Cell surface glycoproteins that bind to chemokines and thus mediate the migration of pro-inflammatory molecules. The receptors are members of the seven-transmembrane G protein-coupled receptor family. Like the CHEMOKINES themselves, the receptors can be divided into at least three structural branches: CR, CCR, and CXCR, according to variations in a shared cysteine motif.
A CC-type chemokine that is a chemoattractant for EOSINOPHILS; MONOCYTES; and LYMPHOCYTES. It is a potent and selective eosinophil chemotaxin that is stored in and released from PLATELETS and activated T-LYMPHOCYTES. Chemokine CCL5 is specific for CCR1 RECEPTORS; CCR3 RECEPTORS; and CCR5 RECEPTORS. The acronym RANTES refers to Regulated on Activation, Normal T Expressed and Secreted.
Macrophage Inflammatory Proteins
Heparin-binding proteins that exhibit a number of inflammatory and immunoregulatory activities. Originally identified as secretory products of MACROPHAGES, these chemokines are produced by a variety of cell types including NEUTROPHILS; FIBROBLASTS; and EPITHELIAL CELLS. They likely play a significant role in respiratory tract defenses.
A CC chemokine with specificity for CCR5 RECEPTORS. It is a chemoattractant for NK CELLS; MONOCYTES and a variety of other immune cells. This chemokine is encoded by multiple genes.
A CC chemokine with specificity for CCR1 RECEPTORS and CCR5 RECEPTORS. It is a chemoattractant for NK CELLS; MONOCYTES; and a variety of other immune cells. This chemokine is encoded by multiple genes.
A CXC chemokine that is induced by GAMMA-INTERFERON. It is a chemotactic factor for activated T-LYMPHOCYTES and has specificity for the CXCR3 RECEPTOR.
Non-antibody proteins secreted by inflammatory leukocytes and some non-leukocytic cells, that act as intercellular mediators. They differ from classical hormones in that they are produced by a number of tissue or cell types rather than by specialized glands. They generally act locally in a paracrine or autocrine rather than endocrine manner.
A monocyte chemoattractant protein that has activity towards a broad variety of immune cell types. Chemokine CCL7 has specificity for CCR1 RECEPTORS; CCR2 RECEPTORS; and CCR5 RECEPTORS.
Monocyte Chemoattractant Proteins
The movement of leukocytes in response to a chemical concentration gradient or to products formed in an immunologic reaction.
Duffy Blood-Group System
A CC-type chemokine that is specific for CCR3 RECEPTORS. It is a potent chemoattractant for EOSINOPHILS.
A CC-type chemokine with specificity for CCR4 RECEPTORS. It has activity towards TH2 CELLS and TC2 CELLS.
A CC-type chemokine with specificity for CCR3 RECEPTORS. It is a chemoattractant for EOSINOPHILS.
A CXC chemokine that has stimulatory and chemotactic activities towards NEUTROPHILS. It has specificity for CXCR1 RECEPTORS and CXCR2 RECEPTORS.
A CX3C chemokine that is a transmembrane protein found on the surface of cells. The soluble form of chemokine CX3CL1 can be released from cell surface by proteolysis and act as a chemoattractant that may be involved in the extravasation of leukocytes into inflamed tissues. The membrane form of the protein may also play a role in cell adhesion.
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.
The endogenous compounds that mediate inflammation (AUTACOIDS) and related exogenous compounds including the synthetic prostaglandins (PROSTAGLANDINS, SYNTHETIC).
The diffusion or accumulation of neutrophils in tissues or cells in response to a wide variety of substances released at the sites of inflammatory reactions.
Intercellular Signaling Peptides and Proteins
Regulatory proteins and peptides that are signaling molecules involved in the process of PARACRINE COMMUNICATION. They are generally considered factors that are expressed by one cell and are responded to by receptors on another nearby cell. They are distinguished from HORMONES in that their actions are local rather than distal.
Granular leukocytes having a nucleus with three to five lobes connected by slender threads of chromatin, and cytoplasm containing fine inconspicuous granules and stainable by neutral dyes.
Large, phagocytic mononuclear leukocytes produced in the vertebrate BONE MARROW and released into the BLOOD; contain a large, oval or somewhat indented nucleus surrounded by voluminous cytoplasm and numerous organelles.
Cell surface proteins that bind cytokines and trigger intracellular changes influencing the behavior of cells.
The relatively long-lived phagocytic cell of mammalian tissues that are derived from blood MONOCYTES. Main types are PERITONEAL MACROPHAGES; ALVEOLAR MACROPHAGES; HISTIOCYTES; KUPFFER CELLS of the liver; and OSTEOCLASTS. They may further differentiate within chronic inflammatory lesions to EPITHELIOID CELLS or may fuse to form FOREIGN BODY GIANT CELLS or LANGHANS GIANT CELLS. (from The Dictionary of Cell Biology, Lackie and Dow, 3rd ed.)
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.
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.
Lymphocytes responsible for cell-mediated immunity. Two types have been identified - cytotoxic (T-LYMPHOCYTES, CYTOTOXIC) and helper T-lymphocytes (T-LYMPHOCYTES, HELPER-INDUCER). They are formed when lymphocytes circulate through the THYMUS GLAND and differentiate to thymocytes. When exposed to an antigen, they divide rapidly and produce large numbers of new T cells sensitized to that antigen.
Gene Expression Regulation
A platelet-specific protein which is released when platelets aggregate. Elevated plasma levels have been reported after deep venous thrombosis, pre-eclampsia, myocardial infarction with mural thrombosis, and myeloproliferative disorders. Measurement of beta-thromboglobulin in biological fluids by radioimmunoassay is used for the diagnosis and assessment of progress of thromboembolic disorders.
Tumor Necrosis Factor-alpha
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.
The major interferon produced by mitogenically or antigenically stimulated LYMPHOCYTES. It is structurally different from TYPE I INTERFERON and its major activity is immunoregulation. It has been implicated in the expression of CLASS II HISTOCOMPATIBILITY ANTIGENS in cells that do not normally produce them, leading to AUTOIMMUNE DISEASES.
Reverse Transcriptase Polymerase Chain Reaction
Specialized cells of the hematopoietic system that have branch-like extensions. They are found throughout the lymphatic system, and in non-lymphoid tissues such as SKIN and the epithelia of the intestinal, respiratory, and reproductive tracts. They trap and process ANTIGENS, and present them to T-CELLS, thereby stimulating CELL-MEDIATED IMMUNITY. They are different from the non-hematopoietic FOLLICULAR DENDRITIC CELLS, which have a similar morphology and immune system function, but with respect to humoral immunity (ANTIBODY PRODUCTION).
Enzyme-Linked Immunosorbent Assay
An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed.
Ubiquitous, inducible, nuclear transcriptional activator that binds to enhancer elements in many different cell types and is activated by pathogenic stimuli. The NF-kappa B complex is a heterodimer composed of two DNA-binding subunits: NF-kappa B1 and relA.
Disease Models, Animal
Lipid-containing polysaccharides which are endotoxins and important group-specific antigens. They are often derived from the cell wall of gram-negative bacteria and induce immunoglobulin secretion. The lipopolysaccharide molecule consists of three parts: LIPID A, core polysaccharide, and O-specific chains (O ANTIGENS). When derived from Escherichia coli, lipopolysaccharides serve as polyclonal B-cell mitogens commonly used in laboratory immunology. (From Dorland, 28th ed)
Technique using an instrument system for making, processing, and displaying one or more measurements on individual cells obtained from a cell suspension. Cells are usually stained with one or more fluorescent dyes specific to cell components of interest, e.g., DNA, and fluorescence of each cell is measured as it rapidly transverses the excitation beam (laser or mercury arc lamp). Fluorescence provides a quantitative measure of various biochemical and biophysical properties of the cell, as well as a basis for cell sorting. Other measurable optical parameters include light absorption and light scattering, the latter being applicable to the measurement of cell size, shape, density, granularity, and stain uptake.
Platelet Factor 4
A CXC chemokine that is found in the alpha granules of PLATELETS. The protein has a molecular size of 7800 kDa and can occur as a monomer, a dimer or a tetramer depending upon its concentration in solution. Platelet factor 4 has a high affinity for HEPARIN and is often found complexed with GLYCOPROTEINS such as PROTEIN C.
Granular leukocytes with a nucleus that usually has two lobes connected by a slender thread of chromatin, and cytoplasm containing coarse, round granules that are uniform in size and stainable by eosin.
Chemotactic Factors, Eosinophil
Chemokine receptors that are specific for CXC CHEMOKINES.
Subset of helper-inducer T-lymphocytes which synthesize and secrete interleukin-2, gamma-interferon, and interleukin-12. Due to their ability to kill antigen-presenting cells and their lymphokine-mediated effector activity, Th1 cells are associated with vigorous delayed-type hypersensitivity reactions.
Cells that line the inner and outer surfaces of the body by forming cellular layers (EPITHELIUM) or masses. Epithelial cells lining the SKIN; the MOUTH; the NOSE; and the ANAL CANAL derive from ectoderm; those lining the RESPIRATORY SYSTEM and the DIGESTIVE SYSTEM derive from endoderm; others (CARDIOVASCULAR SYSTEM and LYMPHATIC SYSTEM) derive from mesoderm. Epithelial cells can be classified mainly by cell shape and function into squamous, glandular and transitional epithelial cells.
A molecule that binds to another molecule, used especially to refer to a small molecule that binds specifically to a larger molecule, e.g., an antigen binding to an antibody, a hormone or neurotransmitter binding to a receptor, or a substrate or allosteric effector binding to an enzyme. Ligands are also molecules that donate or accept a pair of electrons to form a coordinate covalent bond with the central metal atom of a coordination complex. (From Dorland, 27th ed)
CXCR receptors isolated initially from BURKITT LYMPHOMA cells. CXCR5 receptors are expressed on mature, recirculating B-LYMPHOCYTES and are specific for CHEMOKINE CXCL13.
Gene Expression Profiling
Bronchoalveolar Lavage Fluid
Cell Migration Inhibition
Phenomenon of cell-mediated immunity measured by in vitro inhibition of the migration or phagocytosis of antigen-stimulated LEUKOCYTES or MACROPHAGES. Specific CELL MIGRATION ASSAYS have been developed to estimate levels of migration inhibitory factors, immune reactivity against tumor-associated antigens, and immunosuppressive effects of infectious microorganisms.
The process in which the neutrophil is stimulated by diverse substances, resulting in degranulation and/or generation of reactive oxygen products, and culminating in the destruction of invading pathogens. The stimulatory substances, including opsonized particles, immune complexes, and chemotactic factors, bind to specific cell-surface receptors on the neutrophil.
Chemokine receptors that are specific for CC CHEMOKINES.
Intercellular Adhesion Molecule-1
A cell-surface ligand involved in leukocyte adhesion and inflammation. Its production is induced by gamma-interferon and it is required for neutrophil migration into inflamed tissue.
Molecular Sequence Data
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.
Highly specialized EPITHELIAL CELLS that line the HEART; BLOOD VESSELS; and lymph vessels, forming the ENDOTHELIUM. They are polygonal in shape and joined together by TIGHT JUNCTIONS. The tight junctions allow for variable permeability to specific macromolecules that are transported across the endothelial layer.
Oligonucleotide Array Sequence Analysis
Hybridization of a nucleic acid sample to a very large set of OLIGONUCLEOTIDE PROBES, which have been attached individually in columns and rows to a solid support, to determine a BASE SEQUENCE, or to detect variations in a gene sequence, GENE EXPRESSION, or for GENE MAPPING.
Cell Adhesion Molecules
Surface ligands, usually glycoproteins, that mediate cell-to-cell adhesion. Their functions include the assembly and interconnection of various vertebrate systems, as well as maintenance of tissue integration, wound healing, morphogenic movements, cellular migrations, and metastasis.
Cell surface proteins that bind interleukins and trigger intracellular changes influencing the behavior of cells.
A critical subpopulation of T-lymphocytes involved in the induction of most immunological functions. The HIV virus has selective tropism for the T4 cell which expresses the CD4 phenotypic marker, a receptor for HIV. In fact, the key element in the profound immunosuppression seen in HIV infection is the depletion of this subset of T-lymphocytes.
Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION.
Receptors, Cell Surface
Cell surface proteins that bind signalling molecules external to the cell with high affinity and convert this extracellular event into one or more intracellular signals that alter the behavior of the target cell (From Alberts, Molecular Biology of the Cell, 2nd ed, pp693-5). Cell surface receptors, unlike enzymes, do not chemically alter their ligands.
A family of pattern recognition receptors characterized by an extracellular leucine-rich domain and a cytoplasmic domain that share homology with the INTERLEUKIN 1 RECEPTOR and the DROSOPHILA toll protein. Following pathogen recognition, toll-like receptors recruit and activate a variety of SIGNAL TRANSDUCING ADAPTOR PROTEINS.
A soluble factor produced by MONOCYTES; MACROPHAGES, and other cells which activates T-lymphocytes and potentiates their response to mitogens or antigens. Interleukin-1 is a general term refers to either of the two distinct proteins, INTERLEUKIN-1ALPHA and INTERLEUKIN-1BETA. The biological effects of IL-1 include the ability to replace macrophage requirements for T-cell activation.
Amino Acid Sequence
White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS.
Movement of tethered, spherical LEUKOCYTES along the endothelial surface of the microvasculature. The tethering and rolling involves interaction with SELECTINS and other adhesion molecules in both the ENDOTHELIUM and leukocyte. The rolling leukocyte then becomes activated by CHEMOKINES, flattens out, and firmly adheres to the endothelial surface in preparation for transmigration through the interendothelial cell junction. (From Abbas, Cellular and Molecular Immunology, 3rd ed)
The third type of glial cell, along with astrocytes and oligodendrocytes (which together form the macroglia). Microglia vary in appearance depending on developmental stage, functional state, and anatomical location; subtype terms include ramified, perivascular, ameboid, resting, and activated. Microglia clearly are capable of phagocytosis and play an important role in a wide spectrum of neuropathologies. They have also been suggested to act in several other roles including in secretion (e.g., of cytokines and neural growth factors), in immunological processing (e.g., antigen presentation), and in central nervous system development and remodeling.
