant health concern for individuals living with HIV, as it can increase the risk of other serious health problems such as heart disease and stroke. It is important for individuals infected with HIV to be aware of the risk of developing HALS and to work closely with their healthcare provider to manage this condition effectively.

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.

Arteriosclerosis can affect any artery in the body, but it is most commonly seen in the arteries of the heart, brain, and legs. It is a common condition that affects millions of people worldwide and is often associated with aging and other factors such as high blood pressure, high cholesterol, diabetes, and smoking.

There are several types of arteriosclerosis, including:

1. Atherosclerosis: This is the most common type of arteriosclerosis and occurs when plaque builds up inside the arteries.
2. Arteriolosclerosis: This type affects the small arteries in the body and can cause decreased blood flow to organs such as the kidneys and brain.
3. Medial sclerosis: This type affects the middle layer of the artery wall and can cause stiffness and narrowing of the arteries.
4. Intimal sclerosis: This type occurs when plaque builds up inside the innermost layer of the artery wall, causing it to become thick and less flexible.

Symptoms of arteriosclerosis can include chest pain, shortness of breath, leg pain or cramping during exercise, and numbness or weakness in the limbs. Treatment for arteriosclerosis may include lifestyle changes such as a healthy diet and regular exercise, as well as medications to lower blood pressure and cholesterol levels. In severe cases, surgery may be necessary to open up or bypass blocked arteries.

Some of the symptoms of hirsutism include:

* Thick, dark hair on the face, chest, back, and buttocks
* Hair growth on the arms, legs, and other areas of the body
* Thinning or loss of hair on the head
* Acne and oily skin

Hirsutism can be caused by a variety of factors, including:

* Hormonal imbalances: Excessive levels of androgens, such as testosterone, can cause hirsutism.
* Genetics: Inheritance plays a role in the development of hirsutism.
* Medications: Certain medications, such as anabolic steroids and certain antidepressants, can cause hirsutism as a side effect.
* Other medical conditions: Polycystic ovary syndrome (PCOS), congenital adrenal hyperplasia (CAH), and other endocrine disorders can also cause hirsutism.

There are several treatment options for hirsutism, including:

* Medications such as anti-androgens and retinoids to reduce hair growth and improve skin texture
* Electrolysis and laser therapy to remove unwanted hair
* Hormonal therapies such as birth control pills and spironolactone to regulate hormone levels and reduce hair growth
* Plastic surgery to remove excess hair-bearing skin.

It is important for individuals with hirsutism to seek medical attention if they experience any of the following symptoms:

* Sudden or excessive hair growth
* Hair growth on the face, chest, back, or buttocks
* Thinning or loss of hair on the head
* Acne and oily skin.

Early diagnosis and treatment can help manage the symptoms of hirsutism and improve quality of life for individuals affected by this condition.

First-degree burns are the mildest form of burn and affect only the outer layer of the skin. They are characterized by redness, swelling, and pain but do not blister or scar. Examples of first-degree burns include sunburns and minor scalds from hot liquids.

Second-degree burns are more severe and affect both the outer and inner layers of the skin. They can cause blisters, redness, swelling, and pain, and may lead to infection. Second-degree burns can be further classified into two subtypes: partial thickness burns (where the skin is damaged but not completely destroyed) and full thickness burns (where the skin is completely destroyed).

Third-degree burns are the most severe and affect all layers of the skin and underlying tissues. They can cause charring of the skin, loss of function, and may lead to infection or even death.

There are several ways to treat burns, including:

1. Cooling the burn with cool water or a cold compress to reduce heat and prevent further damage.
2. Keeping the burn clean and dry to prevent infection.
3. Applying topical creams or ointments to help soothe and heal the burn.
4. Taking pain medication to manage discomfort.
5. In severe cases, undergoing surgery to remove damaged tissue and promote healing.

Prevention is key when it comes to burns. Some ways to prevent burns include:

1. Being cautious when handling hot objects or substances.
2. Keeping a safe distance from open flames or sparks.
3. Wearing protective clothing, such as gloves and long sleeves, when working with hot materials.
4. Keeping children away from hot surfaces and substances.
5. Installing smoke detectors and fire extinguishers in the home to reduce the risk of fires.

Overall, burns can be a serious condition that requires prompt medical attention. By understanding the causes, symptoms, and treatments for burns, individuals can take steps to prevent them and seek help if they do occur.

Symptoms of panniculitis may include pain, swelling, redness, and warmth in the affected area. In severe cases, the skin may become ulcerated and the condition can be accompanied by systemic symptoms such as fever and fatigue.

Panniculitis is often difficult to diagnose, as it can resemble other conditions such as cellulitis or abscesses. A skin biopsy is usually necessary to confirm the diagnosis. Treatment typically involves antibiotics if the condition is caused by an infection, and drainage of any fluid accumulation if there is an abscess. In some cases, surgical debridement may be necessary.

While panniculitis is generally not a life-threatening condition, it can be painful and disruptive to daily activities. It is important to seek medical attention if symptoms persist or worsen over time, as the condition can lead to complications such as infection of the bloodstream (sepsis) or tissue death (necrosis).

Panniculitis can occur at any age but is more common in children and young adults. It is also more prevalent in certain populations such as those with obesity, diabetes, or other chronic conditions that affect the skin.

In summary, panniculitis is a type of inflammation of the subcutaneous fat layer that can be caused by various factors and can present with symptoms such as pain, swelling, redness, and warmth in the affected area. While generally not life-threatening, it can be painful and disruptive to daily activities, and prompt medical attention is necessary for proper diagnosis and treatment.

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.

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.

Treatment for oligomenorrhea depends on the underlying cause, but may include hormone replacement therapy, birth control pills, or other medications to regulate menstrual cycles. In some cases, surgery may be necessary to correct anatomical abnormalities or remove cysts that are interfering with normal menstruation.

Oligomenorrhea can have significant impacts on women's lives, including difficulty becoming pregnant due to irregular ovulation and increased risk of developing endometrial cancer. Therefore, early diagnosis and treatment are important to manage the condition and prevent potential complications.

Definition: Hyperphagia is a condition characterized by excessive hunger and overeating, often seen in individuals with certain medical or psychiatric conditions.

More Information

Hyperphagia can be caused by a variety of factors, including:

* Hormonal imbalances, such as low levels of leptin or high levels of ghrelin
* Certain medications, such as steroids and some antidepressants
* Medical conditions, such as diabetes, hypothyroidism, and polycystic ovary syndrome (PCOS)
* Psychiatric conditions, such as binge eating disorder and other eating disorders
* Sleep deprivation or disruptions in the body's circadian rhythms

Symptoms of hyperphagia may include:

* Increased hunger and desire to eat
* Overeating or consuming large amounts of food
* Difficulty controlling food intake
* Feeling anxious or irritable when unable to eat
* Weight gain or obesity

Treatment for hyperphagia typically involves addressing the underlying cause, such as hormonal imbalances or psychiatric conditions. This may involve medication, therapy, or lifestyle changes. In some cases, weight loss strategies and nutrition counseling may also be helpful.

It is important to note that hyperphagia can have serious health consequences, including obesity, type 2 diabetes, and other metabolic disorders. If you suspect you or someone you know may be experiencing hyperphagia, it is important to seek medical attention to determine the cause and develop an appropriate treatment plan.

The condition is caused by mutations in genes that code for proteins involved in lipid metabolism, such as the low-density lipoprotein receptor gene (LDLR), apolipoprotein A-1 gene (APOA1), and proprotein convertase subtilisin/kexin type 9 (PCSK9) genes. These mutations can lead to the overproduction or underexpression of certain lipids, leading to the characteristic lipid abnormalities seen in HeFH.

HeFH is usually inherited in an autosomal dominant manner, meaning that a single copy of the mutated gene is enough to cause the condition. However, some cases may be caused by recessive inheritance or de novo mutations. The condition can affect both children and adults, and it is important for individuals with HeFH to be monitored closely by a healthcare provider to manage their lipid levels and reduce the risk of cardiovascular disease.

Treatment for HeFH typically involves a combination of dietary modifications, such as reducing saturated fat intake and increasing fiber and omega-3 fatty acid intake, and medications, such as statins, to lower cholesterol levels. In some cases, apheresis or liver transplantation may be necessary to reduce lipid levels. Early detection and management of HeFH can help prevent or delay the development of cardiovascular disease, which is the leading cause of death worldwide.

