Substances that are recognized by the immune system and induce an immune reaction.
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.
Differentiation antigens found on thymocytes and on cytotoxic and suppressor T-lymphocytes. CD8 antigens are members of the immunoglobulin supergene family and are associative recognition elements in MHC (Major Histocompatibility Complex) Class I-restricted interactions.
Proteins, glycoprotein, or lipoprotein moieties on surfaces of tumor cells that are usually identified by monoclonal antibodies. Many of these are of either embryonic or viral origin.
Complex of at least five membrane-bound polypeptides in mature T-lymphocytes that are non-covalently associated with one another and with the T-cell receptor (RECEPTORS, ANTIGEN, T-CELL). The CD3 complex includes the gamma, delta, epsilon, zeta, and eta chains (subunits). When antigen binds to the T-cell receptor, the CD3 complex transduces the activating signals to the cytoplasm of the T-cell. The CD3 gamma and delta chains (subunits) are separate from and not related to the gamma/delta chains of the T-cell receptor (RECEPTORS, ANTIGEN, T-CELL, GAMMA-DELTA).
Antigens on surfaces of cells, including infectious or foreign cells or viruses. They are usually protein-containing groups on cell membranes or walls and may be isolated.
Substances elaborated by bacteria that have antigenic activity.
A bifunctional enzyme that catalyzes the synthesis and HYDROLYSIS of CYCLIC ADP-RIBOSE (cADPR) from NAD+ to ADP-RIBOSE. It is a cell surface molecule which is predominantly expressed on LYMPHOID CELLS and MYELOID CELLS.
Glycoproteins found on immature hematopoietic cells and endothelial cells. They are the only molecules to date whose expression within the blood system is restricted to a small number of progenitor cells in the bone marrow.
Differentiation antigens expressed on B-lymphocytes and B-cell precursors. They are involved in regulation of B-cell proliferation.
A member of the tumor necrosis factor receptor superfamily with specificity for CD40 LIGAND. It is found on mature B-LYMPHOCYTES and some EPITHELIAL CELLS, lymphoid DENDRITIC CELLS. Evidence suggests that CD40-dependent activation of B-cells is important for generation of memory B-cells within the germinal centers. Mutations of the gene for CD40 antigen result in HYPER-IGM IMMUNODEFICIENCY SYNDROME, TYPE 3. Signaling of the receptor occurs through its association with TNF RECEPTOR-ASSOCIATED FACTORS.
A membrane glycoprotein and differentiation antigen expressed on the surface of T-cells that binds to CD40 ANTIGENS on B-LYMPHOCYTES and induces their proliferation. Mutation of the gene for CD40 ligand is a cause of HYPER-IGM IMMUNODEFICIENCY SYNDROME, TYPE 1.
Unglycosylated phosphoproteins expressed only on B-cells. They are regulators of transmembrane Ca2+ conductance and thought to play a role in B-cell activation and proliferation.
Substances elaborated by viruses that have antigenic activity.
Costimulatory T-LYMPHOCYTE receptors that have specificity for CD80 ANTIGEN and CD86 ANTIGEN. Activation of this receptor results in increased T-cell proliferation, cytokine production and promotion of T-cell survival.
Acidic sulfated integral membrane glycoproteins expressed in several alternatively spliced and variable glycosylated forms on a wide variety of cell types including mature T-cells, B-cells, medullary thymocytes, granulocytes, macrophages, erythrocytes, and fibroblasts. CD44 antigens are the principle cell surface receptors for hyaluronate and this interaction mediates binding of lymphocytes to high endothelial venules. (From Abbas et al., Cellular and Molecular Immunology, 2d ed, p156)
Differentiation antigens expressed on pluripotential hematopoietic cells, most human thymocytes, and a major subset of peripheral blood T-lymphocytes. They have been implicated in integrin-mediated cellular adhesion and as signalling receptors on T-cells.
Glycolipid-anchored membrane glycoproteins expressed on cells of the myelomonocyte lineage including monocytes, macrophages, and some granulocytes. They function as receptors for the complex of lipopolysaccharide (LPS) and LPS-binding protein.