Vascular Cell Adhesion Molecule-1
Cytokine-induced cell adhesion molecule present on activated endothelial cells, tissue macrophages, dendritic cells, bone marrow fibroblasts, myoblasts, and myotubes. It is important for the recruitment of leukocytes to sites of inflammation. (From Pigott & Power, The Adhesion Molecule FactsBook, 1993, p154)
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.
Differentiation antigens residing on mammalian leukocytes. CD stands for cluster of differentiation, which refers to groups of monoclonal antibodies that show similar reactivity with certain subpopulations of antigens of a particular lineage or differentiation stage. The subpopulations of antigens are also known by the same CD designation.
Culture Media, Conditioned
Substances that reduce or suppress INFLAMMATION.
Specialized tissues that are components of the lymphatic system. They provide fixed locations within the body where a variety of LYMPHOCYTES can form, mature and multiply. The lymphoid tissues are connected by a network of LYMPHATIC VESSELS.
A technique of culturing mixed cell types in vitro to allow their synergistic or antagonistic interactions, such as on CELL DIFFERENTIATION or APOPTOSIS. Coculture can be of different types of cells, tissues, or organs from normal or disease states.
Cellular receptors that bind the human immunodeficiency virus that causes AIDS. Included are CD4 ANTIGENS, found on T4 lymphocytes, and monocytes/macrophages, which bind to the HIV ENVELOPE PROTEIN GP120.
The process of altering the morphology and functional activity of macrophages so that they become avidly phagocytic. It is initiated by lymphokines, such as the macrophage activation factor (MAF) and the macrophage migration-inhibitory factor (MMIF), immune complexes, C3b, and various peptides, polysaccharides, and immunologic adjuvants.
A membrane-bound tumor necrosis family member found primarily on LYMPHOCYTES. It can form a heterotrimer (LYMPHOTOXIN ALPHA1, BETA2 HETEROTRIMER) with the soluble ligand LYMPHOTOXIN-ALPHA and anchor it to the cell surface. The membrane-bound complex is specific for the LYMPHOTOXIN BETA receptor.
Toll-Like Receptor 4
A pattern recognition receptor that interacts with LYMPHOCYTE ANTIGEN 96 and LIPOPOLYSACCHARIDES. It mediates cellular responses to GRAM-NEGATIVE BACTERIA.
Integrin alpha4beta1 is a FIBRONECTIN and VCAM-1 receptor present on LYMPHOCYTES; MONOCYTES; EOSINOPHILS; NK CELLS and thymocytes. It is involved in both cell-cell and cell- EXTRACELLULAR MATRIX adhesion and plays a role in INFLAMMATION, hematopoietic cell homing and immune function, and has been implicated in skeletal MYOGENESIS; NEURAL CREST migration and proliferation, lymphocyte maturation and morphogenesis of the PLACENTA and HEART.
The mucous membrane lining the RESPIRATORY TRACT, including the NASAL CAVITY; the LARYNX; the TRACHEA; and the BRONCHI tree. The respiratory mucosa consists of various types of epithelial cells ranging from ciliated columnar to simple squamous, mucous GOBLET CELLS, and glands containing both mucous and serous cells.
Real-Time Polymerase Chain Reaction
A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated.
Cell Line, Tumor
A cell line derived from cultured tumor cells.
Toll-Like Receptor 2
Granulated cells that are found in almost all tissues, most abundantly in the skin and the gastrointestinal tract. Like the BASOPHILS, mast cells contain large amounts of HISTAMINE and HEPARIN. Unlike basophils, mast cells normally remain in the tissues and do not circulate in the blood. Mast cells, derived from the bone marrow stem cells, are regulated by the STEM CELL FACTOR.
A classification of T-lymphocytes, especially into helper/inducer, suppressor/effector, and cytotoxic subsets, based on structurally or functionally different populations of cells.
A class of large neuroglial (macroglial) cells in the central nervous system - the largest and most numerous neuroglial cells in the brain and spinal cord. Astrocytes (from "star" cells) are irregularly shaped with many long processes, including those with "end feet" which form the glial (limiting) membrane and directly and indirectly contribute to the BLOOD-BRAIN BARRIER. They regulate the extracellular ionic and chemical environment, and "reactive astrocytes" (along with MICROGLIA) respond to injury.
A cytokine produced by a variety of cell types, including T-LYMPHOCYTES; MONOCYTES; DENDRITIC CELLS; and EPITHELIAL CELLS that exerts a variety of effects on immunoregulation and INFLAMMATION. Interleukin-10 combines with itself to form a homodimeric molecule that is the biologically active form of the protein.
Killer Cells, Natural
Bone marrow-derived lymphocytes that possess cytotoxic properties, classically directed against transformed and virus-infected cells. Unlike T CELLS; and B CELLS; NK CELLS are not antigen specific. The cytotoxicity of natural killer cells is determined by the collective signaling of an array of inhibitory and stimulatory CELL SURFACE RECEPTORS. A subset of T-LYMPHOCYTES referred to as NATURAL KILLER T CELLS shares some of the properties of this cell type.
Toll-Like Receptor 3
Early gene expression of NK cell-activating chemokines in mice resistant to Leishmania major. (1/75)Susceptibility of mice to Leishmania major is associated with an insufficient NK cell-mediated innate immune response. We analyzed the expression of NK cell-activating chemokines in vivo during the first days of infection in resistant and susceptible mice. The mRNA expression of gamma interferon-inducible protein 10 (IP-10), monocyte chemoattractant protein 1 (MCP-1), and lymphotactin was upregulated 1 day after infection in the draining lymph nodes of resistant C57BL/6 mice but not in those of susceptible BALB/c mice. In vivo local treatment of BALB/c mice with recombinant IP-10 shortly after infection resulted in an enhanced NK cell activity in the draining lymph node. The data suggest that although the recruitment of NK cells is normal in susceptible mice, the lack of NK cell-activating chemokines is a factor resulting in a suboptimal NK cell-mediated defense. (+info)
An activation-responsive element in single C motif-1/lymphotactin promoter is a site of constitutive and inducible DNA-protein interactions involving nuclear factor of activated T cell. (2/75)Single C motif-1 (SCM-1)/lymphotactin is a C-type chemokine whose expression is activation dependent, cyclosporin A sensitive and restricted to CD8+ T cells, double-negative thymocytes, gammadelta-type T cells, and NK cells. In humans, there are two highly homologous genes encoding SCM-1alpha and SCM-1beta. Here we examined the regulatory mechanism of the SCM-1 genes. The luciferase reporter gene under the control of the 5' flanking region of 0.7 kb was strongly induced upon activation with anti-CD3 or PHA plus PMA only in SCM-1-producer T cell lines through a cyclosporin A-sensitive mechanism. An element termed E1 located at -108 to -95 nt relative to the major transcription start site was found to be critical for the promoter activity. In electrophoretic mobility shift assays using the E1 oligonucleotide as probe, nuclear extracts from unstimulated T and B cell lines formed a constitutive complex termed complex I, while nuclear extracts from stimulated SCM-1-producer T cell lines formed a higher mobility complex termed complex II with a concomitant decrease in complex I. The shift from complex I to complex II seen only in SCM-1-producer T cell lines upon activation was completely suppressed by cyclosporin A. Both complexes were critically dependent on the NF-AT core sequence TTTCC in the E1 element and were partially supershifted by anti-NF-ATp. One-hybrid assays in yeast isolated NF-ATp as an E1 binding protein, and transfection of NF-ATp into T and B cell lines strongly enhanced the activation-dependent SCM-1 promoter activity. Collectively, a unique mechanism involving NF-ATp appears to regulate the cell type-specific and activation-dependent expression of the SCM-1 genes. (+info)
Gene disruption through homologous recombination in Spiroplasma citri: an scm1-disrupted motility mutant is pathogenic. (3/75)To determine whether homologous recombination could be used to inactivate selected genes in Spiroplasma citri, plasmid constructs were designed to disrupt the motility gene scm1. An internal scm1 gene fragment was inserted into plasmid pKT1, which replicates in Escherichia coli but not in S. citri, and into the S. citri oriC plasmid pBOT1, which replicates in spiroplasma cells as well as in E. coli. Electrotransformation of S. citri with the nonreplicative, recombinant plasmid pKTM1 yielded no transformants. In contrast, spiroplasmal transformants were obtained with the replicative, pBOT1-derived plasmid pCJ32. During passaging of the transformants, the plasmid was found to integrate into the chromosome by homologous recombination either at the oriC region or at the scm1 gene. In the latter case, plasmid integration by a single crossover between the scm1 gene fragment carried by the plasmid and the full-length scm1 gene carried by the chromosome led to a nonmotile phenotype. Transmission of the scm1-disrupted mutant to periwinkle (Catharanthus roseus) plants through injection into the leafhopper vector (Circulifer haematoceps) showed that the motility mutant multiplied in the insects and was efficiently transmitted to plants, in which it induced symptoms similarly to the wild-type S. citri strain. These results suggest that the spiroplasmal motility may not be essential for pathogenicity and that, more broadly, the S. citri oriC plasmids can be considered promising tools for specific gene disruption by promoting homologous recombination in S. citri, a mollicute which probably lacks a functional RecA protein. (+info)
Activation of C-C beta-chemokines in human peripheral blood gammadelta T cells by isopentenyl pyrophosphate and regulation by cytokines. (4/75)Human gammadelta T lymphocytes respond to viral, bacterial, protozoal, and tumoral antigens, but their precise function remains unknown. In adults the major circulating gammadelta T-cell subset expresses the Vgamma9Vdelta2 T-cell receptor and responds to protease-resistant phosphorylated derivatives found in many pathogens. In this study we show that activation of Vdelta2(+) cells with the nonpeptidic antigen isopentenyl pyrophosphate (IPP) rapidly induces (within 4-12 hours) the C-C chemokines MIP-1alpha, MIP-1beta, and lymphotactin but not MCP-1. The most robust response was obtained for MIP-1beta. IPP induction of MIP-1alpha and MIP-1beta was not affected by costimulation with interleukin-4 (IL-4), IL-10, TGF-beta, or interferon-gamma (INF-gamma). However, IL-12 significantly enhanced IPP-induced expression and release of MIP-1alpha that was down-regulated by TGF-beta whereas the induction of MIP-1beta by IPP+IL-12 was refractory to cotreatment with TGFbeta indicating that these chemokines are differentially regulated by these cytokines. Vdelta2(+) T cells also expressed a wide range of C-C chemokine receptors including CCR1, CCR5, and CCR8, all of which were down-regulated following activation. We conclude that Vdelta2(+) cells can be rapidly induced by components of bacterial cell walls to express high levels of proinflammatory chemokines, supporting an important role for these cells in the early stages of the inflammatory responses to many common pathogens. (Blood. 2000, 95:39-47) (+info)
Adenovirus-mediated lymphotactin gene transfer improves therapeutic efficacy of cytosine deaminase suicide gene therapy in established murine colon carcinoma. (5/75)Lymphotactin (Ltn) is the sole member of C chemokines which attracts T cells and NK cells specially. Ltn gene was transferred in vivo to improve the antitumor efficacy of cytosine deaminase (CD) gene therapy. Upregulation of CD80 and CD54 on murine CT26 colon carcinoma cells was observed after combined transfection with adenovirus encoding CD (AdCD) and adenovirus encoding murine Ltn (AdLtn) followed by administration of 5-fluorocytosine (5FC) in vitro. AdCD/5FC treatment also increased the expression of CD95 and induced obvious apoptosis of CT26 cells. After combined treatment with AdLtn and AdCD/5FC, the pre-established murine model with subcutaneous CT26 colon carcinoma exhibited most significant tumor growth inhibition, and four of eight tumor-bearing mice were tumor free, while tumors in other mice grew more progressively. Examination of lymphocyte infiltration and cytokine gene expression in tumor tissue revealed that tumors from AdLtn/AdCD/5FC-or AdLtn-treated mice were heavily infiltrated with CD4+, CD8+ T cells and NK cells, and IL-2 and IFN-gamma mRNA expression were present in parallel with T cell and NK cell infiltration. Splenic NK and CTL activities increased significantly after the combination therapy. In vivo depletion analysis showed that NK cells, CD4+ T cells and CD8+T cells participated in the antitumor effect of the host with CD8+T cells being the main T cell subset responsible for the enhanced antitumor immune response. These findings suggested that increased immunogenicity and induction of apoptosis of the tumor cells, and efficient induction of local and systemic antitumor immunity of the host might contribute to the enhanced antitumor effects of the combined Ltn and CD suicide therapy. Gene Therapy (2000) 7, 329-338. (+info)
Biochemical characterization of endogenously formed eosinophilic crystals in the lungs of mice. (6/75)Crystals seldom form spontaneously within tissues of mammals, except in the urinary tract or in association with eosinophil-rich diseases in humans (Charcot-Leyden crystals). Endogenously formed eosinophilic crystals have been reported in respiratory tract and other tissues of several strains of mice, but the biochemical characterization of these crystals has not been reported. In this study, eosinophilic crystal formation was examined in homozygous C57BL/6J viable motheaten mice, lung-specific surfactant apoprotein C promoter/soluble human tumor necrosis factor p75 receptor type II fusion protein transgenic mice (C57BL/6NTac x Sv/129), and CD40L-deficient mice with spontaneous Pneumocystis carinii infection. In viable motheaten but not wild type mice, rapidly developing crystals represented a major feature of the fatal lung injury induced by macrophage dysregulation. Conversely, eosinophilic crystals did not form until 4-8 months of age in transgenic and CD40L-deficient mice and were present in 10-30% of age-matched wild type controls. Mass spectrometry analysis of proteins from bronchoalveolar lavage fluid identified the crystals as Ym1, sometimes referred to as T-lymphocyte-derived eosinophil chemotactic factor. The Ym1 sequence was homologous to chitinase, and enzymatic assays indicated a 3-5-fold increase in chitinase activity compared with control mice. Intracellular and extracellular crystals associated with epithelial damage suggested that the crystals may contribute to lung inflammation through mechanical damage and enzymatic degradation. (+info)
The C-class chemokine, lymphotactin, impairs the induction of Th1-type lymphokines in human CD4(+) T cells. (7/75)Chemokines are involved in the regulation of leukocyte migration and for some of them, T-cell costimulation. To date, the only direct property of lymphotactin (Lptn), the unique member of the C class of chemokines, consists of T-cell chemoattraction. This report describes a novel function for Lptn in human T-lymphocyte biology, by demonstrating the direct ability of Lptn to both inhibit and costimulate CD4(+) and CD8(+) T-cell activation, respectively. Lptn but not RANTES inhibited CD4(+) T-cell proliferation, through a decreased production of Th1 (interleukin [IL]-2, interferon [IFN]-gamma) but not Th2 (IL-4, IL-13) lymphokines, and decreased IL-2R alpha expression. Transfections in Jurkat cells showed a Lptn-mediated transcriptional down-regulation of gene-promoter activities specific for Th1-type lymphokines, as well as of nuclear factor of activated T cells (NF-AT) but not AP-1 or NF-KB enhancer activities. This suppressive action of Lptn could be compensated by overexpression of NF-ATc but not NF-ATp. CD4(+) T-cell proliferation was completely restored by exogenous IL-2 or reversed by pertussis toxin, wortmannin, and genistein, suggesting the involvement of multiple partners in Lptn signaling. In contrast to CD4(+) cells, Lptn exerted a potent costimulatory activity on CD8(+) T-cell proliferation and IL-2 secretion. These data provide important insights into the role of Lptn in differential regulation of normal human T-cell activation and its possible implication in immune response disorders. (Blood. 2000;96:420-428) (+info)
Identification of a gammaherpesvirus selective chemokine binding protein that inhibits chemokine action. (8/75)Chemokines are involved in recruitment and activation of hematopoietic cells at sites of infection and inflammation. The M3 gene of gammaHV68, a gamma-2 herpesvirus that infects and establishes a lifelong latent infection and chronic vasculitis in mice, encodes an abundant secreted protein during productive infection. The M3 gene is located in a region of the genome that is transcribed during latency. We report here that the M3 protein is a high-affinity broad-spectrum chemokine scavenger. The M3 protein bound the CC chemokines human regulated upon activation of normal T-cell expressed and secreted (RANTES), murine macrophage inflammatory protein 1alpha (MIP-1alpha), and murine monocyte chemoattractant protein 1 (MCP-1), as well as the human CXC chemokine interleukin-8, the murine C chemokine lymphotactin, and the murine CX(3)C chemokine fractalkine with high affinity (K(d) = 1. 6 to 18.7 nM). M3 protein chemokine binding was selective, since the protein did not bind seven other CXC chemokines (K(d) > 1 microM). Furthermore, the M3 protein abolished calcium signaling in response to murine MIP-1alpha and murine MCP-1 and not to murine KC or human stromal cell-derived factor 1 (SDF-1), consistent with the binding data. The M3 protein was also capable of blocking the function of human CC and CXC chemokines, indicating the potential for therapeutic applications. Since the M3 protein lacks homology to known chemokines, chemokine receptors, or chemokine binding proteins, these studies suggest a novel herpesvirus mechanism of immune evasion. (+info)
Anti Human Lymphotactin Antibody | Bio-Rad Antibodies (formerly AbD Serotec)
Rabbit anti Human Lymphotactin antibody recognizes human Lymphotactin, otherwise known as XCL1, the only member of the C-chemokine family
Other Chemokine-related Ligands and Receptors Research Areas: R&D Systems
Mouse XCL1 / Lymphotactin Protein | Recombinant aa 22-114 () | LSBio
XCL1 / Lymphotactin Protein LS-G5664 is a Recombinant Mouse XCL1 / Lymphotactin aa 22-114 produced in E. coli. It is biologically active.