Types of Lipid Metabolism Disorders:

1. Hyperlipidemia: Elevated levels of lipids in the blood, including cholesterol and triglycerides.
2. Hypolipidemia: Low levels of lipids in the blood.
3. Lipoprotein disorders: Abnormalities in the structure or function of lipoproteins, such as chylomicrons, very-low-density lipoproteins (VLDL), intermediate-density lipoproteins (IDL), low-density lipoproteins (LDL), and high-density lipoproteins (HDL).
4. Cholesteryl ester storage disease: A rare genetic disorder characterized by the accumulation of cholesteryl esters in the body, leading to progressive damage to the liver, heart, and other organs.
5. Familial dyslipidemia: Inherited disorders that affect the metabolism of lipids, such as familial hypercholesterolemia (elevated LDL levels) or familial hypobetalipoproteinemia (low HDL and LDL levels).
6. Glycogen storage disease type III: A rare genetic disorder that affects the metabolism of lipids and carbohydrates, leading to the accumulation of fat in the liver and other organs.
7. Lipid-lowering drug therapy: The use of medications, such as statins, to lower cholesterol levels and reduce the risk of cardiovascular disease.
8. Pediatric lipidemias: Lipid disorders that affect children and adolescents, such as familial hypercholesterolemia in children.
9. Pregnancy-related lipid metabolism disorders: Changes in lipid metabolism during pregnancy, which can lead to the development of gestational diabetes and other complications.
10. Severe acute respiratory distress syndrome (SARS): A severe inflammatory lung disease that can cause abnormal lipid metabolism and fat accumulation in the lungs.
11. X-linked dystonia-Parkinsonism: A rare genetic disorder that affects the brain and nervous system, leading to movement disorders and other symptoms.

These are just a few examples of the many different types of lipid metabolism disorders that exist. Each type has its own set of symptoms, causes, and treatment options, and it is important to work with a healthcare provider to determine the best course of treatment for each individual case.