Glycoprotein members of the immunoglobulin superfamily which participate in T-cell adhesion and activation. They are expressed on most peripheral T-lymphocytes, natural killer cells, and thymocytes, and function as co-receptors or accessory molecules in the T-cell receptor complex.
Ratio of T-LYMPHOCYTES that express the CD4 ANTIGEN to those that express the CD8 ANTIGEN. This value is commonly assessed in the diagnosis and staging of diseases affecting the IMMUNE SYSTEM including HIV INFECTIONS.
Glycoproteins expressed on all mature T-cells, thymocytes, and a subset of mature B-cells. Antibodies specific for CD5 can enhance T-cell receptor-mediated T-cell activation. The B-cell-specific molecule CD72 is a natural ligand for CD5. (From Abbas et al., Cellular and Molecular Immunology, 2d ed, p156)
Antigens expressed primarily on the membranes of living cells during sequential stages of maturation and differentiation. As immunologic markers they have high organ and tissue specificity and are useful as probes in studies of normal cell development as well as neoplastic transformation.
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.
Glycoproteins expressed on cortical thymocytes and on some dendritic cells and B-cells. Their structure is similar to that of MHC Class I and their function has been postulated as similar also. CD1 antigens are highly specific markers for human LANGERHANS CELLS.
Antibodies produced by a single clone of cells.
The 140 kDa isoform of NCAM (neural cell adhesion molecule) containing a transmembrane domain and short cytoplasmic tail. It is expressed by all lymphocytes mediating non-MHC restricted cytotoxicity and is present on some neural tissues and tumors.
Antigens expressed on the cell membrane of T-lymphocytes during differentiation, activation, and normal and neoplastic transformation. Their phenotypic characterization is important in differential diagnosis and studies of thymic ontogeny and T-cell function.
A membrane-bound or cytosolic enzyme that catalyzes the synthesis of CYCLIC ADP-RIBOSE (cADPR) from nicotinamide adenine dinucleotide (NAD). This enzyme generally catalyzes the hydrolysis of cADPR to ADP-RIBOSE, as well, and sometimes the synthesis of cyclic ADP-ribose 2' phosphate (2'-P-cADPR) from NADP.
Surface antigens expressed on myeloid cells of the granulocyte-monocyte-histiocyte series during differentiation. Analysis of their reactivity in normal and malignant myelomonocytic cells is useful in identifying and classifying human leukemias and lymphomas.
A costimulatory ligand expressed by ANTIGEN-PRESENTING CELLS that binds to CTLA-4 ANTIGEN with high specificity and to CD28 ANTIGEN with low specificity. The interaction of CD80 with CD28 ANTIGEN provides a costimulatory signal to T-LYMPHOCYTES, while its interaction with CTLA-4 ANTIGEN may play a role in inducing PERIPHERAL TOLERANCE.
Tetraspanin proteins found at high levels in cells of the lymphoid-myeloid lineage. CD53 antigens may be involved regulating the differentiation of T-LYMPHOCYTES and the activation of B-LYMPHOCYTES.
A cell adhesion protein that was originally identified as a heat stable antigen in mice. It is involved in METASTASIS and is highly expressed in many NEOPLASMS.
Zinc-binding metalloproteases that are members of the type II integral membrane metalloproteases. They are expressed by GRANULOCYTES; MONOCYTES; and their precursors as well as by various non-hematopoietic cells. They release an N-terminal amino acid from a peptide, amide or arylamide.
Any part or derivative of any protozoan that elicits immunity; malaria (Plasmodium) and trypanosome antigens are presently the most frequently encountered.
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.
A costimulatory ligand expressed by ANTIGEN-PRESENTING CELLS that binds to CD28 ANTIGEN with high specificity and to CTLA-4 ANTIGEN with low specificity. The interaction of CD86 with CD28 ANTIGEN provides a stimulatory signal to T-LYMPHOCYTES, while its interaction with CTLA-4 ANTIGEN may play a role in inducing PERIPHERAL TOLERANCE.
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.