The CD8-Derived Chemokine XCL1/Lymphotactin Is a Conformation-Dependent, Broad-Spectrum Inhibitor of HIV-1
Author Summary Although HIV, the causative agent of AIDS, establishes a lifelong infection that cannot be eradicated even with effective treatment, the host immune system has the ability to contain its replication for many years in which the disease remains asymptomatic. Key players in HIV control are CD8+ T cells, specialized immune cells that can not only destroy infected cells, but also secrete soluble factors that suppress the virus without killing infected cells. CD8+ T cells produce multiple HIV-suppressive factors, including certain chemokines (soluble proteins that attract immune cells), which block the virus even before it can gain access to its target cells. In the present study, we characterize a new anti-HIV chemokine, XCL1 or lymphotactin, which is primarily produced by CD8+ T cells. A unique feature of XCL1 is that, unlike other antiviral chemokines, it has a very broad spectrum of activity against different variants of HIV-1 and directly binds the virus outer coat, rather than blocking
Protein Foundry - Recombinant Human XCL1 /Lymphotactin (Ltn)
XCL1 protein is expressed in E. coli, processed, refolded and purified to yield the native, secreted form of the mature chemokine. XCL1 is a ligand for the G protein coupled receptor XCR1 with and EC50 ~ 50 nM. It has been shown the WT XCL1 is able to int
Viral Lymphotactin elisa and antibody
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Chemokine receptor-ligand interactions are important to support functioning of both normal and pathologic cells. The expression and function of chemokine receptors in epithelial ovarian carcinoma (EOC) is largely unknown. Here, we report that the lymphotactin receptor (XCR1) was expressed in primary and metastatic human epithelial ovarian carcinoma (EOC) specimens and cell lines. In contrast, expression of XCR1 was not detected in the normal ovary or in human normal ovarian surface epithelial cells. Our data indicate that XCL1 and XCL2 are either present in the malignant ascites or expressed by the ovarian carcinoma cells. The addition of lymphotactin (XCL1 and XCL2) stimulated migration and proliferation of XCR1-positive cells. Reduction of XCR1 expression in ovarian carcinoma cell line SKOV-3 resulted in abrogated diaphragm and peritoneal wall tumor formation and in reduced frequency of colonic, splenetic, and liver nodules in an in vivo xenograft mouse model. Taken together, our data suggest ...
Rabbit Anti-Mouse XCL1 pAb | Cell Sciences
Anti-Mouse Lymphotactin/XCL1 polyclonal antibody reacts with mouse lymphotactin. |br| Background: Lymphotactin is the only C chemokine so far identified which has a single cysteine residue near the amino terminus. It has 114 amino acids with a 22 amino a
Production and Regulation of Human T Lymphocyte Chemotactic Factor (LCF) | SpringerLink
The mobilisation of leukocytes to inflammatory sites is crucial to host defense. Over the years a wealth of information has evolved concerning the mechanism of leukocyte locomotion and factors with...
Team : Dendritic cells, B lymphocytes and cytokines in their microenvironment during viral infections and cancer - Institut...
Our team studies antigen presentation by DC. It has demonstrated cross-presentation ability of human plasmacytoid DC (pDC) and conventional DC1 bearing the chemokine receptor XCR1. We showed that DC perform cross-presentation of HIV antigens to specific CD8+ T lymphocytes specific for HIV very efficiently not only from apoptotic infected cells, but also from live cells. We are seeking to exploit this antigen presentation from live cells to kill cells which are HIV reservoirs or, with Armelle Prévost-Blondel, metastatic melanoma cells. (Immune activation and suppression during HIV infecton). We study the roles of different DC and monocyte/macrophage populations in T cell response polarization et in type I or III IFN production during HIV infection. We were the first to show during this infection the depletion of circulating DC et the accumulation of pro-inflammatory slan+ monocytes. Our aim is to reduce the reservoirs and the immune hyper activation and immune suppression which are linked to ...
Sandwalk: One Protein - Two Folds
This is an interesting and important finding because it is (so far) the only example of a protein adopting two completely different stable folds with no hydrogen bonds in common at equilibrium. Trivially, natively disordered proteins adopt multiple conformations under physiological solution conditions, and many proteins alter their conformations in response to ligand binding while keeping most of their hydrogen bond network intact. In this case, however, an existing network of stabilizing bonds is completely disrupted in order to form a new fold with a totally different function. Ive already discussed some of the implications of this with respect to protein folding, and in regards to the recent transitive homology studies out of the Cordes group. Lymphotactin offers lessons and ideas for protein folding and evolution that must be taken into account. In particular, the fact that point mutations can significantly stabilize one or the other of these structures implies that there may be previously ...
γ-Tocotrienol Attenuates Triglyceride through Effect on Lipogenic Gene Expressions in Mouse Hepatocellular Carcinoma Hepa 1-6
Japans largest platform for academic e-journals: J-STAGE is a full text database for reviewed academic papers published by Japanese societies
Two hypothetical ionic compounds are discovered with the chemical formulas XCl2 and YCl2, where X and Y represent symbols of...
Get an answer for Two hypothetical ionic compounds are discovered with the chemical formulas XCl2 and YCl2, where X and Y represent symbols of the imaginary elements. Chemical analysis of the two compounds reveals that 0.25 mol XCl2 has a mass of 100.0 g and 0.50 mol YCl2has a mass of 125.0 g. a. What are the molar masses of XCl2 and YCl2? and find homework help for other Science questions at eNotes
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The Xenopus xCR1 protein is a receptor of the nodal signaling pathway, and vertebrate development requires the precise activation of this pathway at a specific time and place during embryogenesis. This requirement is met by restricting the accumulation of xCR1 protein to the animal cells within the developing embryo through the regulated translation of the maternal xCR1 mRNA (Zhang and Sheets, 2009). The maternal xCR1 mRNA is translated in animal cells while the xCR1 mRNA in vegetal cells is translationally repressed. The functional unit of mRNA translation is the mRNP that consists of the relevant mRNA regulatory sequences associated with specific RNA binding proteins. We have defined the mRNP that mediates repression in vegetal cells as consisting of the xCR1 mRNAs 3 UTR associated with the Pumilio and CUG-BP1 proteins (Zhang and Sheets, 2009). We are currently focused on understanding the mechanisms by which the xCR1 mRNP represses translation in one cell type but not the other. These ...
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CP000859.PE462 Location/Qualifiers FT CDS complement(528716..529123) FT /codon_start=1 FT /transl_table=11 FT /locus_tag=Dole_0462 FT /product=cytochrome c class III FT /note=PFAM: cytochrome c class III; KEGG: dde:Dde_3710 FT acidic cytochrome c3 FT /db_xref=EnsemblGenomes-Gn:Dole_0462 FT /db_xref=EnsemblGenomes-Tr:ABW66272 FT /db_xref=GOA:A8ZTK8 FT /db_xref=InterPro:IPR002322 FT /db_xref=InterPro:IPR011031 FT /db_xref=InterPro:IPR020942 FT /db_xref=InterPro:IPR036280 FT /db_xref=UniProtKB/TrEMBL:A8ZTK8 FT /protein_id=ABW66272.1 FT /translation=MRQRVGRKKATVLVSAFFSLFFVLSGNCVLAQDLELKMTDDVTRP FT PVIFPHDLHMGGFDCFDCHHDYDEDGNNILDDYALEEGNPDILCGACHTGKTTIEPREA FT FHLQCMGCHEQFTFKKRPTGPVLCGECHVKE MRQRVGRKKA TVLVSAFFSL FFVLSGNCVL AQDLELKMTD DVTRPPVIFP HDLHMGGFDC 60 FDCHHDYDED GNNILDDYAL EEGNPDILCG ACHTGKTTIE PREAFHLQCM GCHEQFTFKK 120 RPTGPVLCGE CHVKE 135 ...
Chemokine XCR1 AequoScreen cell line | PerkinElmer
Fast, simple luminescent calcium flux assays using an AequoScreen cell line stably-transfected with human chemokine XCR1 receptor.
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Allogeneic Neuroblastoma Cells for Relapsed/ Refractory Neuroblastoma, CYCHEALL - Full Text View - ClinicalTrials.gov
The investigators have grown neuroblastoma cells in the laboratory and put into them two specially produced mouse viruses (retroviruses) that carry the lymphotactin and the IL-2 gene. These lymphotactin and IL-2 genes are meant to help the immune system fight the cancer. The modified cancer cells will be injected under the patients skin. There will be four shots. The second and subsequent shots will have ten times as many cells producing lymphotactin as the first. The patient will normally have these shots as an outpatient. Depending on response (if the patients cancer has stayed the same or gotten smaller), the patient may be able to have four more of these shots.. Tests during and after treatment:. If the patients blood has not been tested for HIV, the virus that causes AIDS, then the investigators will need to do this test. If this virus is present, this research treatment cannot be used.. Before the second shot, and then again about 2 weeks later, the investigators will remove some of the ...
Effects of small interfering RNA targeting heparanase-1 combined with heparin on invasiveness of mouse hepatocellular carcinoma...
Heparanase-1 (HPA-1) can promote angiogenesis and metastasis of malignant tumors and plays an important role in the genesis and development of tumors. This study was to explore the effects of specific small interfering RNA (siRNA) targeting HPA-1 com
A Phase I/II Study Of Immunization With Lymphotactin And Interleukin 2 Gene Modified Neuroblastoma Tumor Cells - Full Text View...
VACCINE DOSING: Vaccine components SJNB-JF-IL2 and SJNB-JF-Lptn will each be dosed at 1x10e7 cells/m2. This will be given in conjunction with an escalating dose of SKNLP vaccine in the phase I portion of this study. In the phase II portion of this study, the same dose of SJNB-JF-IL2 and SJNB-JF-Lptn will be given in conjunction with the highest dose of SKNLP determined in the phase I portion. Vaccination will be administered on an inpatient or outpatient basis. Patient will be notified of which dose of vaccine cells they will receive if enrolled in the study.. Phase I Dose Escalation Component: While the investigators do not suspect that addition of a second irradiated, unmodified neuroblastoma tumor cell line to the previously tested SJNB-JF gene modified cell line will affect the safety profile of the vaccine, as the SKNLP has not been tested previously in vaccine studies, the investigators will perform an abbreviated dose escalation study of the combined vaccine to assess safety. The ...
Outcomes in patients undergoing complex cardiac repairs with cross clamp times over 300 minutes | Journal of Cardiothoracic...
Complex surgical procedures requiring long cross clamp times for complete repair are often patients only chance for survival and better quality of life. Decisions about operability are often difficult, as research has shown that XCL time is an independent predictor of mortality and morbidity in patients undergoing cardiac surgeries [1, 2, 4]. Our results demonstrate that while high in relation to less complex surgeries, a 12.4 % mortality in these complex, high risk patients is lower than that reported by studies in the literature addressing longer XCL times. Nissinen et al. observed a 31.5 % 30-day mortality rate in their patients with XCL times greater than 240 min . Furthermore, Al-Sarraf et al. found that high risk patients (EuroScore ≥ 6) with XCL times ,90 min and those with XCL times , 60 min and ≤ 90 min were respectively 4.7 and 3.1 times more likely to die than those with XCL times ≤ 60 min . Doenst et al. found that XCL times greater than 30 min were associated with a ...