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The Metabolic Score for Insulin Resistance (METS-IR) is a metabolic index developed with the aim to quantify peripheral insulin ... Insulin resistance Homeostatic model assessment Quantitative insulin sensitivity check index Diabetes mellitus Bello-Chavolla, ... It is a non-insulin-based alternative to insulin-based methods to quantify peripheral insulin sensitivity and an alternative to ... METS-IR was compared against other non-insulin-based methods to approximate insulin sensitivity including the Triglyceride- ...
Other genetic mutations to the insulin receptor gene can cause Severe Insulin Resistance. Insulin receptor has been shown to ... Insulin signalling controls access to blood glucose in body cells. When insulin falls, especially in those with high insulin ... Signal transduction of Insulin Effect of insulin on glucose uptake and metabolism. Insulin binds to its receptor (1), which, in ... 4548-G05 Insulin Insulin-like growth factor 1 Mecasermin A number of small-molecule insulin receptor agonists have been ...
Leptin can also be used to reverse insulin resistance and hepatic steatosis, to cause reduced food intake, and decrease blood ... May 2002). "Leptin reverses insulin resistance and hepatic steatosis in patients with severe lipodystrophy". Journal of ... Congenital generalized lipodystrophy (CGL) is a rare autosomal recessive disorder which manifests with insulin resistance, ... insulin resistance; and high serum levels of triglycerides. Genetic testing can also confirm the disease, as mutations in the ...
... and is useful for measuring insulin sensitivity (IS), which is the inverse of insulin resistance (IR). It has the advantage of ... So lower numbers reflect greater insulin resistance. SPINA-GBeta SPINA-GR Homeostatic model assessment Katz A, Nambi SS, Mather ... Values typically associated with the QUICKI calculation for insulin resistance in humans fall broadly within a range between ... Quantitative insulin sensitivity check index: a simple, accurate method for assessing insulin sensitivity in humans. J Clin ...
... reducing the PI-3k activity and leading to insulin resistance. Insulin resistance refers also to Type 2 diabetes. It was also ... Draznin, B. (1 August 2006). "Molecular Mechanisms of Insulin Resistance: Serine Phosphorylation of Insulin Receptor Substrate- ... When insulin binds to the insulin receptor, it leads to a cascade of cellular processes that promote the usage or, in some ... The effects of insulin vary depending on the tissue involved, e.g., insulin is most important in the uptake of glucose by ...
Insulin resistance and hypertriglyceridemia occur. Calf muscular hypertrophy may occur. Type 5 is due to mutations in the AKT2 ... Complications include hypertension, insulin resistance and hypertriglyceridemia. The gene causing this condition is not yet ... Insulin resistance is common. Other conditions associated with this condition include acanthosis nigricans, fatty liver, ... The patients also had hypertension, insulin resistance and hypertriglyceridemia. Type 6 due to mutations in the CIDEC gene. It ...
... is associated with an increased risk of insulin resistance. Insulin resistance refers to cell's reduced sensitivity to insulin ... Wilcox G (May 2005). "Insulin and insulin resistance". The Clinical Biochemist. Reviews. 26 (2): 19-39. PMC 1204764. PMID ... insulin resistance). Increased insulin in the blood stimulates the ovaries to produce more androgens increasing the risk of ... As demonstrated in mice, insulin resistance is a factor in poor fertility as it has an effect on oocyte development. This in ...
Wilcox, Gisela (2016-11-20). "Insulin and Insulin Resistance". Clinical Biochemist Reviews. 26 (2): 19-39. ISSN 0159-8090. PMC ... This is the more common process of insulin resistance, which leads to adult-onset diabetes. Another example can be seen in ... Elevated levels of the hormone insulin in the blood trigger downregulation of the associated receptors. When insulin binds to ... This process is illustrated by the insulin receptor sites on target cells, e.g. liver cells, in a person with type 2 diabetes. ...
Wilcox, Gisela (May 2005). "Insulin and Insulin Resistance". Clinical Biochemist Reviews. 26 (2): 19-39. ISSN 0159-8090. PMC ... Insulin normally binds to insulin receptors but in excess amounts may bind to insulin-like growth factor (IGF) receptors in ... Diabetes is associated with risk factors for various cardiovascular diseases including obesity, insulin resistance, high blood ... Insulin insensitivity in the case of type II diabetes can cause prolonged increases in blood insulin. ...
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... leading to the development of insulin resistance. Production of these modulators and the resulting pathogenesis of insulin ... This seems to help compensate for the anti-lipogenic effects of insulin resistance and thus preserve adipocyte fat storage ... Clinical studies have repeatedly shown that even though insulin resistance is usually associated with obesity, the membrane ... Kahn SE, Hull RL, Utzschneider KM (December 2006). "Mechanisms linking obesity to insulin resistance and type 2 diabetes". ...
Increases in body fat alter the body's response to insulin, potentially leading to insulin resistance. Increased fat also ... Shoelson SE, Lee J, Goldfine AB (July 2006). "Inflammation and insulin resistance". The Journal of Clinical Investigation. 116 ... Shoelson SE, Herrero L, Naaz A (May 2007). "Obesity, inflammation, and insulin resistance". Gastroenterology. 132 (6): 2169-80 ... and insulin resistance". The American Journal of Clinical Nutrition (Review). 87 (4): 801-9. doi:10.1093/ajcn/87.4.801. PMID ...
Wilcox G (May 2005). "Insulin and insulin resistance". The Clinical Biochemist. Reviews. 26 (2): 19-39. PMC 1204764. PMID ... Meanwhile, obesity-induced insulin resistance and the mutation of the leptin receptor (ObRb) results in the abolition of ... In the case of obesity, which researchers speculate to have a strong genetic and a dietary basis, insulin resistance prevents ... insensitivity or resistance to insulin; mutation of leptin receptor; and an increase in NPY mRNA and NPY release. In obesity ...
It secretes RBP4 which increases insulin resistance by blocking the action of insulin in muscle and liver. Fat cells also ... Shoelson SE, Lee J, Goldfine AB (July 2006). "Inflammation and insulin resistance". Journal of Clinical Investigation. 116 (7 ... and are thus prone to insulin resistance.[unreliable medical source?] Fat tissue has also been shown to be involved in managing ... chronic obesity leads to increased insulin resistance that can develop into type 2 diabetes, most likely because adipose tissue ...
In many cases of PCOS, insulin resistance is present. Biosynthetic human insulin (insulin human rDNA, INN) for clinical use is ... resulting in absolute insulin deficiency Type 2 - either inadequate insulin production by the β-cells or insulin resistance or ... ISBN 978-0-8247-0711-8. Kumar S, O'Rahilly S (2005-01-14). Insulin Resistance: Insulin Action and Its Disturbances in Disease. ... Bovine insulin differs from human in only three amino acid residues, and porcine insulin in one. Even insulin from some species ...
Insulin resistance can also occur. Signs and symptoms vary considerably by severity, unusual phenotype, and form (DM1/DM2).[ ... Abnormalities in the electrical activity of the heart are common in DM1, manifesting as arrhythmias or conduction blocks. ... Electrodiagnostic testing (EMG and NCS) can detect the electrical signs of myotonia before myotonia becomes noticeable to the ...
The higher CHD risk in this population may be related in part to a higher prevalence of insulin resistance, the metabolic ... migration from rural to urban areas and a higher susceptibility to accumulate abdominal fat and develop more insulin resistance ... Insulin resistance and pre-diabetes. Available at http://www.diabetes.niddk.nih.gov Archived 2007-01-15 at the Wayback Machine ...
SASP factors induce insulin resistance. SASP disrupts normal tissue function by producing chronic inflammation, induction of ... leading to insulin resistance. SASP factors IL-6 and TNFα enhance T-cell apoptosis, thereby impairing the capacity of the ... SASP is one of the three main features of senescent cells, the other two features being arrested cell growth, and resistance to ... Although SASP from senescent cells can kill neighboring normal cells, the apoptosis-resistance of senescent cells protects ...
Insulin resistance reduces the body's sensitivity to insulin. This is a sign an individual has prediabetes or has progressed to ... While insulin resistance is a risk factor for the development of Alzheimer's disease and some other dementias, causes of ... Melatonin affects type 3 diabetes by reducing harm caused by beta amyloid, regulating hyperglycaemia and insulin resistance in ... The internal mechanism of Insulin resistance and other metabolic risk factors such as hyperglycaemia, caused by oxidative ...
Pagotto U (November 2009). "Where does insulin resistance start? The brain". Diabetes Care. 32 Suppl 2 (2): S174-7. doi:10.2337 ... Insulin signaling activates the adenosine triphosphate (ATP)-sensitive potassium (KATP) channels in the arcuate nucleus, ... The second heart slowed without electrical stimulation. Loewi described the substance released by the vagus nerve as vagusstoff ...
Stenvers DJ, Scheer FA, Schrauwen P, la Fleur SE, Kalsbeek A (February 2019). "Circadian clocks and insulin resistance". Nature ... Cobb MH, Rosen OM (October 1983). "Description of a protein kinase derived from insulin-treated 3T3-L1 cells that catalyzes the ... while increased CK1-specific activity is observed after stimulation of cells with insulin or after viral transformation. On ... decreasing gluconeogenesis gene expression and glucose secretion or increasing basal and insulin-stimulated glucose uptake. ...
Szablewski L (2011). Glucose Homeostasis and Insulin Resistance. Bentham Science Publishers. p. 68. ISBN 9781608051892. Skalski ... It increases peripheral resistance via α1 receptor-dependent vasoconstriction and increases cardiac output by binding to β1 ... Beta blockade with propranolol causes a rebound in airway resistance after exercise in normal subjects over the same time ... The reduction in airway resistance during exercise reduces the work of breathing. Every emotional response has a behavioral ...