Lymphoid cells concerned with humoral immunity. They are short-lived cells resembling bursa-derived lymphocytes of birds in their production of immunoglobulin upon appropriate stimulation.
Polyomavirus antigens which cause infection and cellular transformation. The large T antigen is necessary for the initiation of viral DNA synthesis, repression of transcription of the early region and is responsible in conjunction with the middle T antigen for the transformation of primary cells. Small T antigen is necessary for the completion of the productive infection cycle.
A tumor necrosis factor receptor subtype found in a variety of tissues and on activated LYMPHOCYTES. It has specificity for FAS LIGAND and plays a role in regulation of peripheral immune responses and APOPTOSIS. Multiple isoforms of the protein exist due to multiple ALTERNATIVE SPLICING. The activated receptor signals via a conserved death domain that associates with specific TNF RECEPTOR-ASSOCIATED FACTORS in the CYTOPLASM.
Antigens determined by leukocyte loci found on chromosome 6, the major histocompatibility loci in humans. They are polypeptides or glycoproteins found on most nucleated cells and platelets, determine tissue types for transplantation, and are associated with certain diseases.
Membrane antigens associated with maturation stages of B-lymphocytes, often expressed in tumors of B-cell origin.
High-molecular weight glycoproteins uniquely expressed on the surface of LEUKOCYTES and their hemopoietic progenitors. They contain a cytoplasmic protein tyrosine phosphatase activity which plays a role in intracellular signaling from the CELL SURFACE RECEPTORS. The CD45 antigens occur as multiple isoforms that result from alternative mRNA splicing and differential usage of three exons.
Process of classifying cells of the immune system based on structural and functional differences. The process is commonly used to analyze and sort T-lymphocytes into subsets based on CD antigens by the technique of flow cytometry.
Substances of fungal origin that have antigenic activity.
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
The major group of transplantation antigens in the mouse.
A 67-kDa sialic acid binding lectin that is specific for MYELOID CELLS and MONOCYTE-MACROPHAGE PRECURSOR CELLS. This protein is the smallest siglec subtype and contains a single immunoglobulin C2-set domain. It may play a role in intracellular signaling via its interaction with SHP-1 PROTEIN-TYROSINE PHOSPHATASE and SHP-2 PROTEIN-TYROSINE PHOSPHATASE.
Any part or derivative of a helminth that elicits an immune reaction. The most commonly seen helminth antigens are those of the schistosomes.
Molecules on the surface of T-lymphocytes that recognize and combine with antigens. The receptors are non-covalently associated with a complex of several polypeptides collectively called CD3 antigens (ANTIGENS, CD3). Recognition of foreign antigen and the major histocompatibility complex is accomplished by a single heterodimeric antigen-receptor structure, composed of either alpha-beta (RECEPTORS, ANTIGEN, T-CELL, ALPHA-BETA) or gamma-delta (RECEPTORS, ANTIGEN, T-CELL, GAMMA-DELTA) chains.
Cell-surface glycoprotein beta-chains that are non-covalently linked to specific alpha-chains of the CD11 family of leukocyte-adhesion molecules (RECEPTORS, LEUKOCYTE-ADHESION). A defect in the gene encoding CD18 causes LEUKOCYTE-ADHESION DEFICIENCY SYNDROME.
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.
A member of the tumor necrosis factor receptor superfamily that may play a role in the regulation of NF-KAPPA B and APOPTOSIS. They are found on activated T-LYMPHOCYTES; B-LYMPHOCYTES; NEUTROPHILS; EOSINOPHILS; MAST CELLS and NK CELLS. Overexpression of CD30 antigen in hematopoietic malignancies make the antigen clinically useful as a biological tumor marker. Signaling of the receptor occurs through its association with TNF RECEPTOR-ASSOCIATED FACTORS.
Glycoproteins found on the membrane or surface of cells.
A critical subpopulation of regulatory T-lymphocytes involved in MHC Class I-restricted interactions. They include both cytotoxic T-lymphocytes (T-LYMPHOCYTES, CYTOTOXIC) and CD8+ suppressor T-lymphocytes.