SCM-198 inhibits microglial overactivation and attenuates Aβ 1-40 -induced cognitive impairments in rats via JNK and NF-кB...
Neuroinflammation mediated by overactivated microglia plays a key role in many neurodegenerative diseases, including Alzheimers disease (AD). In this study, we investigated for the first time the anti-neuroinflammatory effects and possible mechanisms of SCM-198 (an alkaloid extracted from Herbaleonuri), which was previously found highly cardioprotective, both in vitro and in vivo. For in vitro experiments, lipopolysaccharide (LPS) or β-amyloid1-40 (Aβ1-40) was applied to induce microglial overactivation. Proinflammatory mediators were measured and activations of NF-κB and mitogen-activated protein kinases (MAPKs) pathways were investigated. Further protective effect of SCM-198 was evaluated in microglia-neuron co-culture assay and Sprague-Dawley (SD) rats intrahippocampally-injected with Aβ1-40. SCM-198 reduced expressions of nitric oxide (NO), TNF-α, IL-1β and IL-6 possibly via, at least partially, inhibiting c-Jun N-terminal kinase (JNK) and NF-κB signaling pathways in microglia. Co-culture
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KAKEN - Researchers | KATSUDA Masahiro (50464673)
Affiliation (Current)：和歌山県立医科大学,医学部,准教授, Research Field：Digestive surgery,General surgery,Basic Section 55020:Digestive surgery-related, Keywords：樹状細胞,がんワクチン,癌ワクチン,食道癌,ペプチド,XCR1,XCL1,TLR-9,CpG-ODN,アジュバント, # of Research Projects：10, # of Research Products：78, Ongoing Project：樹状細胞サブセットの選択的貪食による革新的XCL1産生腫瘍細胞ワクチンの開発
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WikiGenes - XCL2 - chemokine (C motif) ligand 2
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Lymphocyte chemotaxis in inflammation. VIII. Demonstration of...
Fungal lectin, XCL, is internalized via clathrin-dependent endocytosis and facilitates uptake of other molecules.
The lectin isolated from Xerocomus chrysenteron (XCL) displays a toxic activity towards insects. In order to assess its possible mode of action and to gather useful data for its potential use in insect-resistant transgenic plants, we investigated the
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Lumintop ED20 (XM-L, 1x18650 2xCR123A/RCR) Review: RUNTIMES, BEAMSHOTS and more
Warning: pic heavy, as usual. :whistle: http://i243.photobucket.com/albums/ff97/selfbuilt/2011/ED20002.jpg http://i243.photobucket.com/albums/ff97/selfbuilt/2011/ED20003.jpg Lumintop has recently come out with a new series of 2xCR123A/1x18650 lights. In this review, I will be looking at the ED20 a backup model light. The light comes in both Cool White and Neutral White tint bins, and I will be testing both here. Specifications: LED: CREE XM-L Neutral White or Cool White LED
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LTN1 - PCR Primer Pair - Probe | PrimePCR | Bio-Rad
This is the amplicon context sequence in accordance with the minimum information for the publication of real-time quantitative PCR experiements (MIQE) guidelines. For more details, please refer to the following publication, Primer Sequence Disclosure: A Clarification of the MIQE Guidelines. ...
Genetic Algorithm Library Download | ZDNet
Genetic Algorithm Library is highly customizable set of C++ classes which provides easy way to use genetic algorithms to solve optimization
3TZ5 | Genus
chains in the Genus database with same CATH superfamily 3B27 A; 1GJV A; 3O2F A; 1UYK A; 5IN9 A; 2XDK A; 4YKT A; 2CG9 A; 3EKO A; 4E01 A; 3BM9 A; 4K4O A; 2VWC A; 1YES A; 2BU8 A; 4PU9 A; 3B24 A; 3ZKB A; 1NHJ A; 4HYP A; 1TBW A; 2JKI A; 4R3M A; 4Q20 A; 2YI6 A; 4KFG A; 4XCL A; 2XAB A; 4XIR A; 2O1U A; 1Y4S A; 3FT8 A; 3HZ1 A; 3VHA A; 1TC0 A; 2YEI A; 3B26 A; 3G7E A; 1YC1 A; 4XIQ A; 1UYI A; 5FWK A; 4CWP A; 4MP7 A; 1TH8 A; 1GKX A; 4YKR A; 4MPN A; 4MP2 A; 4HYM A; 3A0T A; 5M4E A; 4BXI A; 3B25 A; 4EFT A; 1I59 A; 4URN A; 1AJ6 A; 3R91 A; 4I5S A; 3INX A; 3T1K A; 1THN A; 4KTN A; 2H55 A; 3C0E A; 4YKW A; 4ZVI A; 3U2D A; 3QDD A; 4U7O A; 4CWT A; 1I5A A; 4DZY A; 2GQP A; 3TZ2 A; 1NHI A; 1YET A; 1AH6 A; 3RLP A; 1B3Q A; 5J71 A; 5M4K A; 2YKI A; 4CWF A; 5F5R A; 3U2K A; 1US7 A; 1UY8 A; 3U67 A; 2HG1 A; 1QZR A; 4LWF A; 4FMT A; 1UYM A; 4CE2 A; 4WUC A; 3H80 A; 4HXW A; 3HYY A; 2ZDY A; 2XJJ A; 4XC0 A; 4YKY A; 3VHD A; 3EHG A; 4YKZ A; 2Q8I A; 4YKU A; 3R4N A; 3HYZ A; 1U2O A; 3TZ4 A; 2YI0 A; 4BQJ A; 4FCR A; 2Q8F A; 2XX5 A; 4XKO A; ...
His team demonstrated in 2005 that the chemokine receptor D6 acts as a decoy and scavenger receptor for inflammatory chemokines ... Chemokines. 1999. Pharmacology of cytokines. 2000. Gianfranco Bazzoni; Elisabetta Dejana; Alberto Mantovani (2006). Piccin (ed ... which is part of the large superfamily of chemokines, which belong to the family of cytokines. His works help to establish the ... "Increased inflammation in mice deficient for the chemokine decoy receptor D6". European Journal of Immunology. 35 (5): 1342- ...
Chemokines are a subset of cytokines that regulate cell migration, such as attracting immune cells to a site of infection or ... Physiologically, chemokines and cytokines function as neuromodulators that regulate inflammation and development. In the ... Various cell types in the brain may produce cytokines and chemokines such as microglia, astrocytes, endothelial cells, and ... After injury and sustained release of inflammatory factors such as chemokines, the blood-brain barrier may be compromised, ...
Lymph node stromal cell
For example, Naive T cells express the CCR7 receptor for the chemokine CCL21. and B cells exhibit CXCR5 receptors for chemokine ... FRCs express chemokines such as CCL21 and CCL19 which assist the movement of T cells and dendritic cells with CCR7 receptors. ... FDCs produce chemokine CXCL13 which promotes migration of B lymphocytes to the primary B cell follicle. B lymphocytes need a ... The lymph carries chemokines (molecular chemical messengers) and antigens to the lymph node. At the lymph node, the lymph ...
Victoria A. Harden
ISBN 978-1-58603-471-9. D'Souza, M. Patricia; Harden, Victoria (December 1996). "Chemokines and HIV-1 Second Receptors". Nature ...
Airway basal cell
... and chemokine CCL20. The actual recognition of microbial patterns takes place in the secretory and ciliated cells via Toll-like ...
In this chronic signaling pathway, p38 is activated as a result of IL-1β signaling, and there is a presence of chemokines that ... White FA, Jung H, Miller RJ (December 2007). "Chemokines and the pathophysiology of neuropathic pain". Proceedings of the ...
Various chemokines and receptors are involved in the homing of hematopoietic stem cells. Bone Marrow Lymph nodes Skin Cyster, ... "Chemokine receptors that mediate B cell homing to secondary lymphoid tissues are highly expressed in B cell chronic lymphocytic ... JG; Ngo, VN; Ekland, EH; Gunn, MD; Sedgwick, JD; Ansel, KM (1999). "Chemokines and B-cell homing to follicles". Current Topics ...
Witt, D. P.; Lander, A. D. (1994). "Differential binding of chemokines to glycosaminoglycan subpopulations". Current Biology. 4 ...
The eotaxins are a CC chemokine subfamily of eosinophil chemotactic proteins. In humans, there are three family members: CCL11 ... "The MCP/eotaxin subfamily of CC chemokines". Cytokine Growth Factor Rev. 10 (1): 61-86. doi:10.1016/s1359-6101(99)00005-2. PMID ...
... a meta-analysis of chemokines in depression, a meta-analysis of pharmacogenetic-based decision support tools for depression, a ... "A meta-analysis of chemokines in major depression". Progress in Neuro-psychopharmacology & Biological Psychiatry. 68: 1-8. doi: ...
Alcami, A (January 2003). "Viral mimicry of cytokines, chemokines and their receptors". Nature Reviews. Immunology. 3 (1): 36- ...
Lymphocyte function-associated antigen 1
Chemokines also stimulate an I-like domain on the beta subunit, which causes the MIDAS site on the beta subunit to bind to ... Chemokines stimulate the activation process of LFA-1. The activation process begins with the activation of Rap1, an ...
RNAi nanoparticles to target cancer
Chemokines are used in the communication between cells. In the case of ovarian clear cell carcinoma, gro-α and its receptor ...
Was zur Hölle sind Chemokine? (German). Interview with Robert Gallo, Der Spiegel no. 50, 1995. Grassi, F; Meneveri, R; Gullberg ... "In vivo evolution of HIV-1 co-receptor usage and sensitivity to chemokine-mediated suppression". Nature Medicine. 3 (11): 1259- ...
Macrophage inflammatory protein
There are two chemokines in the MIP-3 group. MIP-3α (CCL20) and MIP-3β (CCL19). MIP-3α is binding to receptor CCR6. CCL20 is ... Chemokine Czaplewski LG, McKeating J, Craven CJ, Higgins LD, Appay V, Brown A, et al. (June 1999). "Identification of amino ... MIP-2 belongs to the CXC chemokine family, is named CXCL2 and acts through binding of CXCR1 and CXCR2. It is produced mainly by ... These chemokines affect monocytes, T lymphocytes, dendritic cells, NK cells and platelets. They, too, activate human ...
For instance, inhibiting chemokine receptor type 2 (CCR2), colony-stimulating factor-1 receptor (CSF-1R) and granulocyte ... In a preclinical PDA mouse model, FAP+ CAFs produced the chemokine CXCL12, which is bound by PDA cancer cells. Because FAP+ ... One such mechanism is the release of cell-type specific chemokines. Another is the TME's capacity to posttranslationally alter ... Collagenase added to reduce matrix rigidity or chemokine CCL5 experimentally produced by tumor cells increased movement into ...
High endothelial venules
The chemokine CCL21 then binds to its receptor CCR7 expressed on the T cell. This binding induces a conformational change in ... They also secrete the chemokine CCL21. Naïve T cells express CCR7 receptor and adhesion molecules L-selectin and LFA-1. As ...
... a strategy to regulate inflammatory cytokines and chemokines". Trends in Immunology. 22 (6): 328-336. doi:10.1016/S1471-4906(01 ...
Role of microglia in disease
Chemokines are divided into four main subfamilies: C, CC, CXC, and CX3C. Microglial cells are sources of some chemokines and ... The chemokines CCL5/RANTES, CCL3/MIP-1α, CCL4/MIP-1β, all of which bind to CCR5, are inhibitory to HIV-1 replication in ... The chemokine receptor, CX3CR1, is expressed by microglia in the central nervous system. Fractalkine (CX3CL1) is the exclusive ... Chemokines are cytokines that stimulate directional migration of inflammatory cells in vitro and in vivo. ...
His work on the antiviral chemokine, RANTES established that the amino-terminal domain of the chemokine was not essential for ... Owais, M.; Arya, S. K. (September 1999). "Antiviral chemokines: intracellular life of recombinant C-C chemokine RANTES". ...
... chemokines ligand 2, CCL5, CXC-chemokine ligand 1 (CXCL1); as well as macrophage retention factors. Macrophages within the ... The maintenance of foam cells and the subsequent progression of plaque build-up is caused by the secretion of chemokines and ... Foam cells secrete pro-inflammatory cytokines such as interleukins: IL-1, IL-6; tumour necrosis factor (TNF); chemokines: ... chemokines, reactive oxygen species (ROS) and growth factors that stimulate modified lipoprotein uptake and vascular smooth ...
Once activated, the T cells release pro-inflammatory cytokines and chemokines. The interactions with TCRs are characterized by ...
Geoffrey L. Smith
WO/1998/037217) A Soluble Vaccinia Virus Protein that Binds Chemokines". World Intellectual Property Organization. 27 August ...
Chemokine (C-X-C motif) ligand 17 (CXCL17) is a small cytokine belonging to the CXC chemokine family that has been identified ... It is also known as VEGF co-regulated chemokine 1 (VCC-1) and dendritic cell- and monocyte-attracting chemokine-like protein ( ... CXCL17 is an orphan chemokine with no known receptor. The receptor for CXCL17 is likely to be a G protein-coupled receptor ( ... DMC). This chemokine is constitutively expressed in the lung. The gene for human CXCL17 is located on chromosome 19. ...
Chemokine (C-C motif) ligand 14 (CCL14) is a small cytokine belonging to the CC chemokine family. It is also commonly known as ... This chemokine is expressed in various tissues including spleen, bone marrow, liver, muscle, and gut. CCL14 activates monocytes ... Human CCL14 is located on chromosome 17 within a cluster of other chemokines belonging to the CC family. Schulz-Knappe et al., ... Naruseet al., A YAC contig of the human CC chemokine genes clustered on chromosome 17q11.2. Genomics, 1996, 34: 236-240. v t e ...
Mouse models of breast cancer metastasis
"Involvement of chemokine receptors in breast cancer metastasis". Nature. 410 (6824): 50-6. doi:10.1038/35065016. PMID 11242036 ...