Patients with MODY less often suffer from obesity and insulin resistance than those with ordinary type 2 diabetes (for whom ... Insulin may not be necessary and it may be possible to switch a person from insulin injections to oral agents without loss of ... Insulin resistance very rarely happens. Cystic kidney disease in patient or close relatives. Non-transient neonatal diabetes, ... Persistence of a low insulin requirement (e.g., less than 0.5 u/kg/day) past the usual "honeymoon" period. Normal insulin ...
Smoking generally leads to problems because it leads to insulin resistance and/or decrease insulin secretion. However, the ... "Insulin resistance and cigarette smoking". The Lancet. 339 (8802): 1128-1130. doi:10.1016/0140-6736(92)90730-Q. ISSN 0140-6736 ...
... which has been implicated in the development of insulin resistance. Because of its inhibitory effects on L-carnitine ... Reflecting or Inflicting Insulin Resistance?". Diabetes. 62 (1): 1-8. doi:10.2337/db12-0466. PMC 3526046. PMID 23258903. Lippi ... WADA classes the drug as a metabolic modulator, just as it does insulin. Metabolic modulators are classified as S4 substances ...
Kahle, EB; Leibel, RL; Domaschko, DW; Raney, SG; Mann, KT (1997). "Obesity genes and insulin resistance syndrome". Ann N Y Acad ... The efforts of the Leibel laboratory at Columbia University focus on the genetics of obesity and non-insulin dependent diabetes ... Sivitz, WI; Walsh, S; Morgan, D; Donohoue, P; Haynes, W; Leibel, RL (1998). "Plasma leptin in diabetic and insulin-treated ... Relations to body fat depots and insulin concentrations". Am J Physiol. 271 (3): E626-30. doi:10.1152/ajpendo.1996.271.3.E626. ...
... may represent some combination of insufficient insulin production and insulin resistance. Some degree of insulin resistance may ... which is given through injections or an insulin pump. Insulin resistance, in contrast, can be corrected by dietary ... Type 2 diabetes and insulin resistance". Journal of Andrology. 30 (1): 23-32. doi:10.2164/jandrol.108.005751. PMID 18772488. ... Zitzmann M (December 2009). "Testosterone deficiency, insulin resistance and the metabolic syndrome". Nature Reviews. ...
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... reductions in skeletal muscle NOX4 in aging and obesity was shown to contribute to the development of insulin resistance and ... 2004). "The NAD(P)H oxidase homolog Nox4 modulates insulin-stimulated generation of H2O2 and plays an integral role in insulin ... "Skeletal muscle NOX4 is required for adaptive responses that prevent insulin resistance". Science Advances. 7 (51): eabl4988. ...
... leading to high blood sugar and insulin resistance which can lead to diabetes mellitus. Insulin resistance is accompanied by ... Many of the features of Cushing's are those seen in metabolic syndrome, including insulin resistance, hypertension, obesity, ... and insulin resistance (especially common with ACTH production outside the pituitary), ...
... a causative agent of the AIDS-related insulin resistance/lipodystrophy syndrome?". Ann. N. Y. Acad. Sci. 1024 (1): 153-67. ...
Splice variants of an insulin and growth factor receptor-binding protein with PH and SH2 domains". J. Biol. Chem. 272 (5): 2659 ... "Overriding imatinib resistance with a novel ABL kinase inhibitor". Science. 305 (5682): 399-401. Bibcode:2004Sci...305..399S. ...
He was among the first to recognize that decreased sensitivity to insulin, or insulin resistance, separated one form of ... de Boer, Ian H.; Mehrotra, Rajnish (2014). "Insulin resistance in chronic kidney disease: a step closer to effective evaluation ...
Elizabeth Wettlaufer (born 1967), Canadian serial killer who murdered eight of her patients with insulin injections. Walt ... Danish nurse and resistance fighter Luther Christman (1915-2011), first male dean of a U.S. nursing program; established the ...
... conducted at the University of Aberdeen suggests a link between atherosclerosis and insulin resistance due to impaired insulin ... Inhibiting the activity of PTP1B, which is the major negative regulator of the insulin receptor appeared to inhibit ...
... subunit of voltage-activated Ca2+ channels are associated with insulin resistance and type 2 diabetes in Pima Indians". ... Ca2+ channels and insulin secretion in the insulinoma cell line INS-1". European Journal of Biochemistry. 268 (4): 1066-75. doi ... are associated with type 2 diabetes and impaired insulin secretion". Diabetologia. 50 (12): 2467-75. doi:10.1007/s00125-007- ...
... it can form insulin resistance which is a precursor to diabetes. Insulin resistance occurs when cells fail to use insulin ... These negative effects from both sleep deprivation and excessive stress, which causes issues with insulin levels and glucose ... Furthermore, sleep deprivation has been shown to decrease glucose tolerance and insulin sensitivity, and increase hunger and ...
Syn, Nicholas L; Teng, Michele W L; Mok, Tony S K; Soo, Ross A (2017). "De-novo and acquired resistance to immune checkpoint ... insulin therapy or thyroid hormones). People have also had colon inflammation, liver inflammation, kidney inflammation due to ... Syn, Nicholas L; Teng, Michele W L; Mok, Tony S K; Soo, Ross A (2017). "De-novo and acquired resistance to immune checkpoint ...
She was the author of many works on Chronaxie and the influence of insulin on the autonomic nervous system and became a ... Polish resistance members of World War II, Polish physicians, Polish neurologists, Polish military doctors, Polish hospital ... She obtained her doctorate on the basis of her work The influence of insulin on the vegetative nervous system in 1927. She ...
... co-discoverer of insulin John Cameron Bell (born 1953) - pioneer of oncolytic virus therapies for cancer Norman Bethune (1890- ... drug resistance in cancer Sir William Edmond Logan FRS (1798-1875) - founded the Geological Survey of Canada Mary MacArthur - ... discovered electrical stimulation of the brain Jack Pickup (1919-1996) - general practitioner and surgeon, also known as the " ... WWII Flight Sergeant and member of the French Resistance Brigadier-General Dury, Charles PC OC QC CBE DSO (1912-1991) - soldier ...
Conversely, PM20D1-KO exhibit bidirectional dysregulation of circulating N-acyl amino acids, insulin resistance, and glucose ...
... reduce insulin resistance and concurrently inhibit Lect2 production in a mouse model of dietary-induces insulin resistance. ... Meex RC, Watt MJ (2017). "Hepatokines: linking nonalcoholic fatty liver disease and insulin resistance". Nature Reviews. ... increased in animal models of insulin-resistant diabetes as well as in individual diabetics demonstrating insulin resistance. ... lower blood glucose and insulin levels following feeding; and better results for glucose and insulin tolerance tests. In a ...
The insulin present in the brain acts on the central nervous system by crossing the blood-brain barrier and affecting the ... Electrical impulses carried by the sympathetic nervous system are converted to a chemical response in the adrenal gland. ... Insulin is essential in triggering the sympathoadrenal system (the release of norepinephrine and epinephrine) to respond to ... Fisher, S.J.; Brüning, J.C.; Lannon, S.; Kahn, C.R. (2005). "Insulin Signaling in the Central Nervous System Is Critical for ...
... a causative agent of the AIDS-related insulin resistance/lipodystrophy syndrome?". Annals of the New York Academy of Sciences. ... The GR is abnormal in familial glucocorticoid resistance. In central nervous system structures, the glucocorticoid receptor is ... Chikanza IC (June 2002). "Mechanisms of corticosteroid resistance in rheumatoid arthritis: a putative role for the ... amino acid substitution in the hormone binding domain of the glucocorticoid receptor in familial glucocorticoid resistance". ...
During the Axis occupation of Greece Zervas played an active part in the Greek Resistance as a member of EDES; he was impisoned ... One of the major issues which occupied his interests was the chemical synthesis of insulin after its characterisation by ... Building on this work, the first complete synthesis of insulin was simultaneously achieved in 1963 in RWTH Aachen University by ... Frederick Sanger (1951). The insulin peptide hormone features two protein chains cross-linked by disulfide bridges from ...
... does not help obesity-related metabolic disorders like insulin resistance. There are many articles and references ... "The effects of abdominal lipectomy in metabolic syndrome components and insulin sensitivity in females: A systematic review and ...
Inflammation induced S-SMase activation may contribute to insulin resistance through the increased generation of ceramide. ...
It described intake of EPO, growth hormones, testosterone and insulin on 114 days during the 200-day season of 2003. According ... The cells would be re-injected shortly before competition, boosting resistance to fatigue. If haematocrit levels (volume of red ...
November 2013). "KSR2 mutations are associated with obesity, insulin resistance, and impaired cellular fuel oxidation". Cell. ... reaction more faster to simulate cell growth and KSR2 cause insulin resistance, KSA2 gene also regulates how the body uses the ...
Effects on insulin resistance In all animal models of insulin resistance, moxonidine had striking effects on the development of ... insulin resistance, hyperinsulinaemia and impaired glucose homeostasis. Given the importance of insulin resistance as a risk ... In addition, moxonidine may also promote sodium excretion, improve insulin resistance and glucose tolerance and protect against ... In addition, it demonstrates favourable effects on parameters of the insulin resistance syndrome, apparently independent of ...
... which in turn may be associated with an increased susceptibility to insulin resistance (glucose intolerance). While this ... Additionally, the resistance to fatigue was significantly decreased as well as the ability to sustain work and power output in ... In a well-designed 7-d bed rest study, insulin action on both whole-body glucose uptake rate and leg glucose uptake rate was ... In the first 28 U.S. Space Shuttle flights (2-11 d duration), serum insulin levels (n = 129) were elevated by 55% on landing ...
"Improvement in insulin resistance and estimated hepatic steatosis and fibrosis after endoscopic sleeve gastroplasty". ... Weight loss facilitated by ESG has been observed to bring about benefits in or even cure of diabetes/insulin sensitivity, ...
... tuber-regium are able to delay the progression of diabetes and associated complications in rats with insulin resistance [7]. ...
Some examples include: Inject insulin in response to high blood sugar and then re-check to evaluate if blood glucose lowered[ ... This self-care focuses on any acts which are healing and beneficial to one's survival and thereby enable resistance. This ... the preservation of her identity through acts that energize and sustain her is a form of activism and resistance. ... "Barriers and facilitators to self-monitoring of blood glucose in people with type 2 diabetes using insulin: a qualitative study ...