Sites on an antigen that interact with specific antibodies.
A subtype of tetraspanin proteins that play a role in cell adhesion, cell motility, and tumor metastasis. CD9 antigens take part in the process of platelet activation and aggregation, the formation of paranodal junctions in neuronal tissue, and the fusion of sperm with egg.
A glycoprotein that is secreted into the luminal surface of the epithelia in the gastrointestinal tract. It is found in the feces and pancreaticobiliary secretions and is used to monitor the response to colon cancer treatment.
A subclass of HLA-D antigens that consist of alpha and beta chains. The inheritance of HLA-DR antigens differs from that of the HLA-DQ ANTIGENS and HLA-DP ANTIGENS.
A trisaccharide antigen expressed on glycolipids and many cell-surface glycoproteins. In the blood the antigen is found on the surface of NEUTROPHILS; EOSINOPHILS; and MONOCYTES. In addition, CD15 antigen is a stage-specific embryonic antigen.
Those proteins recognized by antibodies from serum of animals bearing tumors induced by viruses; these proteins are presumably coded for by the nucleic acids of the same viruses that caused the neoplastic transformation.
Established cell cultures that have the potential to propagate indefinitely.
A sialic acid-rich protein and an integral cell membrane mucin. It plays an important role in activation of T-LYMPHOCYTES.
Leukocyte differentiation antigens and major platelet membrane glycoproteins present on MONOCYTES; ENDOTHELIAL CELLS; PLATELETS; and mammary EPITHELIAL CELLS. They play major roles in CELL ADHESION; SIGNAL TRANSDUCTION; and regulation of angiogenesis. CD36 is a receptor for THROMBOSPONDINS and can act as a scavenger receptor that recognizes and transports oxidized LIPOPROTEINS and FATTY ACIDS.
The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.
A group of three different alpha chains (CD11a, CD11b, CD11c) that are associated with an invariant CD18 beta chain (ANTIGENS, CD18). The three resulting leukocyte-adhesion molecules (RECEPTORS, LEUKOCYTE ADHESION) are LYMPHOCYTE FUNCTION-ASSOCIATED ANTIGEN-1; MACROPHAGE-1 ANTIGEN; and ANTIGEN, P150,95.
Large, transmembrane, non-covalently linked glycoproteins (alpha and beta). Both chains can be polymorphic although there is more structural variation in the beta chains. The class II antigens in humans are called HLA-D ANTIGENS and are coded by a gene on chromosome 6. In mice, two genes named IA and IE on chromosome 17 code for the H-2 antigens. The antigens are found on B-lymphocytes, macrophages, epidermal cells, and sperm and are thought to mediate the competence of and cellular cooperation in the immune response. The term IA antigens used to refer only to the proteins encoded by the IA genes in the mouse, but is now used as a generic term for any class II histocompatibility antigen.
A group of antigens that includes both the major and minor histocompatibility antigens. The former are genetically determined by the major histocompatibility complex. They determine tissue type for transplantation and cause allograft rejections. The latter are systems of allelic alloantigens that can cause weak transplant rejection.
Small glycoproteins found on both hematopoietic and non-hematopoietic cells. CD59 restricts the cytolytic activity of homologous complement by binding to C8 and C9 and blocking the assembly of the membrane attack complex. (From Barclay et al., The Leukocyte Antigen FactsBook, 1993, p234)
IMMUNOGLOBULINS on the surface of B-LYMPHOCYTES. Their MESSENGER RNA contains an EXON with a membrane spanning sequence, producing immunoglobulins in the form of type I transmembrane proteins as opposed to secreted immunoglobulins (ANTIBODIES) which do not contain the membrane spanning segment.
Nuclear antigen with a role in DNA synthesis, DNA repair, and cell cycle progression. PCNA is required for the coordinated synthesis of both leading and lagging strands at the replication fork during DNA replication. PCNA expression correlates with the proliferation activity of several malignant and non-malignant cell types.
Oligosaccharide antigenic determinants found principally on NK cells and T-cells. Their role in the immune response is poorly understood.