Chemokine (C-C motif) ligand 13 (CCL13) is a small cytokine belonging to the CC chemokine family. Its gene is located on human ... Activity of this chemokine has been implicated in allergic reactions such as asthma. CCL13 can be induced by the inflammatory ... Garcia-Zepeda EA, et al.. Human monocyte chemoattractant protein (MCP)-4 is a novel CC chemokine with activities on monocytes, ... 1996;157:5613-5626 Naruse et al., A YAC contig of the human CC chemokine genes clustered on chromosome 17q11.2. Genomics. 1996 ...
Inglese, J.; Samama, P.; Patel, S.; Burbaum, J.; Stroke, I. L.; Appell, K. C. (1998-02-24). "Chemokine receptor-ligand ...
"Dengue Virus Selectively Induces Human Mast Cell Chemokine Production". Journal of Virology. 76 (16): 8408-8419. doi:10.1128/ ...
Sandwalk: One Protein - Two Folds
Team : Dendritic cells, B lymphocytes and cytokines in their microenvironment during viral infections and cancer - Institut...
Chemokine receptor - Wikipedia
Chemokine receptors are divided into different families, CXC chemokine receptors, CC chemokine receptors, CX3C chemokine ... CXC chemokine receptors (six members) CC chemokine receptors (ten/eleven members) C chemokine receptors (one member, XCR1) CX3C ... Two types of chemokines that bind to these receptors are inflammatory chemokines and homeostatic chemokines. Inflammatory ... Chemokine receptors are redundant in their function as more than one chemokine is able to bind to a single receptor. ...
Broad-spectrum chemokine inhibitor - Wikipedia
A broad-spectrum chemokine inhibitor or BSCI (also termed chemotide or somatotaxin ) is a type of experimental anti- ... inflammatory drug that inhibits the action of the pro-inflammatory proteins chemokines. The observation that the chemokine CCL2 ... Grainger DJ, Reckless J, Fox DJ (2005). "Broad Spectrum Chemokine Inhibitors Related to NR58-3.14.3". Mini-Rev. Med. Chem. 5 (9 ... Kayisli UA, Berkkanoglu M, Zhang L, Kizilay G, Arici A (2007). "The Broad-Spectrum Chemokine Inhibitor NR58-3.14.3 Suppresses ...
Chemokines | SpringerLink
Chemokines constitute a large family of structurally similar cytokines that contain a signature of conserved cysteine residues ... Unraveling Chemokine and Chemokine Receptor Expression Patterns Using Genetically Engineered Mice Simon Yona, Ki-Wook Kim, ... Using Fluorescent Chemokine Uptake to Detect Chemokine Receptors by Fluorescent Activated Cell Sorting ... Initially, chemoattraction was the key function linked to chemokines/chemokine receptors; however, in recent years, it has ...
Chemokines News, Research
Lymphocyte responses to chemokines. - PubMed - NCBI
The involvement of chemokine receptors in HIV infection is briefly mentioned, while other interesting areas in chemokine ... a process that is closely linked to chemokine receptor expression. As an exception, one chemokine, SDF-1, is a highly effective ... Lymphocyte responses to chemokines.. Moser B1, Loetscher M, Piali L, Loetscher P. ... Of particular interest are the chemokines IP10 and Mig which bind to a receptor with selective expression in activated T ...
Lymphocyte traffic control by chemokines. - PubMed - NCBI
... are finely tuned by changing sets of chemokines that are selective for developmentally regulated chemokine receptors. Thus, the ... These chemokines do not act on the bulk of resting T cells that are in circulation. The identification of a new group of ... Lymphocyte traffic control by chemokines.. Moser B1, Loetscher P.. Author information. 1. Theodor-Kocher Institute, University ... Here, we summarize the current view of chemokine-mediated lymphocyte traffic and focus on the molecular mechanisms by which T ...
The Chemokine Receptors | SpringerLink
In Chemokine Receptors, leading investigators attempt to distill the large ... there are over twenty different chemokine receptors, binding nearly fifty unique ligands that have been identified. ... to physiological and pathological roles of chemokines. Chemokines exhibit a tremendous functional diversity and participate in ... In Chemokine Receptors, leading investigators attempt to distill the large body of literature ranging from basic molecular and ...
Chemokines in vasculitis
... Front Biosci (Elite Ed). 2009 Jun 1;1:26-35. ... We discuss the evidence base for the role of the chemokine network in the renal disease of small vessel vasculitis and extend ... of leukocyte infiltration and involvement in this setting are in part dependent on the combinatorial expression of chemokines ...
Chemokines: a sophisticated cell-guidance network]
C-C chemokine receptor type 6 - Wikipedia
chemokine receptor activity. • receptor activity. • protein binding. • C-C chemokine receptor activity. • C-C chemokine binding ... Chemokine receptor 6 also known as CCR6 is a CC chemokine receptor protein which in humans is encoded by the CCR6 gene. CCR6 ... "Entrez Gene: CCR6 chemokine (C-C motif) receptor 6".. *^ Wang K, Zhang H, Kugathasan S, Annese V, Bradfield JP, Russell RK, ... "Chemokine Receptors: CCR6". IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical ...
Chemokines, Chemokine Receptors and Disease, Volume 55 - 1st Edition
Chemokine Receptors and Disease, Volume 55 - 1st Edition. Print Book & E-Book. ISBN 9780121533557, 9780080917207 ... Chemokines and Chemokine Receptors in Pulmonary Disease. Chemokines, Chemokine Receptors and Atherosclerosis. CXC Chemokines in ... Chemokines and Chemokine Receptors in Infectious Disease. New Therapies Targeting Chemokine Receptors: Can Changing the Way ... Chemokines, Chemokine Receptors and Disease, Volume 55 1st Edition. 0.0 star rating Write a review ...
Chemokines Profiling of Patients with Preterm Birth
... which allows the simultaneous determination of 40 chemokines per sample. The sets consist of the following chemokines: 6Ckine/ ... i,Results.,/i, We showed possible implication of 4 chemokines, that is, HCC-4, I-TAC, MIP-3,i,α,/i,, and TARC in women with ... i,Conclusion.,/i, On the basis of our findings, it seems that the chemokines may play role in the pathogenesis of preterm labor ... The aim of the study was to determine the concentration of selected chemokines in sera of patients with premature birth without ...
Actions of Thyroid Hormone Analogues on Chemokines
5. C Chemokines. The C chemokines are XCL1 (lymphotactin-α) and XCL2 (lymphotactin-β). The single receptor to which these ... 3. CC Chemokines and Thyroid Hormone Analogues. 3.1. CCL20. Among the homeostatic chemokines in the CNS that contribute to ... 4. CXC Chemokines and Thyroid Hormone Analogues. 4.1. CXCL2. A product of microglia, chemokine CXCL2 has important chemotactic ... 7. Chemokine Receptor Genes. The chemokine receptor genes whose transcription is subject to modulation by thyroid hormone ...
JCI - p53, chemokines, and squamous cell carcinoma
A subset of CC chemokines, acting through CC chemokine receptors (CCRs) 1 to 5, is instrumental in shaping inflammatory ... These data demonstrate the importance of proinflammatory CC chemokines in de novo tumorigenesis and reveal chemokine ... The chemokine receptor D6 limits the inflammatory response in vivo. Nat. Immunol. 6:403-411. View this article via: CrossRef ... p53, chemokines, and squamous cell carcinoma David M. Owens Departments of Dermatology and Pathology, Columbia University ...
Cytokines & Chemokines - QIAGEN
Cytokines & Chemokines RT2 Profiler PCR Array The Rat Cytokines & Chemokines RT² Profiler PCR Array profiles the expression of ... Chemokines and Receptors RT2 Profiler PCR Array The Rat Chemokines & Receptors RT² Profiler PCR Array profiles the expression ... Chemokines and Receptors RT2 Profiler PCR Array The Human Chemokines & Receptors RT² Profiler PCR Array profiles the expression ... Chemokines and Receptors RT2 Profiler PCR Array The Mouse Chemokines & Receptors RT² Profiler PCR Array profiles the expression ...
Macrophage-specific chemokines in... preview & related info | Mendeley
Macrophage-specific chemokines induced via innate immunity by amino acid copolymers and their role in eae. *Kovalchin J ... Strikingly, these chemokines are also secreted into serum of MHC Class II -/- mice, indicating that an innate immune receptor ... Macrophage-specific chemokines induced via innate immunity by amino acid copolymers and their role in eae. PLoS ONE, 6(12). ...
Chemokines as mediators of neovasculariza... & related info | Mendeley
Chemokines were originally described as cytokines that mediate leukocyte recruitment to sites of inflammation. Members of a ... subgroup of chemokines, the CXC family, also play a critical role in both... ... Chemokines were originally described as cytokines that mediate leukocyte recruitment to sites of inflammation. Members of a ... subgroup of chemokines, the CXC family, also play a critical role in both physiologic and pathologic angiogenesis, including in ...
Biology | Free Full-Text | Teleost Chemokines and Their Receptors
The first teleost chemokine gene was reported in rainbow trout in 1998. Since then, numerous chemokine genes have been ... Subsequently, it has only been possible to establish clear homologies with mammalian chemokines in the case of some chemokines ... Despite this, functional studies have only been undertaken for a few of these chemokine genes. In this review, we describe the ... Finally, we summarise what is known about the chemokine receptors in teleosts and provide some analysis using recently ...
Chemokines in the systemic organization of immunity: Ingenta Connect
The chemokine CXCL12 and its receptor CXCR4 play a central role in the migration of hematopoietic stem cells, and several ... Chemokines and their receptors (along with surface-adhesion molecules) are central to these migrations, targeting developing ... Here, we summarize the role of chemokines and their receptors in the spatial organization of the immune system and consider the ... while effector and memory lymphocytes express bewildering patterns of adhesion molecules and chemokine receptors that allow ...
Official news concerning Chemokine receptor | Presseportal
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Chemokine - Wikipedia
C chemokinesEdit. The third group of chemokines is known as the C chemokines (or γ chemokines), and is unlike all other ... C4-CC chemokines), but a small number of CC chemokines possess six cysteines (C6-CC chemokines). C6-CC chemokines include CCL1 ... CC chemokinesEdit. The CC chemokine (or β-chemokine) proteins have two adjacent cysteines (amino acids), near their amino ... CXC chemokinesEdit. The two N-terminal cysteines of CXC chemokines (or α-chemokines) are separated by one amino acid, ...
Vaccines | Free Full-Text | Chemokines as Cancer Vaccine Adjuvants | HTML
This review will focus on recent murine and human studies that use chemokines as therapeutic anti-cancer vaccine adjuvants. ... Recent discoveries in the many biological roles of chemokines in tumor immunology allow their exploitation in enhancing ... This knowledge, combined with advances in gene therapy and virology, allows researchers to employ chemokines as potential ... the chemokine-chemokine receptor system plays paradoxical roles. On one hand, the chemokine network is used by tumors to evade ...
Patente US5955492 - Carboxylic acid indole inhibitors of chemokines - Google Patentes
... to novel carboxylic acid indole compounds and compositions for use in the treatment of disease states mediated by the chemokine ... Groα, GROβ, GROγ and NAP-2 also belong to the chemokine α family. Like IL-8 these chemokines have also been referred to by ... 9. A method of treating a chemokine mediated disease state, wherein the chemokine binds to an IL-8 α or β receptor in a mammal ... This invention provides for a method of treating a chemokine mediated disease, wherein the chemokine is one which binds to an ...
Literature: CXC chemokine receptor 3 (IPR004070) | InterPro | EMBL-EBI
Recent advances in chemokines and chemokine receptors.. Zlotnik A, Morales J, Hedrick JA.. Crit. Rev. Immunol. 19 1-47 1999 ... Chemokine receptors and T cell chemotaxis.. Mackay CR.. J. Exp. Med. 184 799-802 1996 PMID: 9064339 Related citations ... Chemokine receptors.. Horuk R.. Cytokine Growth Factor Rev. 12 313-35 2001 PMID: 11544102 Related citations ... Chemokines and their receptors in lymphocyte traffic and HIV infection.. Loetscher P, Moser B, Baggiolini M.. Adv. Immunol. 74 ...
Controlling chemokine secretion | Science Signaling
chemokine receptor Protein Superfamily Detail
Chemokine receptor - Wikipedia
Chemokine receptors are divided into different families, CXC chemokine receptors, CC chemokine receptors, CX3C chemokine ... Two types of chemokines that bind to these receptors are inflammatory chemokines and homeostatic chemokines. Inflammatory ... CX3C chemokine receptors (one member, CX3CR1). Fifty chemokines have been discovered so far, and most bind onto CXC and CC ... The N-terminal end of a chemokine receptor binds to chemokine(s) and is important for ligand specificity. G-proteins couple to ...
Cytokines and Chemokines in Erythema Migrans - Full Text View - ClinicalTrials.gov
Cytokines and Chemokines in Erythema Migrans. The safety and scientific validity of this study is the responsibility of the ... The inflammatory immune profiles will be assessed using Luminex to measure the expression of cytokines and chemokines ...
Mono-and dual chemokine/cytokine constructs - Mack, Matthias
... whereby said chemokine construct has the structural domain fo ... construct comprising a scFV anti-CD4 and a RANTES chemokine or ... The chemokine construct of claim 25, wherein said chemokine is SDF-1. 27. The chemokine construct of claim 26, wherein said ... The chemokine construct of claim 1, wherein said chemokine construct further comprises a tag. 23. The chemokine construct of ... The chemokine construct of claim 1, wherein said chemokine construct further comprises an additional cytokine or chemokine ...
Cytokines & Chemokines: Novus Biologicals
Chemokines represents the largest family of cytokines and based on their biological function, chemokines are divided into two ... More than 40 chemokines exhibiting various pathophysiological properties have been characterized so far to be linked to ... Cytokines are broadly classified into categories such as chemokines, interleukins (IL), colony-stimulating factors (CSF), tumor ... Inflammatory chemokines which are produced during infections or as a result of an inflammatory stimulus and facilitate an ...