Insulin resistance in critically ill patients with acute renal failure. Am J Physiol Renal Physiol, 289(2), F259-64, 2005 ... Insulin resistance is associated with skeletal muscle protein breakdown in non-diabetic chronic hemodialysis patients. Kidney ... Body mass index and fat mass are the primary correlates of insulin resistance in nondiabetic stage 3-4 chronic kidney disease ... Resistance Exercise Augments the Acute Anabolic Effects of Intradialytic Oral Nutritional Supplementation. Nephrol Dial ...
... insulin resistance, and type 2 diabetes connection and how to reverse insulin resistance. ... How to Reverse Insulin Resistance. If you have insulin resistance, you want to become the opposite-more insulin sensitive ( ... What Causes Insulin Resistance?. It isnt clear exactly what causes insulin resistance, but a family history of type 2 diabetes ... You do not have to be overweight to have insulin resistance. You cant tell if someone has insulin resistance by looking at ...
1 receptor agonist liraglutide produced short-term correction of a deficit in associative learning found in people with insulin ... The findings suggest that impaired metabolic signaling such as occurs with insulin resistance in people with obesity can cause ... The findings "show that liraglutide restores associative learning in participants with greater insulin resistance," a "highly ... Cite this: Liraglutide Fixes Learning Limit Tied to Insulin Resistance - Medscape - Aug 24, 2023. ...
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... Br J Pharmacol. 2008 Feb;153(4):636-45. doi: ... Dual PPAR-alpha/gamma agonists may offer superior treatment of insulin resistance and cardioprotection, but their safety has ... PPAR-gamma receptor activation by TZDs improves insulin sensitivity by promoting fatty acid uptake into adipose tissue, ...
Il18−/− mice also had hyperinsulinemia, consistent with insulin resistance and hyperglycemia. Insulin resistance was secondary ... The molecular mechanisms responsible for the hepatic insulin resistance in the Il18−/− mice involved an enhanced expression of ... These findings indicate a new role of IL-18 in the homeostasis of energy intake and insulin sensitivity. ... obesity and insulin resistance in knockout mice deficient in IL-18 or IL-18 receptor, and in mice transgenic for expression of ...
... resistance syndrome is a condition in which the bodys tissues and organs do not respond properly to the hormone insulin. ... Type A insulin resistance syndrome is a rare disorder characterized by severe insulin resistance, a condition in which the ... Type A insulin resistance syndrome is one of a group of related conditions described as inherited severe insulin resistance ... Severe insulin resistance also underlies the other signs and symptoms of type A insulin resistance syndrome. In affected ...
Insulin resistance in diabetes and other metabolic disorders could be treated by a naturally occurring molecule with insulin- ... Apelin could represent a promising target in the management of insulin resistance, Professor Castan-Laurell said. ... Molecule could help treat insulin resistance. By Tom Moberly on the 7 November 2008 ... Improvement of insulin sensitivity and reduction of blood glucose levels are expected goals for the treatment of type-2 ...
It has been observed that hyperinsulinemia precedes insulin resistance and Type 2 diabetes. Insulin resistance is caused by ... Prolonged exposure to insulin causes epigenetic alteration leading to insulin resistance. Shehnaz Bano, Shyam More, Dattatray S ... Summary Statement Insulin stimulation in the absence of glucose leads to insulin resistance. We have developed a cell and mouse ... Prolonged exposure to insulin causes epigenetic alteration leading to insulin resistance Message Subject (Your Name) has ...
talk contribs‎ 273 bytes +273‎ Created page with __NOTOC__ {{Insulin resistance}} Please help WikiDoc by adding content here. ... Insulin resistance natural history, complications and prognosis: Revision history. View logs for this page ... Retrieved from "https://www.wikidoc.org/index.php/Insulin_resistance_natural_history,_complications_and_prognosis" ...
... April 24, 2023. May 31, 2023. Zoë 3 Comments insulin resistance, low carb, member ... A study was published claiming that low-carbohydrate diets were associated with insulin resistance. Insulin resistance is the ... The findings of the ,45% group having slightly higher insulin and glucose levels could be explained by reverse causation. The ... term used to describe an impaired response to insulin in the body. ...
How Are Insulin Resistance, Pre-Diabetes, And Type 2 Diabetes Linked? - read this post from Diabetic Gourmet Magazine and find ... When the pancreas does not make enough insulin or the body is unable to use the insulin that is present, the cells cannot use ... If you have insulin resistance, your muscle, fat, and liver cells do not use insulin properly. The pancreas tries to keep up ... Many people with insulin resistance have high levels of blood glucose and high levels of insulin circulating in their blood at ...
By Nicolas Wiernsperger Microcirculation and Insulin Resistance Insulin resistance is the main factor involved in the ... Microcirculation and Insulin Resistance 1st Edition Pdf Read & Download - ... Microcirculation and Insulin Resistance Pdf Insulin resistance is the main factor involved in the occurrence of the metabolic ... the factors responsible for insulin resistance are still largely undefined. There is also a large discrepancy between in vitro ...
... insulin sensitivity and metabolic syndrome in the same breath as prediabetes and type 2 diabetes? Do you wonder how these terms ... Insulin Resistance, Weight Gain and Type 2 Diabetes: Connect the Dots. Have you heard the terms insulin resistance, insulin ... What Is Insulin Resistance?. Insulin resistance most often occurs in people who are overweight. People who carry their extra ... insulin resistance is slowly setting related health issues in motion. Think of insulin resistance as being at the center of ...
Qin Weibai s insulin resistance weight loss diet plan heart was numb, insulin resistance weight loss diet plan and he didn t ... The VSSD insulin resistance weight loss diet plan King of the North VSSD insulin resistance weight loss diet plan Sea, who was ... for insulin resistance weight loss diet plan a insulin resistance weight loss diet plan long time, and said softly You are ... He insulin resistance weight loss diet plan watched quietly with complicated insulin resistance weight loss diet plan eyes. Li ...
Overexpression of Rad in muscle worsens diet-induced insulin resistance and glucose intolerance and lowers plasma triglyceride ... "Overexpression of Rad in Muscle Worsens Diet-Induced Insulin Resistance and Glucose Intolerance and Lowers Plasma Triglyceride ... this is due to increased insulin resistance in muscle, as exemplified by a rightward shift in the dose-response curve for ... a potential synergistic interaction between increased expression of Rad and high-fat diet in creation of insulin resistance and ...
Does a lower insulin resistance affect antiviral therapy response in patients suffering from HCV related chronic hepatitis? ... Does a lower insulin resistance affect antiviral therapy response in patients suffering from HCV related chronic hepatitis? ... There is much debate as to whether insulin resistance depends on hepatitis C virus, or vice versa, or whether it is an ... As insulin resistance is the link between obesity, metabolic alterations, and endothelial damage, it is a characteristic ...
Seasonality of Insulin Resistance, Glucose, and Insulin Among Middle-Aged and Elderly Population: The Rotterdam Study. ... Cepeda, M, Muka, T, Ikram, M.A, Franco, O.H, & Schoufour, J.D. (2018). Seasonality of Insulin Resistance, Glucose, and Insulin ... Context: There are discrepancies in the seasonality of insulin resistance (IR) across the literature, probably due to age- ... Among the elderly, seasonal variations were: 0.29 units (0.21, 0.37) for HOMA-IR, 0.96 µIU/mL (0.58, 1.28) for insulin, and ...
Insulin resistance (IR) defined by the homeostosis model of assessment insulin resistance (HOMA-IR) index has a direct effect ... Insulin resistance [homeostasis model assessment-insulin resistance (HOMA-IR) score > 3.0] was detected in 31 of 100 ... an additional HOMA-IR test was performed to determine their insulin resistance and to compare it with insulin resistance among ... to assess factors associated with insulin resistance and to test the impact of insulin resistance on outcomes of treatment with ...
Cardiovascular complications are more prevalent in individuals with conditions associated with insulin resistance. Knowledge is ... Opportunity "Nox": A Novel Approach to Preventing Endothelial Dysfunction in the Context of Insulin Resistance J. David Symons ... Mice with endothelial cell-specific insulin resistance (ESMIRO and IR+/− mice) exhibit increased Nox2-mediated O2·− generation ... Mice with endothelial cell-specific insulin resistance (ESMIRO and IR+/− mice) exhibit increased Nox2-mediated O2·− generation ...
... resistance as a result of their hypoglycemia are turning to medical marijuana for help with managing their weight and insulin ... Penner, E. A., Buettner, H., & Mittleman, M. A. (2013). The impact of marijuana use on glucose, insulin, and insulin resistance ... The researchers found that current cannabis consumers had "lower levels of fasting insulin, lower levels of insulin resistance ... Insulin, and Insulin Resistance among US Adults," explored the blood sugar-associated effects of cannabis consumption among ...
In humans, an association between OSA and insulin resistance has been found independently of the degree of obesity. Based on ... This event may constitute the molecular basis of insulin resistance development in OSA patients. ... that 6 weeks-exposure of lean mice to CIH is characterized by systemic insulin resistance and translates into adipocyte insulin ... concomitantly to WAT insulin resistance state. We show that CIH downregulates caveolar gene and protein expressions, including ...
Zhou GY, Wu XP, Heng XP , Weng L. Correlation between type 2 diabetes of dual deficiency of qi and yin and insulin resistance. ... A rat model of type 2 diabetes and insulin resistance was established by feeding rats with high-calorie and high-fat diet ... Liu Y, Xie M , Zhang Y. Development in syndromes of Chinese medicine for rat model of type 2 diabetes with insulin resistance. ... OBJECTIVE: To observe the development of Chinese medicine syndromes of rats with type 2 diabetes and insulin resistance by ...