A transmembrane protein belonging to the tumor necrosis factor superfamily that specifically binds to CD27 ANTIGEN. It is found on activated T-LYMPHOCYTES; B-LYMPHOCYTES; and DENDRITIC CELLS where it plays a role in stimulating the proliferation of CD4-POSITIVE T-LYMPHOCYTES and CD8-POSITIVE T-LYMPHOCYTES.
A ubiquitously expressed complement receptor that binds COMPLEMENT C3B and COMPLEMENT C4B and serves as a cofactor for their inactivation. CD46 also interacts with a wide variety of pathogens and mediates immune response.
A class of animal lectins that bind to carbohydrate in a calcium-dependent manner. They share a common carbohydrate-binding domain that is structurally distinct from other classes of lectins.
Glycoproteins with a wide distribution on hematopoietic and non-hematopoietic cells and strongly expressed on macrophages. CD58 mediates cell adhesion by binding to CD2; (ANTIGENS, CD2); and this enhances antigen-specific T-cell activation.
55-kDa antigens found on HELPER-INDUCER T-LYMPHOCYTES and on a variety of other immune cell types. CD4 antigens are members of the immunoglobulin supergene family and are implicated as associative recognition elements in MAJOR HISTOCOMPATIBILITY COMPLEX class II-restricted immune responses. On T-lymphocytes they define the helper/inducer subset. CD4 antigens also serve as INTERLEUKIN-15 receptors and bind to the HIV receptors, binding directly to the HIV ENVELOPE PROTEIN GP120.
A ubiquitously expressed membrane glycoprotein. It interacts with a variety of INTEGRINS and mediates responses to EXTRACELLULAR MATRIX PROTEINS.
A CD antigen that contains a conserved I domain which is involved in ligand binding. When combined with CD18 the two subunits form MACROPHAGE-1 ANTIGEN.
The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.
A glycoprotein that is a kallikrein-like serine proteinase and an esterase, produced by epithelial cells of both normal and malignant prostate tissue. It is an important marker for the diagnosis of prostate cancer.
An integrin alpha subunit of approximately 150-kDa molecular weight. It is expressed at high levels on monocytes and combines with CD18 ANTIGEN to form the cell surface receptor INTEGRIN ALPHAXBETA2. The subunit contains a conserved I-domain which is characteristic of several of alpha integrins.
The lipopolysaccharide-protein somatic antigens, usually from gram-negative bacteria, important in the serological classification of enteric bacilli. The O-specific chains determine the specificity of the O antigens of a given serotype. O antigens are the immunodominant part of the lipopolysaccharide molecule in the intact bacterial cell. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)
A specific HLA-A surface antigen subtype. Members of this subtype contain alpha chains that are encoded by the HLA-A*02 allele family.
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.
Histochemical localization of immunoreactive substances using labeled antibodies as reagents.
Progenitor cells from which all blood cells derive.
The number of CD4-POSITIVE T-LYMPHOCYTES per unit volume of BLOOD. Determination requires the use of a fluorescence-activated flow cytometer.
The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B.
Carbohydrate antigens expressed by malignant tissue. They are useful as tumor markers and are measured in the serum by means of a radioimmunoassay employing monoclonal antibodies.
GPI-linked membrane proteins broadly distributed among hematopoietic and non-hematopoietic cells. CD55 prevents the assembly of C3 CONVERTASE or accelerates the disassembly of preformed convertase, thus blocking the formation of the membrane attack complex.
Cell adhesion molecules present on virtually all monocytes, platelets, and granulocytes. CD31 is highly expressed on endothelial cells and concentrated at the junctions between them.
Cells grown in vitro from neoplastic tissue. If they can be established as a TUMOR CELL LINE, they can be propagated in cell culture indefinitely.
Membrane glycoproteins consisting of an alpha subunit and a BETA 2-MICROGLOBULIN beta subunit. In humans, highly polymorphic genes on CHROMOSOME 6 encode the alpha subunits of class I antigens and play an important role in determining the serological specificity of the surface antigen. Class I antigens are found on most nucleated cells and are generally detected by their reactivity with alloantisera. These antigens are recognized during GRAFT REJECTION and restrict cell-mediated lysis of virus-infected cells.