HumanCytokines and chemokinesProteinsLeukocyteInflammatory chemokinesMigrationChemotactic cytokinesMacrophage inflammCXCL10Cytokine and chemokineCCR5LigandsTransmembraneCXCR4ImmuneMediatorsLocalizing leukocytesAdhesion moleculesAngiogenesisGeneProtein-coupled chemokine receptorsCXCR3AtypicalConcentrations of chemokinesLymphocyteChemoattractantSubfamiliesAtherosclerosisBindHuman chemokinesSpecific chemokinesHomeostatic chemokinesCCL2DendriticBroad-spectrum chemokine inhibitorInhibitorsBiologyAmino acidsCysteine motifRolesReceptor InteractionsRANTESMonocyteModulateRole of the chemokineResponsesDisulfideNomenclatureDistinctInfectionReceptors are expressedCX3CR1Classification
- It has demonstrated cross-presentation ability of human plasmacytoid DC (pDC) and conventional DC1 bearing the chemokine receptor XCR1. (institutcochin.fr)
Cytokines and chemokines18
- The inflammatory immune profiles will be assessed using Luminex to measure the expression of cytokines and chemokines representative of innate and adaptive TH1, TH2, TH17, and B cell responses in serum and if available, skin, of patients during active infection and after treatment. (clinicaltrials.gov)
- The role of cytokines and chemokines in anti-viral defense has been demonstrated, but their relative contribution to protective anti-viral responses in vivo is not fully understood. (nature.com)
- Copenhagen, Denmark, Saturday 13 June 2009: Up-regulation of certain cytokines and chemokines (signaling molecules involved in the functioning of the immune system) can predict the development of rheumatoid arthritis (RA) three years before the onset of symptoms, according to the results of a new study presented today at EULAR 2009, the Annual Congress of the European League Against Rheumatism in Copenhagen, Denmark. (eurekalert.org)
- Cytokines and chemokines are small signalling molecules which are integral to the immune system, as they mediate and regulate immunity, inflammation, and the development of blood cells (haematopoiesis). (eurekalert.org)
- Once at the site of injury, immune cells can react by releasing additional cytokines and chemokines, bringing more cells into the fold. (biolegend.com)
- In the current study, we characterized mid-gestational serum profiles of 22 cytokines and chemokines in mothers of children with ASD ( N =415), developmental delay (DD) without ASD ( N =188), and general population (GP) controls ( N =428) using a bead-based multiplex technology. (nature.com)
- Levels of cytokines and chemokines were compared between groups using multivariate logistic regression analyses, adjusting for maternal age, ethnicity, birth country and weight, as well as infant gender, birth year and birth month. (nature.com)
- Mothers of children with ASD+ID had significantly elevated mid-gestational levels of numerous cytokines and chemokines, such as granulocyte macrophage colony-stimulating factor, interferon-γ, interleukin-1α (IL-1α) and IL-6, compared with mothers of children with either ASD-noID, those with DD, or GP controls. (nature.com)
- Therefore, many skin cancer subtypes remain with few treatment options and there is much still to be learned regarding the identification of biomarkers to predict immune checkpoint responses and the contribution of soluble mediators such as cytokines and chemokines to the tumour microenvironment and the outcome of tumour growth. (frontiersin.org)
- These events are mediated via the generation of adhesion molecules, cytokines, and chemokines. (ahajournals.org)
- Since immune modulation has been reported for similar extracts, cytokine antibody arrays were used to investigate the changes in the pro-inflammatory cytokines and chemokines released from a cultured line of human bronchial epithelial cells exposed to Rhinovirus 14 and two different chemically characterized Echinacea extracts. (greenmedinfo.com)
- Cytokines and chemokines are the primary form of signaling between a wide variety of cells. (prosci-inc.com)
- Using antibodies to study cytokines and chemokines has given us a far greater understanding into signaling pathways. (prosci-inc.com)
- The aim of this study was to gain insight into the cytokines and chemokines that are produced by human pancreatic islets upon infection with CVBs. (diabetesjournals.org)
- Analysis of secreted cytokines and chemokines by Luminex technology confirmed production and secretion of proinflammatory cytokines (e.g., interleukin [IL]-6 and tumor necrosis factor-α) as well as various chemotactic proteins, such as IFN-γ-induced protein 10, macrophage inflammatory protein (MIP)-1α, MIP-1β, and IL-8. (diabetesjournals.org)
- Cytokines and chemokines that are induced upon HEV-B infection of pancreatic islets, and the resulting inflammation, may be critical during the pathogenesis of type 1 diabetes. (diabetesjournals.org)
- In this study, we set out to investigate production and secretion of a broad range of cytokines and chemokines to gain further insight into the inflammatory processes that are initiated in human islets of Langerhans upon HEV-B infection. (diabetesjournals.org)
- We measured 34 immune mediators, cytokines and chemokines in peripheral blood every 4-7 days over one month per patient using a bio-plex multiplex immunoassay. (ssrn.com)
- Intracellular signaling by chemokine receptors is dependent on neighbouring G-proteins. (wikipedia.org)
- A broad-spectrum chemokine inhibitor or BSCI (also termed chemotide or somatotaxin ) is a type of experimental anti-inflammatory drug that inhibits the action of the pro-inflammatory proteins chemokines. (wikipedia.org)
- Chemokines are a family of small cytokines, or proteins secreted by cells. (news-medical.net)
- Proteins are classified as chemokines according to shared structural characteristics such as small size (they are all approximately 8-10 kilodaltons in size), and the presence of four cysteine residues in conserved locations that are key to forming their 3-dimensional shape. (news-medical.net)
- Chemokines are small proteins that are important in normal immune responses. (elsevier.com)
- The Human Cytokines & Chemokines RT² Profiler PCR Array profiles the expression of 84 key secreted proteins central to the immune response and other functions. (qiagen.com)
- Chemokines (Greek -kinos , movement) are a family of small cytokines , or signaling proteins secreted by cells . (wikipedia.org)
- Cytokine proteins are classified as chemokines according to behavior and structural characteristics. (wikipedia.org)
- All of these proteins exert their biological effects by interacting with G protein -linked transmembrane receptors called chemokine receptors , that are selectively found on the surfaces of their target cells. (wikipedia.org)
- Among these signals, small molecular weight chemoattractant proteins known as chemokines are potentially important contributors as they participate in both directing leukocyte migration and function. (frontiersin.org)
- Chemokines belong to a family of pro-inflammatory activation-inducible cytokines previously referred to as members of SIS family of cytokines, SIG family of cytokines, SCY family of cytokines, Platelet factor-4 superfamily or Intercrines These proteins are mainly chemotactic for different cell types. (prospecbio.com)
- The first 2 cysteine residues are adjacent and, therefore, these proteins are called also CC-Chemokines [Cysteine-Cysteine-Chemokines]. (prospecbio.com)
- Chemokines are a class of small molecular proteins with similar structures, functions and chemotactic properties, and their molecular weights are ~10 kDa, and chemokines represent the largest member of the cytokine family ( 9 ). (spandidos-publications.com)
- The invasion of such matter generates an onslaught of inflammatory responses, recruiting several immune cells and proteins, including a special class of small cytokines called chemokines. (peprotech.com)
- Leukocyte trafficking, an event which plays a central role in fundamental functions of multicellular organisms, including tissue remodelling, defense, and pathology, is orchestrated by a superfamily of small proteins termed chemokines, which are essential players in immune and inflammatory reactions as well as in infections ( 6 - 8 ). (rupress.org)
- Glycoprotein G isoforms from some alphaherpesviruses function as broad-spectrum chemokine binding proteins. (semanticscholar.org)
- Secreted poxvirus chemokine binding proteins. (semanticscholar.org)
- Chemokines are small secreted proteins that function in leukocyte trafficking, recruitment, and activation and have a role in many pathophysiological processes such as infectious and autoimmune diseases, inflammation, cancer, and vascular disease. (rndsystems.com)
- Chemokines comprise a family of secreted proteins that activate G protein-coupled chemokine receptors and thereby control the migration of leukocytes during inflammation or immune surveillance. (jimmunol.org)
- Although both glycosylation and proteolytic processing of the C- and/or N-terminus of chemokines has been reported, mainly proteolytic processing of the N-terminus appears to affect the receptor specificity, chemotactic property and signalling potency of these low-molecular-mass proteins. (biochemsoctrans.org)
- In this review, we summarize roles of the chemokines, a family of small secreted proteins that selectively recruit monocytes, neutrophils, and lymphocytes to sites of vascular injury, inflammation, and developing atherosclerosis. (ahajournals.org)
- Chemokines ( chemo tactic cyto kines ) are small heparin-binding proteins that direct the migration of circulating leukocytes to sites of inflammation or injury. (ahajournals.org)
- The kinetics of leukocyte infiltration and involvement in this setting are in part dependent on the combinatorial expression of chemokines and their receptors. (nih.gov)
- Chemokines were originally described as cytokines that mediate leukocyte recruitment to sites of inflammation. (mendeley.com)
- Predominantly, chemokine receptors are expressed by leukocytes, and the specific interactions of chemokines with their cognate receptors are major determinants of the trafficking and localization of leukocyte subsets within tissue compartments. (pnas.org)
- Chemokines Regulate Leukocyte Migration. (rainbow.coop)
- Chemokines--A New Family of Cytokines Regulating Leukocyte Migration. (rainbow.coop)
- Chemokines are small molecules with pro-migratory properties generated during inflammatory reactions and are actively involved during the leukocyte extravasation process. (regonline.co.uk)
- This model allows direct observations of leukocyte/vessel wall interactions and has thus enabled us to study the mechanisms of chemokine-induced leukocyte migration in real-time in vivo. (regonline.co.uk)
- Chemokines direct tissue invasion by specific leukocyte populations. (jci.org)
- Homeostatic chemokines are chemokines that are responsible for basal leukocyte migration. (biology-online.org)
- Fourth, following local production, chemokines induce leukocyte cytoskeletal changes, for example, actin polymerization, optimizing cell migration to areas of microbial infection or degeneration. (asmscience.org)
- There are six chemokine CXC receptors, CXCR1 to 6, with each one having a distinct chemokine and leukocyte specificity. (tocris.com)
- This view has changed dramatically with the discovery that peripheral blood T cells need to be activated before they can migrate in response to inflammatory chemokines. (nih.gov)
- Inflammatory chemokines function mainly as chemoattractants for leukocytes , recruiting monocytes , neutrophils and other effector cells from the blood to sites of infection or tissue damage. (wikipedia.org)
- Certain inflammatory chemokines activate cells to initiate an immune response or promote wound healing . (wikipedia.org)
- Some inflammatory chemokines have proven essential in memory T cell generation [ 3 ]. (mdpi.com)
- Chemokines represents the largest family of cytokines and based on their biological function, chemokines are divided into two categories: (i) Homeostatic chemokines which are typically expressed constitutively and are involved in immune surveillance as well as navigation of cells through hematopoiesis (ii) Inflammatory chemokines which are produced during infections or as a result of an inflammatory stimulus and facilitate an immune response by targeting cells of the innate/adaptive immune system. (novusbio.com)
- Inflammatory Chemokines - A Diagnostic Biomarker for Fibromyalgia? (prohealth.com)
- Since FM patients present higher serum concentrations of inflammatory chemokines than HW, the evaluation of these biomarkers could help in the diagnosis of this syndrome. (prohealth.com)
- These chemokines also have a more diverse range of functions compared to inflammatory chemokines. (biolegend.com)
- In the event of infection, injury, or tissue damage, inflammatory chemokines are often released to address the problem. (biolegend.com)
- Many inflammatory chemokines attract a wide variety of cells in both the innate and adaptive arms of immunity. (biolegend.com)
- Conclusion This study highlights important inflammatory chemokines involved in regulating neutrophil migration, which may have potential value as therapeutic targets for the treatment of ARDS. (bmj.com)
- Chemokines and their receptors play a crucial role in cancer metastasis as they are involved in extravasation, migration, micrometastasis, and angiogenesis. (wikipedia.org)
- Of particular interest are the chemokines IP10 and Mig which bind to a receptor with selective expression in activated T lymphocytes and, therefore, may be critical mediators of T lymphocyte migration in T cell-dependent immune-responses. (nih.gov)
- Chemokines are a superfamily of cytokines that appeared about 650 million years ago, at the emergence of vertebrates, and are responsible for regulating cell migration under both inflammatory and physiological conditions. (mdpi.com)
- The chemokine CXCL12 and its receptor CXCR4 play a central role in the migration of hematopoietic stem cells, and several chemokine receptors are transiently expressed during distinct stages of B- and T-cell development. (ingentaconnect.com)
- Some chemokines are considered pro- inflammatory and can be induced during an immune response to recruit cells of the immune system to a site of infection , while others are considered homeostatic and are involved in controlling the migration of cells during normal processes of tissue maintenance or development . (wikipedia.org)
- The major role of chemokines is to act as a chemoattractant to guide the migration of cells. (wikipedia.org)
- Thus, quaternary structure of chemokines and their interaction with GAGs may significantly contribute to the localization of leukocytes beyond migration patterns defined by chemokine receptor interactions. (pnas.org)
- However, chemokines control the direction of cell migration and provide a trigger for cell activation. (pnas.org)
- We therefore hypothesized that chemokines released from sites of neuroinflammation might help to guide the migration of neural progenitors to damaged areas of the brain. (jneurosci.org)
- After binding to the receptors, chemokines primarily serve a role in migration of leukocytes, such as monocytes, eosinophils and dendritic cells (DCs) ( 11 ). (spandidos-publications.com)
- Chemokine Signalling in T Lymphocytes Migration: the Role ofPhosphoinositide 3-kinaseLaura Smith, Adam Webb, and *Stephen G. Ward, Ph.D.University of Bath5. (indigo.ca)
- Chemokine receptor 7 (CCR7) is critically involved in the transition from innate to adaptive immune activation by coordinating the migration to and positioning of antigen-presenting dendritic cells and T cells in secondary lymphoid organs. (ahajournals.org)