OBJECTIVE: Magnesium deficiency has been associated with insulin resistance (IR) and increased risk for type 2 diabetes in ... Insulin Resistance, Magnesium, Magnesium Deficiency, Male, Obesity, Risk Factors. Abstract. ... lean: 0.14 +/- 0.004 mg/kcal; P = 0.003). Dietary magnesium intake was inversely associated with fasting insulin (-0.43 [-0.64 ... indexes of insulin sensitivity, dietary magnesium intake (using a food frequency questionnaire), and body composition (by air ...
... insulin resistance is another PCOS-related issue that causes health problems for many women. Not only does insulin resistance ... Imbalanced Hormones Leads To Insulin Resistance *4th May 2015. Stress is your bodys way of protecting you from perceived or ... Managing PCOS And Insulin Resistance Through Diet And Exercise *8th April 2015 ...
Insulin resistance (IRES) occurs when the excess of glucose in the blood induces an increase in insulin release that makes the ... 2. Insulin Signaling and the Development of Insulin Resistance. Glucose homeostasis is the result of a balance between glucose ... Tanti, J.F.; Jager, J. Cellular mechanisms of insulin resistance: Role of stress-regulated serine kinases and insulin receptor ... Petersen, M.C.; Shulman, G.I. Mechanisms of Insulin Action and Insulin Resistance. Physiol. Rev. 2018, 98, 2133-2223. ...
Prediabetes/insulin resistance. Prediabetes/insulin resistance precedes the development of overt type 2 diabetes and affects as ... Prediabetes/Insulin Resistance Research. *. *Amaranth Diabetes Foundation. *Current Projects Funded by the Amaranth Foundation ... Read more on prediabetes/insulin resistance. Obesity. Obesity rates have risen sharply over the last few decades. Obesity ... Type 1 diabetes is caused by an autoimmune attack on beta-cells, eliminating the ability of the body to produce insulin. In ...
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Understanding Insulin Resistance. November 20, 2018. June 24, 2019. Posted in Insulin, Insulin Resistance, Videos ...
Insulin Resistance & Diabetes. Course Description & Information:. *Insulin resistance is when cells in your muscles, fat, and ... 07/27/2023 Insulin Resistance & Diabetes 8:00 AM - 2:30 PM CDT. Price: $89 Or Free with membership ... Additionally, insulin resistance is linked with higher risk for some cancers and an increased risk for Alzheimers disease. ... Insulin resistance affects almost 1 in 2 Americans. An estimated 87 million American adults have prediabetes; 30-50% will ...
  • A single injection of the GLP-1 receptor agonist liraglutide led to short-term normalization of associative learning in people with obesity and insulin resistance , a finding that suggests dopamine-driven learning processes are modified by metabolic signaling and that this effect "may contribute to the weight-reducing effects of liraglutide in obesity," say the authors of a recent report in Nature Metabolism . (medscape.com)
  • The findings, from 30 adults with normal insulin sensitivity and normal weight and 24 adults with impaired insulin sensitivity and obesity, suggest that metabolic signals, particularly ones that promote energy restoration in a setting of energy deprivation caused by insulin or a glucagon-like peptide-1 (GLP-1) receptor agonist, "profoundly influence neuronal processing," said Tittgemeyer. (medscape.com)
  • The findings suggest that impaired metabolic signaling such as occurs with insulin resistance in people with obesity can cause deficiencies in associative learning. (medscape.com)
  • Here we report the presence of hyperphagia, obesity and insulin resistance in knockout mice deficient in IL-18 or IL-18 receptor, and in mice transgenic for expression of IL-18 binding protein. (nature.com)
  • Insulin resistance was secondary to obesity induced by increased food intake and occurred at the liver level as well as at the muscle and fat-tissue level. (nature.com)
  • As insulin resistance is the link between obesity, metabolic alterations, and endothelial damage, it is a characteristic feature of the metabolic syndrome. (bmj.com)
  • Insulin-resistant conditions such as type 2 diabetes and diet-induced obesity are associated with an altered endothelial cell phenotype, i.e., endothelial dysfunction. (diabetesjournals.org)
  • In humans, an association between OSA and insulin resistance has been found independently of the degree of obesity. (inserm.fr)
  • Insulin resistance is a condition where the body becomes less responsive to the hormone insulin, which can lead to high blood sugar levels and a range of health problems, including type 2 diabetes, heart disease, and obesity. (dieture.com)
  • Autologous subcutaneous adipose tissue transplants improve adipose tissue metabolism and reduce insulin resistance and fatty liver in diet-induced obesity rats. (bvsalud.org)
  • Physical inactivity has been linked to rates of obesity, diabetes, and heart disease through insulin resistance and other mechanisms. (cdc.gov)
  • Il18 −/− mice also had hyperinsulinemia, consistent with insulin resistance and hyperglycemia. (nature.com)
  • Oxidative stress, hyperglycemia, lipotoxicity, activation of the renin-angiotensin system, and increased proinflammatory cytokines are systemic disturbances in patients with conditions associated with insulin resistance. (diabetesjournals.org)
  • beta-blockers can prolong hypoglycemia (interference with glycogenolysis) or cause hyperglycemia (insulin secretion inhibited). (medscape.com)
  • Eventually, the pancreas cannot keep up with the body's need for insulin, and excess glucose builds up in the bloodstream. (diabeticgourmet.com)
  • Over time, which can be five to ten years, and if a person doesnt' take actions to reverse it, the beta cells can no longer keep up with the body's demand for insulin. (hopewarshaw.com)
  • PPAR-gamma receptor activation by TZDs improves insulin sensitivity by promoting fatty acid uptake into adipose tissue, increasing production of adiponectin and reducing levels of inflammatory mediators such as tumour necrosis factor-alpha (TNF-alpha), plasminogen activator inhibitor-1(PAI-1) and interleukin-6 (IL-6). (nih.gov)
  • We demonstrated that acute injection of apelin was able to improve glucose tolerance in insulin-resistant mice and to increase glucose utilisation in white adipose tissue, skeletal muscles and the heart. (gponline.com)
  • Based on our previous work showing that hypoxia applied to adipocytes led to cellular insulin resistance associated with caveolae flattening, we have investigated the effects of CIH on caveolae structuration in adipose tissue. (inserm.fr)
  • Chronic intermittent hypoxia also induces caveolae disassembly in white adipose tissue (WAT) illustrated by reduced plasma membrane caveolae density and enlarged caveolae width, concomitantly to WAT insulin resistance state. (inserm.fr)
  • Insulin inhibits hepatic glucose output and enhances glucose uptake into skeletal muscle and adipose tissue. (encyclopedia.pub)
  • In muscle and adipose tissue, insulin acts by increasing the number of GLUT 4 at the plasma membrane to induce glucose transport [ 3 ] [ 4 ] . (encyclopedia.pub)
  • Have you heard the terms insulin resistance, insulin sensitivity and metabolic syndrome in the same breath as prediabetes and type 2 diabetes? (hopewarshaw.com)
  • Even with prediabetes or in the early years of type 2 diabetes, actions help decrease insulin resistance and increase insulin sensitivity. (hopewarshaw.com)
  • Prediabetes/insulin resistance precedes the development of overt type 2 diabetes and affects as many as 1 in 3 Americans. (diabetes.org)
  • This gene provides instructions for making a protein called an insulin receptor, which is found in many types of cells. (medlineplus.gov)
  • Most of the INSR gene mutations that cause type A insulin resistance syndrome lead to the production of a faulty insulin receptor that cannot transmit signals properly. (medlineplus.gov)
  • instead, it results from an abnormality of the immune system that blocks insulin receptor function. (medlineplus.gov)
  • Out of 29 liver tissue sections examined, 14 had a low level of expression of insulin receptor type 1 by immunohistochemical studies. (who.int)
  • G Protein Coupled Receptor Kinase type 2 (GRK2) has been identified as a mechanism of impaired glucose homeostasis in insulin resistance and its complications. (encyclopedia.pub)
  • At the molecular level, insulin activates a specific tyrosine kinase receptor, the insulin receptor (IR). (encyclopedia.pub)
  • Insulin binding to its receptor activates its intrinsic tyrosine kinase activity ( Figure 2 ). (encyclopedia.pub)
  • Insulin activates the insulin receptor, which phosphorylates IRS in tyrosine residues. (encyclopedia.pub)
  • To compensate for the downregulation of the insulin receptor, your pancreas makes more insulin. (ceinternational.com)
  • In people with type A insulin resistance syndrome, insulin resistance impairs blood glucose regulation and ultimately leads to a condition called diabetes mellitus, in which blood glucose levels can become dangerously high. (medlineplus.gov)
  • This severe resistance to the effects of insulin impairs blood glucose regulation and leads to diabetes mellitus. (medlineplus.gov)
  • We recommend further studies that will investigate whether optimization of magnesium status in general population or among individuals at risk of developing type 2 diabetes will be a useful approach in lowering insulin resistance and prevent or delay the onset of type 2 diabetes mellitus in our setting. (who.int)
  • Study participants with impaired insulin sensitivity "exhibited a reduced amplitude of behavioral updating that was normalized" by a single subcutaneous injection of 0.6 mg of liraglutide (the starting daily dose for liraglutide for weight loss, available as Saxenda, Novo Nordisk) given the evening before testing. (medscape.com)
  • one group included 24 people with impaired insulin sensitivity, and one included 30 with normal insulin sensitivity. (medscape.com)
  • The results showed that the learning rate was significantly lower in the subgroup with impaired insulin sensitivity compared with those with normal insulin sensitivity following treatment with a placebo injection. (medscape.com)
  • This indicates a decreased adaptation of learning to predictability variations in individuals with impaired insulin sensitivity. (medscape.com)
  • In contrast, treatment with a single dose of liraglutide significantly enhanced the learning rate in the group with impaired insulin sensitivity but significantly reduced the learning rate in the group with normal insulin sensitivity. (medscape.com)