Tetraspanin proteins that are involved in a variety of cellular functions including BASEMENT MEMBRANE assembly, and in the formation of a molecular complexes on the surface of LYMPHOCYTES.
Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others.
A member of the tumor necrosis factor receptor superfamily that is specific for 4-1BB LIGAND. It is found in a variety of immune cell types including activated T-LYMPHOCYTES; NATURAL KILLER CELLS; and DENDRITIC CELLS. Activation of the receptor on T-LYMPHOCYTES plays a role in their expansion, production of cytokines and survival. Signaling by the activated receptor occurs through its association with TNF RECEPTOR-ASSOCIATED FACTORS.
Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs.
Proteins prepared by recombinant DNA technology.
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.
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.
Polymorphic class I human histocompatibility (HLA) surface antigens present on almost all nucleated cells. At least 20 antigens have been identified which are encoded by the A locus of multiple alleles on chromosome 6. They serve as targets for T-cell cytolytic responses and are involved with acceptance or rejection of tissue/organ grafts.
Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen.
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).
Receptors present on activated T-LYMPHOCYTES and B-LYMPHOCYTES that are specific for INTERLEUKIN-2 and play an important role in LYMPHOCYTE ACTIVATION. They are heterotrimeric proteins consisting of the INTERLEUKIN-2 RECEPTOR ALPHA SUBUNIT, the INTERLEUKIN-2 RECEPTOR BETA SUBUNIT, and the INTERLEUKIN RECEPTOR COMMON GAMMA-CHAIN.
Sets of cell surface antigens located on BLOOD CELLS. They are usually membrane GLYCOPROTEINS or GLYCOLIPIDS that are antigenically distinguished by their carbohydrate moieties.
Those hepatitis B antigens found on the surface of the Dane particle and on the 20 nm spherical and tubular particles. Several subspecificities of the surface antigen are known. These were formerly called the Australia antigen.
Ubiquitously-expressed tetraspanin proteins that are found in late ENDOSOMES and LYSOSOMES and have been implicated in intracellular transport of proteins.
The uptake of naked or purified DNA by CELLS, usually meaning the process as it occurs in eukaryotic cells. It is analogous to bacterial transformation (TRANSFORMATION, BACTERIAL) and both are routinely employed in GENE TRANSFER TECHNIQUES.
The property of antibodies which enables them to react with some ANTIGENIC DETERMINANTS and not with others. Specificity is dependent on chemical composition, physical forces, and molecular structure at the binding site.
Tetraspanin proteins found associated with LAMININ-binding INTEGRINS. The CD151 antigens may play a role in the regulation of CELL MOTILITY.
A component of the B-cell antigen receptor that is involved in B-cell antigen receptor heavy chain transport to the PLASMA MEMBRANE. It is expressed almost exclusively in B-LYMPHOCYTES and serves as a useful marker for B-cell NEOPLASMS.
An encapsulated lymphatic organ through which venous blood filters.
Test for tissue antigen using either a direct method, by conjugation of antibody with fluorescent dye (FLUORESCENT ANTIBODY TECHNIQUE, DIRECT) or an indirect method, by formation of antigen-antibody complex which is then labeled with fluorescein-conjugated anti-immunoglobulin antibody (FLUORESCENT ANTIBODY TECHNIQUE, INDIRECT). The tissue is then examined by fluorescence microscopy.
Human immune-response or Class II antigens found mainly, but not exclusively, on B-lymphocytes and produced from genes of the HLA-D locus. They are extremely polymorphic families of glycopeptides, each consisting of two chains, alpha and beta. This group of antigens includes the -DR, -DQ and -DP designations, of which HLA-DR is most studied; some of these glycoproteins are associated with certain diseases, possibly of immune etiology.
A membrane-bound tumor necrosis family member found primarily on activated T-LYMPHOCYTES that binds specifically to CD30 ANTIGEN. It may play a role in INFLAMMATION and immune regulation.
The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment.