- The chemokines, by virtue of their specific cell receptor expression, can selectively mediate the local recruitment/activation of distinct leukocytes/cells, allowing for migration across the endothelium and beyond the vascular compartment. (ahajournals.org)
- Plays an important role in controlling the migration of immune and cancer cells that express chemokine receptors CCR7 and CCR9, by reducing the availability of CCL19, CCL21, and CCL25 through internalization. (uniprot.org)
- In this study, we have used GAG binding-deficient chemokine mutants and cell-based functional (migration) assays to demonstrate that chemokine cooperativity is caused by competitive binding of chemokines to GAGs. (jimmunol.org)
- Third, chemokines (chemotactic cytokines) and chemokine receptors are an important part of the immune response that affects cell migration, activation, and tissue homeostasis. (asmscience.org)
- Transendothelial migration of monocytes into the nervous system is affected by chemokines produced by activated microglia and astrocytes. (asmscience.org)
- Cell surface glycoproteins that bind to chemokines and thus mediate the migration of pro-inflammatory molecules. (curehunter.com)
- Appreciation of the existence of a plasma membrane receptor for thyroid hormone analogues on the extracellular domains of a structural plasma membrane protein, integrin α v β 3 [ 1 - 3 ], has permitted recognition of new control mechanisms for the release of cytokines, including chemotactic cytokines or chemokines [ 4 ]. (hindawi.com)
- All cytokines released by immune cells were called lymphokines/interleukins, whereas chemotactic cytokines were called chemokines. (qiagen.com)
- While a function of chemokines is to regulate lymphocyte trafficking, the view that chemokines act simply as "chemotactic cytokines" has evolved to include the many critical roles they play in regulating innate and adaptive immune responses. (mdpi.com)
- Chemokines belong to a large group of structurally related and secretable, largely basic, chemotactic cytokines, which can be divided into 4 families (CC, CXC, CX 3 C, XC) based on the position of the first 2 cysteine residues. (ahajournals.org)
- 1997). "CCR6, a CC chemokine receptor that interacts with macrophage inflammatory protein 3alpha and is highly expressed in human dendritic cells" . (wikipedia.org)
- The CXCR3 binding chemokine IP-10/CXCL10: structure and receptor interactions. (ebi.ac.uk)
- In this update, we will highlight these recent developments, in particular the identification of components regulating the transcriptional machinery of the proatherogenic chemokine CCL5, distinct roles of its receptors CCR1 and CCR5 in plaque formation and immunobalance, and differential site- and stage-specific effects of T cell-activating chemokines and their receptors, eg, CXCL10 and CXCR3. (ahajournals.org)
- In preclinical ex vivo studies performed using explants of resected metastatic CRC, the combination of IFNα with nonselective or COX2-selective inhibitors of prostaglandin synthesis resulted in elevated production of the effector T cell-attracting chemokines CXCL10 and CCL5. (clinicaltrials.gov)
Cytokine and chemokine3
- QIAGEN provides a broad range of assay technologies for cytokine and chemokine research that enables analysis of gene expression and regulation, epigenetic modification, genotyping, and signal transduction pathway activation. (qiagen.com)
- However, few studies have directly investigated the role of prenatal cytokine and chemokine profiles on neurodevelopmental outcomes in humans. (nature.com)
- Our cytokine and chemokine antibodies are quality controlled and tested in the application such as western blotting, ELISA, IF, IHC, and ICC. (prosci-inc.com)
- The chemokine receptors CXCR3 and CCR5 mark subsets of T cells associated with certain inflammatory reactions. (ebi.ac.uk)
- To dissect the role of these chemokines, additional studies were conducted in CCR5- and CCR2-deficient mice. (cdc.gov)
- Rodent fibroblasts (3T3) that cannot be infected with myxoma virus could be made fully permissive for myxoma virus infection by expression of any one of several human chemokine receptors, including CCR1, CCR5, and CXCR4. (sciencemag.org)
- Furthermore, dorsal root ganglia (DRG) neurons express the chemokine receptors CX3CR1, CXCR4, CCR4, and CCR5, and CXCR4- and CCR4-positive neurons also express substance P and the transient receptor potential ion channel (TRPV1, formerly named VR1) that have been implicated in nociception ( 8 ). (pnas.org)
- Epitope mapping of CCR5 reveals multiple conformational states and distinct but overlapping structures involved in chemokine and coreceptor function. (semanticscholar.org)
- The chemokine receptor CCR5 is the major coreceptor for R5 human immunodeficiency virus type-1 strains. (semanticscholar.org)
- CC chemokine receptor 5 (CCR5) is expressed preferentially by CD4 + T helper 1 (Th1) cells. (diabetesjournals.org)
- Th1 cells express CCR5 and CXC chemokine receptor 3 (CXCR3) following activation, whereas activated T helper 2 (Th2) cells express CCR3, CCR4, and CCR8 ( 2 , 3 ). (diabetesjournals.org)
- Following interaction with their specific chemokine ligands, chemokine receptors trigger a flux in intracellular calcium (Ca2+) ions (calcium signaling). (wikipedia.org)
- Although chemokine receptors share high amino acid identity in their primary sequences, they typically bind a limited number of ligands. (wikipedia.org)
- To date, there are over twenty different chemokine receptors, binding nearly fifty unique ligands that have been identified. (springer.com)
- Recently, we have begun offering a range of chemokine products that cover ligands for a range of chemokine receptors, and incorporate site-specifically labelled biotin or AlexaFluor®647. (regonline.co.uk)
- Classified into subfamilies based on the motifs of their ligands, these receptors tend to interact with the chemokines of their eponymous subfamilies. (peprotech.com)
- Chemokines are produced after transcriptional activation by inflammatory mediators such as cytokines or microbial Toll-like receptor ligands and their effect depends on the expression of chemokine receptors on specific cell types. (biochemsoctrans.org)
- Chemokine receptors are G protein-coupled receptors containing 7 transmembrane domains that are found predominantly on the surface of leukocytes, making it one of the rhodopsin-like receptors. (wikipedia.org)
- Typical structure of a chemokine receptor , with seven transmembrane domains and a characteristic "DRY" motif in the second intracellular domain. (wikipedia.org)
- Gamma & Delta Chemokines are type 1 transmembrane glycoproteins with the chemokine domain resting on top of an extended mucin-like stalk. (prospecbio.com)
- A soluble form of the chemokine moiety can be released from its transmembrane anchor by extracellular cleavage. (prospecbio.com)
- Chemokine receptors belong to the large group of G-protein-coupled seven transmembrane domain receptors that contain 7 hydrophobic alpha-helical segments that transverse the membrane. (prospecbio.com)
- The contribution of the transmembrane chemokines CX 3 CL1 and CXCL16 with their respective receptors CX 3 CR1 and CXCR6 in the recruitment of T cell and monocyte subsets and shear-mediated plaque modulation will be discussed. (ahajournals.org)
- Chemokines receptors are seven transmembrane spanning G protein-coupled receptors that allow cells to migrate towards increasing chemokine gradients. (biolegend.com)
- In order to exert biological effect, chemokines will bind with receptors of the G-protein coupled receptor (GPCR) superfamily, which possess seven conserved transmembrane domains with which chemokines can interact. (peprotech.com)
- Chemokines interact with 7 transmembrane domain G-protein-coupled receptors and, so far, 10 CC (CCR1-10), 6 CXC (CXCR1-6), 1 CX3C (CXCR1), and 1 C (XCR1) receptors have been identified ( 9 ). (rupress.org)
- FK consists of a soluble chemokine domain fused to a mucin-like stalk and a transmembrane domain. (ahajournals.org)
- Thus, unlike other soluble chemokines, it is a type 1 transmembrane protein. (ahajournals.org)
- In the periphery, mature naïve B and T cells utilize the receptors CCR7, CXCR4, and CXCR5 to recirculate through specialized microenvironments within the secondary lymphoid tissues, while effector and memory lymphocytes express bewildering patterns of adhesion molecules and chemokine receptors that allow them to function within microenvironments and non-lymphoid tissues inaccessible to naïve cells. (ingentaconnect.com)
- The G protein-coupled chemokine receptor CXCR4 is specifically implicated in cancer metastasis and HIV-1 infection. (shapeways.com)
- Chemokines in Immune Surveillance of the Intestine. (elsevier.com)
- Many different cell types secrete chemokines, most often to attract immune cells to the site of infection or injury during innate and adaptive immune responses. (qiagen.com)
- Here, we summarize the role of chemokines and their receptors in the spatial organization of the immune system and consider the implications for immune function. (ingentaconnect.com)
- Some chemokines control cells of the immune system during processes of immune surveillance, such as directing lymphocytes to the lymph nodes so they can screen for invasion of pathogens by interacting with antigen-presenting cells residing in these tissues. (wikipedia.org)
- Chemokines are a group of related chemoattractant peptides that are essential regulators of the immune system, both during homeostatic and inflammatory conditions. (mdpi.com)
- On one hand, the chemokine network is used by tumors to evade immune surveillance, resist apoptosis, and metastasize. (mdpi.com)
- On the other hand, the chemokine system also plays a crucial role in the induction of antitumor immune responses and optimal effector function regulation of immune cells [ 1 , 4 , 5 ]. (mdpi.com)
- This tract will discuss the contribution of chemokines to the development of innate and adaptive granuloma formation, as well as describe their relationship to more recently evolved cytokines generated during adaptive immune responses. (frontiersin.org)
- Chemokines comprise a family of about 40 low-molecular-weight cytokines (see , Cytokines) with important roles in the immune system, as well as functions beyond it. (amamanualofstyle.com)
- The chemokine signal is transduced by chemokine receptors (G-protein coupled receptors) expressed on the immune cells. (genome.jp)
- Chemokines usually elicit chemotactic responses from immune cells. (sciencemag.org)
- Chemokines are involved in the inflammatory response, tumor immune response, proliferation, invasion and metastasis via modulation of various signaling pathways. (spandidos-publications.com)
- Chemokines and their receptors were initially thought to allow for an interaction between immune cells and the inflammatory sites ( 11 ). (spandidos-publications.com)
- The C-C-chemokine receptor type 7 (CCR7) has been described to be crucially involved in several fundamental processes shaping the structural and functional organization of the adaptive immune system. (ahajournals.org)
- Critical to maintaining hemostasis through hematopoietic differentiation and immune surveillance, chemokines also help orchestrate both innate and adaptive immune responses. (peprotech.com)
- Chemokine-triggered immune responses often require co-stimulation by primary proinflammatory cytokines, such as IL-1α, IFN-γ and TNF-α. (peprotech.com)
- Here we present a temporal analysis of key immune mediators, cytokine and chemokines in blood of hospitalised COVID-19 patients from serial sampling and follow up over four weeks. (ssrn.com)
- We found that loss of stromal fibromuscular AR led to suppression of PIN lesion development with alleviation of epithelium proliferation and tumour-promoting microenvironments, including extracellular matrix (ECM) remodelling, immune cell infiltration and neovasculature formation due, in part, to the modulation of pro-inflammatory cytokines/chemokines. (wiley.com)
- The involvement of chemokine receptors in HIV infection is briefly mentioned, while other interesting areas in chemokine research, such as hematopoiesis and angiogenesis, are not discussed. (nih.gov)
- Chemokines and Angiogenesis*Michael P. Keane, M.D., John A. Belperio, M.D., and Robert M.Strieter, M.D.University of California, Los Angeles and University of Virginia16. (indigo.ca)
- Chemokine receptor 6 also known as CCR6 is a CC chemokine receptor protein which in humans is encoded by the CCR6 gene . (wikipedia.org)
- We propose that actions of thyroid hormone and hormone analogues on chemokine gene expression contribute to regulation of inflammatory processes in brain and of brain blood vessel formation and maintenance. (hindawi.com)
- The first teleost chemokine gene was reported in rainbow trout in 1998. (mdpi.com)
- Since then, numerous chemokine genes have been identified in diverse fish species evidencing the great differences that exist among fish and mammalian chemokines, and within the different fish species, as a consequence of extensive intrachromosomal gene duplications and different infectious experiences. (mdpi.com)
- This knowledge, combined with advances in gene therapy and virology, allows researchers to employ chemokines as potential vaccine adjuvants. (mdpi.com)
- Chemokines share common gene & tertiary structure. (prospecbio.com)
- Examples of viral chemokine receptor homologs are ECRF-3, EBI-1 (EBV induced gene-1) and US28. (prospecbio.com)
- A gene on chromosome 5q31 that encodes a CXC-type chemokine that is a potent chemoattractant for neutrophils, and weaker one for dendritic cells. (thefreedictionary.com)
- Lymphocyte-specific chemokine receptor CXCR3: regulation, chemokine binding and gene localization. (semanticscholar.org)
- The product of the Chemokine-like factor gene is a cytokine. (novusbio.com)
- This gene is one of several chemokine-like factor genes located in a cluster on chromosome 16. (novusbio.com)
Protein-coupled chemokine receptors1
- Requirement of the chemokine receptor CXCR3 for acute allograft rejection. (ebi.ac.uk)
- Regulation of pulmonary fibrosis by chemokine receptor CXCR3. (ebi.ac.uk)
- Chemokine receptor CXCR3 mediates T cell recruitment and tissue injury in nephrotoxic nephritis in mice. (ebi.ac.uk)
- Delayed and deficient dermal maturation in mice lacking the CXCR3 ELR-negative CXC chemokine receptor. (ebi.ac.uk)
- CXCR3 chemokine receptor distribution in normal and inflamed tissues: expression on activated lymphocytes, endothelial cells, and dendritic cells. (ebi.ac.uk)
Concentrations of chemokines2
- This interaction is thought to facilitate the retention of chemokines on cell surfaces and enable localized high concentrations of chemokines to form, even in the presence of shear forces caused by blood flow in capillary beds. (pnas.org)
- We hypothesized that serum concentrations of chemokines 1) would be lower in preterm than term neonates, and 2) would be lower in preterm and term neonates than adults. (rti.org)
- Lymphocyte responses to chemokines. (nih.gov)
- This review emphasizes the new developments in the field of lymphocyte responses to chemokines. (nih.gov)
- Lymphocyte traffic control by chemokines. (nih.gov)
- Here, we summarize the current view of chemokine-mediated lymphocyte traffic and focus on the molecular mechanisms by which T cell responses to chemokines are modulated. (nih.gov)
- Differential expression of three T lymphocyte-activating CXC chemokines by human atheroma-associated cells. (ebi.ac.uk)
- Chemokines and their receptors in lymphocyte traffic and HIV infection. (ebi.ac.uk)
- Chemokine Receptors and Lymphocyte TraffickingMichael N. Hedrick, Ph.D. and *Joshua M. Farber, M.D.National Institute of Allergy and Infectious Disease/NationalInstitutes of Health8. (indigo.ca)