  • Blood sugar enters your bloodstream, which signals the pancreas to release insulin. (cdc.gov)
  • Blood sugar enters cells, and levels in the bloodstream decrease, signaling insulin to decrease too. (cdc.gov)
  • Although insulin is present in the bloodstream, the defective receptors make it less able to exert its effects on cells and tissues. (medlineplus.gov)
  • The mechanisms that regulate apelin, a peptide found in a variety of tissues in the body and in the bloodstream, and those that regulate insulin are known to be closely related, but researchers had not previously looked at how apelin affects glucose metabolism in the body. (gponline.com)
  • The insulin insensitive glucose transporter GLUT-2 in the liver and the insulin-sensitive transporter GLUT-4 in muscle and fat remove glucose from the bloodstream [ 2 ] . (encyclopedia.pub)
  • Specifically, it can impair insulin signaling pathways and reduce the ability of these tissues to take up glucose from the bloodstream in response to insulin. (dieture.com)
  • Our aim was to evaluate the prevalence of insulin resistance in Egyptian patients with chronic HCV genotype 4 infection, to assess factors associated with insulin resistance and to test the impact of insulin resistance on outcomes of treatment with pegylated interferon/ribavirin. (who.int)
  • The aim of this study was to determine the prevalence of insulin resistance and its association with magnesium status among apparently healthy adult Nigerians. (who.int)
  • Prevalence of insulin resistance was estimated and the association between plasma magnesium levels and HOMA-IR was determined. (who.int)
  • The molecular mechanisms responsible for the hepatic insulin resistance in the Il18 −/− mice involved an enhanced expression of genes associated with gluconeogenesis in the liver of Il18 −/− mice, resulting from defective phosphorylation of STAT3. (nature.com)
  • Autologous SAT transplant reduced hypertrophic adipocytes , improved insulin sensitivity , reduced hepatic lipid content, and fasting serum - free fatty acids (FFAs) concentrations in the two DIO models. (bvsalud.org)
  • This study confirms that insulin resistance affects treatment outcome, and thus HOMA-IR testing before initiation of therapy may be a cost-effective tool. (who.int)
  • Objective: We assessed the association of exposure to metal mixtures, based on assessment of 15 urinary metals, with both baseline levels and longitudinal changes in homeostatic model assessments for insulin resistance (HOMA-IR) and beta-cell function (HOMA-beta). (cdc.gov)
  • Insulin resistance is the term used to describe an impaired response to insulin in the body. (zoeharcombe.com)
  • In the liver, the number of GLUT-2 does not change in response to insulin, which in turn regulates the enzymes needed for maintaining glucose cellular disposal [ 4 ] . (encyclopedia.pub)
  • Overexpression of Rad in adipocytes and muscle cells in culture results in diminished insulin-stimulated glucose uptake. (harvard.edu)
  • Insulin is the most potent regulator in the liver, muscle, and adipocytes. (encyclopedia.pub)
  • High fat diets have been implicated in the development of insulin resistance, although the exact mechanism is not fully understood. (dieture.com)
  • Cardiovascular complications are more prevalent in individuals with conditions associated with insulin resistance. (diabetesjournals.org)
  • In addition, apelin was able to increase insulin-stimulated glucose transport, suggesting that the effects of apelin and insulin are mediated by different mechanisms and can be additive. (gponline.com)
  • Glucose homeostasis is the result of a balance between glucose uptake in organs in the fed state (glycogen synthesis and glucose metabolism) and production of glucose by the liver during fasting (glycogenolysis and gluconeogenesis) and is under the control of a constellation of hormones, from insulin to glucagon, IGF-1, leptin, adiponectin, and adrenergic mechanisms. (encyclopedia.pub)
  • Overall, while the exact mechanisms by which high fat diets lead to insulin resistance are not fully understood, it is clear that reducing overall fat intake and choosing healthy fats, such as those found in nuts, seeds, avocados, and fatty fish, may be beneficial for improving insulin sensitivity and reducing the risk of metabolic disorders. (dieture.com)
  • Objectives: Various physiological mechanisms counteract insulin resistance (IR) during normal pregnancy. (who.int)
  • Conclusion: Exposure to metal mixtures may be exerting effects on insulin resistance and beta-cell dysfunction, which might be mechanisms by which metal exposures lead to elevated diabetes risks. (cdc.gov)
  • The increase in glucose in the blood stimulates beta cells in the pancreas to produce insulin. (encyclopedia.pub)
  • Type 1 diabetes is caused by an autoimmune attack on beta-cells, eliminating the ability of the body to produce insulin. (diabetes.org)
  • Type 1 diabetes is an autoimmune condition in which the body's immune system attacks and destroys the cells in the pancreas that produce insulin. (dieture.com)
  • Discuss the clinical impact of insulin resistance and metabolic changes resulting from hyperinsulinemia. (ceinternational.com)
  • Unlike most people with insulin resistance, females with type A insulin resistance syndrome are usually not overweight. (medlineplus.gov)
  • Many people with insulin resistance have high levels of blood glucose and high levels of insulin circulating in their blood at the same time. (diabeticgourmet.com)
  • Reaven, G.M. Role of insulin resistance in human disease (syndrome X): an expanded definition. (nature.com)
  • Type A insulin resistance syndrome is a rare disorder characterized by severe insulin resistance, a condition in which the body's tissues and organs do not respond properly to the hormone insulin. (medlineplus.gov)
  • Severe insulin resistance also underlies the other signs and symptoms of type A insulin resistance syndrome. (medlineplus.gov)
  • The features of type A insulin resistance syndrome are more subtle in affected males. (medlineplus.gov)
  • Type A insulin resistance syndrome is one of a group of related conditions described as inherited severe insulin resistance syndromes. (medlineplus.gov)
  • Type A insulin resistance syndrome represents the mildest end of the spectrum: its features often do not become apparent until puberty or later, and it is generally not life-threatening. (medlineplus.gov)
  • Type A insulin resistance syndrome is estimated to affect about 1 in 100,000 people worldwide. (medlineplus.gov)
  • Type A insulin resistance syndrome results from mutations in the INSR gene. (medlineplus.gov)
  • This condition is designated as type A to distinguish it from type B insulin resistance syndrome. (medlineplus.gov)
  • Type A insulin resistance syndrome can have either an autosomal dominant or, less commonly, an autosomal recessive pattern of inheritance. (medlineplus.gov)
  • Insulin resistance is the main factor involved in the occurrence of the metabolic syndrome and later development of type2 diabetes. (libribook.com)
  • While insulin resistance is not a risk factor for metabolic syndrome, per se, it is a central cause of these risk factors. (hopewarshaw.com)
  • Insulin resistance can also put people at risk of additional medical problems including infertility, Poly Cystic Ovarian Syndrome (PCOS), depression, sleep disturbances, such as sleep apnea, several cancers and other health concerns, including dementia. (hopewarshaw.com)
  • Research shows that the earlier along this continuum of insulin resistance and metabolic syndrome you take action to put it in reverse the better. (hopewarshaw.com)
  • There is much debate as to whether insulin resistance depends on hepatitis C virus, or vice versa, or whether it is an independent syndrome. (bmj.com)
  • Participants will learn the evidence-based research into the role of diet, exercise, behavior modification, drug therapy in controlling and preventing insulin resistance syndrome and type 2 diabetes. (ceinternational.com)
  • Summarize diagnostic criteria for diagnosing hyperinsulinemia, insulin resistance and metabolic syndrome. (ceinternational.com)
  • PCOS can also cause insulin resistance, which increases blood sugar levels and can cause diabetes over time. (drhelenalim.com)
  • How do high fat diets cause insulin resistance? (dieture.com)
  • Your doctor may also prescribe Metformin, which is a medication to reduce insulin resistance. (drhelenalim.com)
  • As excess weight accumulates, especially in people who are at risk of type 2 diabetes, insulin resistance causes the body to become resistant to the insulin the body currently produces and secretes from the beta cells in the pancreas. (hopewarshaw.com)
  • Insulin resistance was inversely associated with plasma magnesium level independent of age, gender and BMI. (who.int)
  • Alterations in insulin signaling and production, as observed in insulin resistance, significantly impair glucose homeostasis in several pathological conditions, such as diabetes, hypertension, and heart failure. (encyclopedia.pub)
  • Design a lifestyle intervention plan that can improve insulin sensitivity and utilization. (ceinternational.com)
  • By reducing carbohydrate intake and increasing fat intake, the ketogenic diet can help to lower blood sugar levels and improve insulin sensitivity. (dieture.com)
  • By reducing carbohydrate intake and increasing fat intake, the ketogenic diet can improve insulin sensitivity, promote weight loss, and reduce the risk of a range of health problems associated with insulin resistance. (dieture.com)
  • Minimal weight loss improves insulin sensitivity - making the body's cells more sensitive to the insulin you still make in the pancreas. (hopewarshaw.com)
  • Becoming physically active in addition to weight loss and on its own, also improves insulin sensitivity. (hopewarshaw.com)
  • In white adipocyte tissue, insulin promotes the deposition of triglycerides, inhibits lipolysis, and promotes the absorption of glucose and fatty acids. (encyclopedia.pub)
  • Blood samples were analyzed for plasma glucose, insulin, and free-fatty acids in response to a standardizedmeal and work skills were evaluated. (cdc.gov)
  • To observe the development of Chinese medicine syndromes of rats with type 2 diabetes and insulin resistance by detecting dynamic changes of laboratory parameters. (jcimjournal.com)
  • These results demonstrate a potential synergistic interaction between increased expression of Rad and high-fat diet in creation of insulin resistance and altered lipid metabolism present in type 2 diabetes. (harvard.edu)