A class of enzymes involved in the hydrolysis of the N-glycosidic bond of nitrogen-linked sugars.
A form of undifferentiated malignant LYMPHOMA usually found in central Africa, but also reported in other parts of the world. It is commonly manifested as a large osteolytic lesion in the jaw or as an abdominal mass. B-cell antigens are expressed on the immature cells that make up the tumor in virtually all cases of Burkitt lymphoma. The Epstein-Barr virus (HERPESVIRUS 4, HUMAN) has been isolated from Burkitt lymphoma cases in Africa and it is implicated as the causative agent in these cases; however, most non-African cases are EBV-negative.
Molecules on the surface of B- and T-lymphocytes that recognize and combine with specific antigens.
Deliberate stimulation of the host's immune response. ACTIVE IMMUNIZATION involves administration of ANTIGENS or IMMUNOLOGIC ADJUVANTS. PASSIVE IMMUNIZATION involves administration of IMMUNE SERA or LYMPHOCYTES or their extracts (e.g., transfer factor, immune RNA) or transplantation of immunocompetent cell producing tissue (thymus or bone marrow).
The production of ANTIBODIES by proliferating and differentiated B-LYMPHOCYTES under stimulation by ANTIGENS.
An alpha-integrin subunit found on lymphocytes, granulocytes, macrophages and monocytes. It combines with the integrin beta2 subunit (CD18 ANTIGEN) to form LYMPHOCYTE FUNCTION-ASSOCIATED ANTIGEN-1.
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.
Antigens of the virion of the HEPATITIS B VIRUS or the Dane particle, its surface (HEPATITIS B SURFACE ANTIGENS), core (HEPATITIS B CORE ANTIGENS), and other associated antigens, including the HEPATITIS B E ANTIGENS.
The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells.
The processes triggered by interactions of ANTIBODIES with their ANTIGENS.
Serum that contains antibodies. It is obtained from an animal that has been immunized either by ANTIGEN injection or infection with microorganisms containing the antigen.
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.)
Mice homozygous for the mutant autosomal recessive gene "scid" which is located on the centromeric end of chromosome 16. These mice lack mature, functional lymphocytes and are thus highly susceptible to lethal opportunistic infections if not chronically treated with antibiotics. The lack of B- and T-cell immunity resembles severe combined immunodeficiency (SCID) syndrome in human infants. SCID mice are useful as animal models since they are receptive to implantation of a human immune system producing SCID-human (SCID-hu) hematochimeric mice.
Immunized T-lymphocytes which can directly destroy appropriate target cells. These cytotoxic lymphocytes may be generated in vitro in mixed lymphocyte cultures (MLC), in vivo during a graft-versus-host (GVH) reaction, or after immunization with an allograft, tumor cell or virally transformed or chemically modified target cell. The lytic phenomenon is sometimes referred to as cell-mediated lympholysis (CML). These CD8-positive cells are distinct from NATURAL KILLER CELLS and NATURAL KILLER T-CELLS. There are two effector phenotypes: TC1 and TC2.
Recombinant proteins produced by the GENETIC TRANSLATION of fused genes formed by the combination of NUCLEIC ACID REGULATORY SEQUENCES of one or more genes with the protein coding sequences of one or more genes.
The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION.
A heterogeneous group of immunocompetent cells that mediate the cellular immune response by processing and presenting antigens to the T-cells. Traditional antigen-presenting cells include MACROPHAGES; DENDRITIC CELLS; LANGERHANS CELLS; and B-LYMPHOCYTES. FOLLICULAR DENDRITIC CELLS are not traditional antigen-presenting cells, but because they hold antigen on their cell surface in the form of IMMUNE COMPLEXES for B-cell recognition they are considered so by some authors.
The type species of LYMPHOCRYPTOVIRUS, subfamily GAMMAHERPESVIRINAE, infecting B-cells in humans. It is thought to be the causative agent of INFECTIOUS MONONUCLEOSIS and is strongly associated with oral hairy leukoplakia (LEUKOPLAKIA, HAIRY;), BURKITT LYMPHOMA; and other malignancies.