- As an exception, one chemokine, SDF-1, is a highly effective chemoattractant for non-activated T lymphocytes and progenitor B cells. (nih.gov)
- Serum concentrations of thymus and activation-regulated chemokine (TARC)/(CCL17), monokine induced by gamma-interferon (MIG)/(CXCL9), macrophage-derived chemokine (MDC)/(CCL22), interferon-inducible T-cell alpha chemoattractant (I-TAC)/(CXCL11), eotaxin (CCL11), pulmonary and activation-regulated chemokine (PARC)/(CCL18) and hemofiltrate CC-chemokine-4 (HCC-4)/(CCL16) were determined by enzyme-linked immunosorbent assay and compared between the FM and HW groups. (prohealth.com)
- The defined subgroups of chemokines on the basis of structural and functional properties illustrates the importance of chemoattractant diversity in the regulation of the movement of leukocytes through the body. (prospecbio.com)
- Chemokines are small chemoattractant peptides that provide directional cues for the cell trafficking and thus are vital for protective host response. (genome.jp)
- Here, we review the role of monocyte chemoattractant protein 1 (MCP-1) and related chemokines in regulating the recruitment of monocyte/macrophages to the vessel wall and discuss how these chemokines contribute to the pathophysiology of vascular disease, with an emphasis on atherosclerosis. (ahajournals.org)
- Chemokine receptors are divided into different families, CXC chemokine receptors, CC chemokine receptors, CX3C chemokine receptors and XC chemokine receptors that correspond to the 4 distinct subfamilies of chemokines they bind. (wikipedia.org)
- Chemokines have been classified into four main subfamilies: CXC, CC, CX3C and XC. (wikipedia.org)
- 2 different subfamilies of chemokines are distinguished according to their chromosomal location. (prospecbio.com)
- Classified into subfamilies by the structural conservation of both cysteine residues and disulfide bonds, chemokine nomenclature reflects several cysteine-grouping motifs and arrangements. (peprotech.com)
- Chemokines, Chemokine Receptors and Atherosclerosis. (elsevier.com)
- Since the role of chemokines in atherosclerotic vascular disease has been reviewed in this journal, significant progress has been accomplished in defining the regulation of chemokine expression and function in atherosclerosis. (ahajournals.org)
- The considerable leap in insight over recent years leads us to anticipate further advances in comprehending the role of chemokines in atherosclerosis, allowing targeted interventions for its prevention and therapy. (ahajournals.org)
- Chemokine receptors are redundant in their function as more than one chemokine is able to bind to a single receptor. (wikipedia.org)
- Many chemokines bind several receptors and multiple chemokines often bind the same receptor, resulting in a highly complex network of interactions ( 3 ). (pnas.org)
- thus, it is not surprising that chemokines are also able to bind linear sulfated GAGs such as heparin and heparan sulfate. (pnas.org)
- Use this table to quickly identify the chemokines that bind to each receptor. (biolegend.com)
- Chemokines bind to a variety of different receptors, which belong to the G-protein-binding receptor family, and there are ~23 types of chemokine receptors that have been discovered ( 10 ). (spandidos-publications.com)
- Furthermore, activated chemokine receptors bind to the scaffolding protein β-arrestin ( 1 - 3 ). (jimmunol.org)
- Macrophage-specific chemokines in. (mendeley.com)
- We conclude that the chemotactic defect observed in premature neonates is not the result of diminished circulating concentrations of any of the specific chemokines we measured. (rti.org)
- We asked whether specific chemokines were expressed in the CNS during acute demyelinating events by analyzing cerebrospinal fluid (CSF), whose composition reflects the CNS extracellular space. (jci.org)
- These are known as homeostatic chemokines and are produced and secreted without any need to stimulate their source cell(s). (wikipedia.org)
- Homeostatic chemokines are constitutively expressed in particular organs or tissues. (biolegend.com)
- Due to their function of targeting cells to specific organs, homeostatic chemokines can also be involved in cancer and metastasis. (biolegend.com)
- The observation that the chemokine CCL2 is potentially responsible for the recruitment of macrophages to atherosclerotic lesions initiated a campaign of research into the a class of molecules that would inhibit the trafficking of leukocytes and act as a new generation of anti-inflammatory agents. (wikipedia.org)
- The most thoroughly characterized CC chemokine is MCP-1 (also known as CCL2), a potent agonist for monocytes, memory T cells, and basophils. (ahajournals.org)
- 1997). "Cloning and characterization of a specific receptor for the novel CC chemokine MIP-3alpha from lung dendritic cells" . (wikipedia.org)
- CCR6 is a chemokine receptor that is expressed in immature dendritic cells (DCs) ( 10 )( 11 )( 12 ) as well as in B lymphocytes ( 13 )( 14 ) and memory T cells ( 13 ). (rupress.org)
Broad-spectrum chemokine inhibitor9
- Broad Spectrum Chemokine Inhibitor (BSCIs) - Pipeline Insight, 2020 report outlays comprehensive insights of present scenario and growth prospects across the mechanism of action. (researchandmarkets.com)
- A detailed picture of the Broad Spectrum Chemokine Inhibitor (BSCIs) pipeline landscape is provided, which includes the topic overview and Broad Spectrum Chemokine Inhibitor (BSCIs) mechanism of action. (researchandmarkets.com)
- The assessment part of the report embraces, in-depth Broad Spectrum Chemokine Inhibitor (BSCIs) commercial assessment and clinical assessment of the pipeline products under development. (researchandmarkets.com)
- All the companies developing therapies of Broad Spectrum Chemokine Inhibitor (BSCIs) with aggregate therapies developed by each company for the same. (researchandmarkets.com)
- Different therapeutic candidates in early-stage, mid-stage and late stage of development for Broad Spectrum Chemokine Inhibitor (BSCIs). (researchandmarkets.com)
- Key players involved in Broad Spectrum Chemokine Inhibitor (BSCIs) targeted therapeutics development with respective active and inactive (dormant or discontinued) projects. (researchandmarkets.com)
- Collaborations (company-company collaborations and company-academia collaborations), licensing agreements and financing details for future developments of Broad Spectrum Chemokine Inhibitor (BSCIs). (researchandmarkets.com)
- The Broad Spectrum Chemokine Inhibitor (BSCIs) report provides an overview of therapeutic pipeline activity and therapeutic assessment of the products by development stage, product type, route of administration, molecule type, and MOA the complete product development cycle, including all clinical and nonclinical stages. (researchandmarkets.com)
- It comprises of detailed profiles of Broad Spectrum Chemokine Inhibitor (BSCIs) therapeutic products with key coverage of involved technology, collaborations, licensing, mergers and acquisition, funding, designations and other product-related details. (researchandmarkets.com)
- Examples of viral chemokine activity inhibitors are vCCI, vCKBP. (prospecbio.com)
- Importantly, major advances in our understanding of chemokine biology have led to chemokine receptors becoming specific therapeutic targets with great potential. (springer.com)
- The Biology CXC Chemokines and Their Receptors. (elsevier.com)
- The Molecular and Cellular Biology of CC Chemokines and Their Receptors. (elsevier.com)
- This volume in the Current Topics in Membranes series discusses the biology of chemokines and their binding partners, chemokine receptors, in normal and disease-related states. (elsevier.com)
- In this review, we describe the current state of knowledge of chemokine biology in teleost fish. (mdpi.com)
- Chemokine biology is further complicated by individual chemokines interacting with more than one receptor and chemokine receptors potentially binding more than one chemokine. (pnas.org)
- The Structural Biology of Chemokines*Elias Lolis, Ph.D. and James Murphy, Ph.D.Yale University3. (indigo.ca)
- The first 2 cysteine residues of this family are separated by 1 amino acids therefore, called CXC-Chemokines [Cysteine- Amino Acid-Cysteine-Chemokines]. (prospecbio.com)
- In particular, chemokines have proven to be an attractive synthetic target, and chemical synthesis comes to the fore in enabling the introduction of unnatural amino acids, or labels that are useful aids in research. (regonline.co.uk)
- CX3C Chemokines - Contain four conserved cysteine residues of which the first two, closest to the N-terminal, are separated by three amino acids. (peprotech.com)
- In Chemokine Receptors, leading investigators attempt to distill the large body of literature ranging from basic molecular and cellular mechanism of chemokine receptors, to physiological and pathological roles of chemokines. (springer.com)
- Subsequently, it has only been possible to establish clear homologies with mammalian chemokines in the case of some chemokines with well-conserved homeostatic roles, whereas the functionality of other chemokine genes will have to be independently addressed in each species. (mdpi.com)
- Recent discoveries in the many biological roles of chemokines in tumor immunology allow their exploitation in enhancing recruitment of antigen presenting cells (APCs) and effector cells to appropriate anatomical sites. (mdpi.com)
- In the context of cancer, the chemokine-chemokine receptor system plays paradoxical roles. (mdpi.com)
- Recent reports suggest that chemokines may have additional roles to play in pain. (pnas.org)
- In the present review, the literature on the multifactorial roles of exosomes in HCC from PubMed, Cochrane library and Embase were obtained, with a specific focus on the functions and mechanisms of chemokines in HCC. (spandidos-publications.com)
- It has been found that chemokine networks may serve pivotal roles in inducing organ-specific metastasis ( 8 ). (spandidos-publications.com)
- In particular the book contains cutting-edge information ranging from basic molecular and cellular mechanisms to physiological and pathological roles of chemokines. (indigo.ca)
- Our results imply pathogenic roles for specific chemokine-chemokine receptor interactions in MS and suggest new molecular targets for therapeutic intervention. (jci.org)
- Because of their critical roles in monocyte recruitment in vascular and nonvascular diseases, MCP-1 and CCR2 have become important therapeutic targets, and efforts are underway to develop potent and specific antagonists of these and related chemokines. (ahajournals.org)
- I am particularly interested in the b-chemokines such as MCP-1, MIP-1a, MIP-1b and RANTES. (bio.net)
- Findings: We found that the chemokine RANTES(CCL5) was significantly elevated, from an early stage of the infection, in patients with mild but not severe disease. (ssrn.com)
- Synthesis of the chemokines MIP-1α, MIP-1β, and RANTES has been shown to be associated with a Th1 response ( 4 ). (diabetesjournals.org)
- Mice lacking the chemokine receptor chemotactic cytokine receptor 2 (CCR2) have a marked attenuation of monocyte recruitment in response to various inflammatory stimuli and a reduction of inflammatory lesions in models of demyelinating disease. (pnas.org)
- Conversely, mothers of children with either ASD-noID or with DD had significantly lower levels of the chemokines IL-8 and monocyte chemotactic protein-1 compared with mothers of GP controls. (nature.com)
Role of the chemokine1
- We discuss the evidence base for the role of the chemokine network in the renal disease of small vessel vasculitis and extend this to non-renal aspects of small vessel vasculitis other systemic vasculitides. (nih.gov)
- All other chemokines with activities in lymphocytes do also induce responses in monocytes and granulocytes. (nih.gov)
- In contrast to the remarkable chemokine responses of phagocytes and monocytes that were documented early on, lymphocytes have been considered for a long time to be poor targets for chemokine action. (nih.gov)
- Thus, the chemokine system assures that cell traffic during inflammatory responses occurs in the proper spatial and temporal fashion and disturbance of this system, therefore, can lead to inflammatory disease. (nih.gov)
- A subset of CC chemokines, acting through CC chemokine receptors (CCRs) 1 to 5, is instrumental in shaping inflammatory responses. (jci.org)
- These results indicate that a specific set of chemokines enhance the inflammatory and protective anti-viral responses mediated by TNF and lymphotoxin, and illustrate how viruses optimize anti-TNF strategies with the addition of a chemokine binding domain as soluble decoy receptors. (nature.com)
- Such variety of activities may provide poxviruses the ability to differentially block chemokines involved in distinct anti-viral responses, to inhibit chemokines at different stages of infection in the host or to simultaneously inhibit chemokines and TNF. (nature.com)
- The chemokine family encompasses nearly 50 members, which are classified based on the relative position of their conserved N-terminal cysteine residues (CC, CXC, CX 3 C, and C). Chemokines elicit intracellular responses via G protein-coupled receptors. (jimmunol.org)
- The first two extracellular loops of chemokine receptors are linked together by disulfide bonding between two conserved cysteine residues. (wikipedia.org)
- Chemokines constitute a large family of structurally similar cytokines that contain a signature of conserved cysteine residues joined by disulfide bridges. (springer.com)
- Chemokines possess a number of conserved cysteine residues involved in intramolecular disulfide bond formation. (prospecbio.com)
- These cysteines provide tertiary structure for the chemokine through disulfide bonds. (biolegend.com)
- C Chemokines - Contain only two conserved cysteine residues linked by a single disulfide bond. (peprotech.com)
- Nomenclature for chemokine receptors. (ebi.ac.uk)
- The increase of the chemokines concentration could be associated not only with infection but also with the mechanism of labor [ 12 ]. (hindawi.com)
- Other chemokines are inflammatory and are released from a wide variety of cells in response to bacterial infection, viruses and agents that cause physical damage such as silica or the urate crystals that occur in gout . (wikipedia.org)
- Chemokines are induced and released into the circulation during acute infection but high concentrations of some chemokines are observed also in normal plasma. (prospecbio.com)
- Chemokines play a part in the development of many diseases, especially inflammatory diseases, including HIV infection. (rainbow.coop)
- Virus infection stimulated the release of at least 31 cytokine-related molecules, including several important chemokines known to attract inflammatory cells. (greenmedinfo.com)
- Chemokine receptors are critical for the infection of perivascular macrophages and microglia. (asmscience.org)
- It has also been shown that chemokines and their receptors play a more direct role in the neuropathogenesis of HIV-1 infection. (asmscience.org)
- Chemokines and the Neuropathogenesis of HIV-1 Infection, p 151-171. (asmscience.org)
- A proposed pathophysiological mechanism for how chemokines and their receptors influence the neuropathogenesis of HIV-1 infection. (asmscience.org)
Receptors are expressed1
- Chemokines and their chemokine receptors are expressed in the nervous system, and their engagement affects neuronal and glial function. (asmscience.org)
- AequoScreen® Double Transfected Cell Lines: Chemokine, CX3CR1 subtype. (perkinelmer.com)
- Chemokines: a new classification system and their role in immunity. (ebi.ac.uk)