  • This build-up of fat, known as intracellular lipid accumulation, can interfere with the normal functioning of these tissues and lead to insulin resistance. (dieture.com)
  • intracellular lipid accumulation, high fat diets may also promote inflammation, which can further contribute to insulin resistance. (dieture.com)
  • Identify the physiological actions of insulin on the body and in the brain. (ceinternational.com)
  • Excess weight, particularly in the abdominal area, is strongly linked to insulin resistance and other metabolic disorders. (dieture.com)
  • It isn't clear exactly what causes insulin resistance, but a family history of type 2 diabetes, being overweight (especially around the waist), and being inactive all can raise the risk. (cdc.gov)
  • You do not have to be overweight to have insulin resistance. (cdc.gov)
  • Insulin resistance can also occur in people who have type 1 diabetes, especially if they are overweight. (diabeticgourmet.com)
  • Insulin resistance most often occurs in people who are overweight. (hopewarshaw.com)
  • The study run by Tittgemeyer and his associates included 54 healthy adult volunteers whom they assessed for insulin sensitivity with their homeostasis model assessment of insulin resistance. (medscape.com)
  • insulin level in a healthy state [Lebovitz, 2001]. (who.int)
  • People with type 1 diabetes don't make enough insulin and need to take it to survive. (cdc.gov)
  • In time, however, it loses the ability to secrete enough insulin in response to meals. (diabeticgourmet.com)
  • If you have insulin resistance, you want to become the opposite-more insulin sensitive (cells are more effective at absorbing blood sugar so less insulin is needed). (cdc.gov)
  • For example, diets high in saturated fat have been shown to be more detrimental to insulin sensitivity compared to diets high in unsaturated fats. (dieture.com)
  • Original exploratory experiences demonstrate that 6 weeks-exposure of lean mice to CIH is characterized by systemic insulin resistance and translates into adipocyte insulin signaling alterations. (inserm.fr)
  • Rad tg mice grow normally and have normal glucose tolerance and insulin sensitivity, but have reduced plasma triglyceride levels. (harvard.edu)
  • Nox is a major source of O 2 · − in insulin-resistant humans ( 8 , 9 ) and mice ( 10 , 11 ). (diabetesjournals.org)
  • Mice with endothelial cell-specific insulin resistance (ESMIRO and IR +/− mice) exhibit increased Nox2-mediated O 2 · − generation to an extent that evokes endothelial dysfunction. (diabetesjournals.org)
  • This is because inflammation can interfere with insulin signaling pathways and promote the production of cytokines, which are proteins that can impair insulin sensitivity. (dieture.com)
  • Insulin also signals the liver to store blood sugar for later use. (cdc.gov)
  • Lower insulin levels alert the liver to release stored blood sugar so energy is always available, even if you haven't eaten for a while. (cdc.gov)
  • There's lots of insulin, too, telling the liver and muscles to store blood sugar. (cdc.gov)
  • If you have insulin resistance, your muscle, fat, and liver cells do not use insulin properly. (diabeticgourmet.com)
  • Insulin resistance is when cells in your muscles, fat, and liver do not respond well to insulin and cannot use glucose from your blood for energy. (ceinternational.com)
  • The pancreas keeps making more insulin to try to make cells respond. (cdc.gov)
  • At first, the pancreas keeps up with the added demand by producing more insulin. (diabeticgourmet.com)
  • Insulin helps blood sugar enter the body's cells so it can be used for energy. (cdc.gov)
  • Insulin is a key player in developing type 2 diabetes. (cdc.gov)
  • Improvement of insulin sensitivity and reduction of blood glucose levels are expected goals for the treatment of type-2 diabetes. (gponline.com)
  • How Are Insulin Resistance, Pre-Diabetes, And Type 2 Diabetes Linked? (diabeticgourmet.com)
  • Type 2 diabetes is sometimes defined as the form of diabetes that develops when the body does not respond properly to insulin, as opposed to type 1 diabetes, in which the pancreas makes no insulin at all. (diabeticgourmet.com)
  • Think of insulin resistance as being at the center of this weight gain, type 2 diabetes storm. (hopewarshaw.com)
  • A rat model of type 2 diabetes and insulin resistance was established by feeding rats with high-calorie and high-fat diet together with peritoneal injection of streptozocin (30 mg/kg, once). (jcimjournal.com)
  • Magnesium deficiency has been associated with insulin resistance (IR) and increased risk for type 2 diabetes in adults. (oregonstate.edu)
  • In 1921, research led to the discovery of insulin, changing type 1 diabetes from a life-threatening condition to a manageable one. (diabetes.org)
  • Type 2 diabetes is caused by both genetic and environmental factors and impairs the body's ability to make or use insulin. (diabetes.org)
  • Studies have shown that the ketogenic diet can be effective in improving insulin resistance in individuals with type 2 diabetes. (dieture.com)
  • It is important to note that not all high fat diets are created equal, and the type of fat consumed can have different effects on insulin sensitivity. (dieture.com)
  • In general, the ketogenic diet can be effective in managing blood sugar levels and improving insulin sensitivity in people with type 2 diabetes, but it may not be appropriate for people with type 1 diabetes or certain other types of diabetes. (dieture.com)
  • As a result, people with type 1 diabetes require insulin injections or an insulin pump to manage their blood sugar levels. (dieture.com)
  • Type 2 diabetes is a condition in which the body becomes resistant to insulin, leading to high blood sugar levels. (dieture.com)
  • Insulin resistance in diabetes and other metabolic disorders could be treated by a naturally occurring molecule with insulin-like effects, studies by French researchers suggest. (gponline.com)
  • 3 ) demonstrate that endothelial cell-specific insulin resistance increases NADPH oxidase (Nox) isoform 2 (Nox2) expression to an extent that elevates superoxide anion (O 2 · − ) production and precipitates endothelial dysfunction. (diabetesjournals.org)
  • The effect of long-term treatment with apelin will now need to be studied to provide further insight into the precise role the peptide plays in treating insulin resistance, the researchers said. (gponline.com)
  • Insulin is a peptide hormone produced in the pancreas by the β cells of the Langerhans islets in response to the increase in plasma glucose levels. (encyclopedia.pub)
  • Next, some of your blood will be drawn to test your blood sugar, insulin and other hormone levels. (drhelenalim.com)
  • The effects of insulin in response to the increase in glucose levels in the blood. (encyclopedia.pub)
  • Circulating insulin exerts several effects in different tissues. (encyclopedia.pub)
  • PI3K is the main active mediator of insulin effects, via the activation of the AKT/PKB cascades. (encyclopedia.pub)
  • The activation of the MAPK cascade is associated with the proliferative effects of insulin [ 7 ] [ 8 ] . (encyclopedia.pub)
  • Over time, cells stop responding to all that insulin-they've become insulin resistant. (cdc.gov)
  • How do you find out if you're insulin resistant? (cdc.gov)
  • in the insulin-resistant subgroup, BMI averaged about 33 kg/m 2 . (medscape.com)
  • Magnesium deficiency is associated with insulin resistance in obese children. (oregonstate.edu)
  • Figure 3: Recombinant IL-18 reduced glucose concentrations during the rebound phase of an insulin-tolerance test. (nature.com)
  • Numerous research studies have shown that losing as few as 5 to 7 percent of starting weight (~10 to 20) pounds can help the body regain some insulin sensitivity. (hopewarshaw.com)
  • He took her hand and pulled her body closer insulin resistance weight loss diet plan and closer. (vssd.nl)
  • We measured serum magnesium, indexes of insulin sensitivity, dietary magnesium intake (using a food frequency questionnaire), and body composition (by air displacement plethysmography). (oregonstate.edu)
  • Magnesium plays a critical role in glucose metabolism and evidence suggest that magnesium deficiency is associated with decreased insulin sensitivity. (who.int)
  • Fasting plasma levels of magnesium, glucose and insulin were determined in 120 apparently healthy adults. (who.int)
  • Magnesium deficiency was found to be a significant predictor of insulin resistance. (who.int)
  • History and physical examination were that magnesium may play a significant role in performed in each of the study subjects at the enhancing/improving insulin sensitivity in time of blood sample collection. (who.int)
  • Does a lower insulin resistance affect antiviral therapy response in patients suffering from HCV related chronic hepatitis? (bmj.com)
  • 1003-8), insulin resistance is a worsening factor in hepatitis C virus (HCV) related chronic hepatitis. (bmj.com)
  • Insulin acts like a key to let blood sugar into cells for use as energy. (cdc.gov)
  • The pancreas pumps out more insulin to get blood sugar into cells. (cdc.gov)
  • No one test will tell you, but if you have high blood sugar levels, high triglycerides (a kind of blood fat), high LDL ("bad") cholesterol, and low HDL ("good") cholesterol, your health care provider may determine you have insulin resistance. (cdc.gov)
  • During the time when insulin resistance is slowly causing the pancreas to work overtime, (yet prior to blood glucose rising higher than normal), insulin resistance is slowly setting related health issues in motion. (hopewarshaw.com)
  • These actions can lower blood glucose (often dramatically) and in addition can often improve or put you at less risk of the other health conditions noted which are associated with insulin resistance. (hopewarshaw.com)
  • Diet plays a critical role in managing insulin resistance, and the ketogenic diet has been shown to be effective in improving insulin sensitivity and managing blood sugar levels. (dieture.com)
  • One study found that individuals who followed a ketogenic diet for 12 weeks experienced significant improvements in insulin sensitivity and blood sugar control compared to those who followed a low-fat, high-carbohydrate diet. (dieture.com)
  • The ketogenic diet can be an effective dietary approach for managing insulin resistance and improving blood sugar control. (dieture.com)
  • The exact cause of insulin resistance is not screening and blood donors. (who.int)
  • This event may constitute the molecular basis of insulin resistance development in OSA patients. (inserm.fr)

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