T-cell receptors composed of CD3-associated alpha and beta polypeptide chains and expressed primarily in CD4+ or CD8+ T-cells. Unlike immunoglobulins, the alpha-beta T-cell receptors recognize antigens only when presented in association with major histocompatibility (MHC) molecules.
Immunoglobulins produced in a response to BACTERIAL ANTIGENS.
Class I human histocompatibility (HLA) surface antigens encoded by more than 30 detectable alleles on locus B of the HLA complex, the most polymorphic of all the HLA specificities. Several of these antigens (e.g., HLA-B27, -B7, -B8) are strongly associated with predisposition to rheumatoid and other autoimmune disorders. Like other class I HLA determinants, they are involved in the cellular immune reactivity of cytolytic T lymphocytes.
The altered state of immunologic responsiveness resulting from initial contact with antigen, which enables the individual to produce antibodies more rapidly and in greater quantity in response to secondary antigenic stimulus.
Cells contained in the bone marrow including fat cells (see ADIPOCYTES); STROMAL CELLS; MEGAKARYOCYTES; and the immediate precursors of most blood cells.
The phenomenon of target cell destruction by immunologically active effector cells. It may be brought about directly by sensitized T-lymphocytes or by lymphoid or myeloid "killer" cells, or it may be mediated by cytotoxic antibody, cytotoxic factor released by lymphoid cells, or complement.
Laboratory mice that have been produced from a genetically manipulated EGG or EMBRYO, MAMMALIAN.
A melanosome-specific protein that plays a role in the expression, stability, trafficking, and processing of GP100 MELANOMA ANTIGEN, which is critical to the formation of Stage II MELANOSOMES. The protein is used as an antigen marker for MELANOMA cells.
A widely distributed cell surface transmembrane glycoprotein that stimulates the synthesis of MATRIX METALLOPROTEINASES. It is found at high levels on the surface of malignant NEOPLASMS and may play a role as a mediator of malignant cell behavior.
A general term for various neoplastic diseases of the lymphoid tissue.
An albumin obtained from the white of eggs. It is a member of the serpin superfamily.
Antigens associated with specific proteins of the human adult T-cell immunodeficiency virus (HIV); also called HTLV-III-associated and lymphadenopathy-associated virus (LAV) antigens.
An inhibitory T CELL receptor that is closely related to CD28 ANTIGEN. It has specificity for CD80 ANTIGEN and CD86 ANTIGEN and acts as a negative regulator of peripheral T cell function. CTLA-4 antigen is believed to play role in inducing PERIPHERAL TOLERANCE.
A promyelocytic cell line derived from a patient with ACUTE PROMYELOCYTIC LEUKEMIA. HL-60 cells lack specific markers for LYMPHOID CELLS but express surface receptors for FC FRAGMENTS and COMPLEMENT SYSTEM PROTEINS. They also exhibit phagocytic activity and responsiveness to chemotactic stimuli. (From Hay et al., American Type Culture Collection, 7th ed, pp127-8)
A widely expressed transmembrane glycoprotein that functions as a METASTASIS suppressor protein. It is underexpressed in a variety of human NEOPLASMS.
Immunologic techniques based on the use of: (1) enzyme-antibody conjugates; (2) enzyme-antigen conjugates; (3) antienzyme antibody followed by its homologous enzyme; or (4) enzyme-antienzyme complexes. These are used histologically for visualizing or labeling tissue specimens.
Immunoglobulin molecules having a specific amino acid sequence by virtue of which they interact only with the ANTIGEN (or a very similar shape) that induced their synthesis in cells of the lymphoid series (especially PLASMA CELLS).
The phenotypic manifestation of a gene or genes by the processes of GENETIC TRANSCRIPTION and GENETIC TRANSLATION.
A group of differentiation surface antigens, among the first to be discovered on thymocytes and T-lymphocytes. Originally identified in the mouse, they are also found in other species including humans, and are expressed on brain neurons and other cells.
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.
The specific failure of a normally responsive individual to make an immune response to a known antigen. It results from previous contact with the antigen by an immunologically immature individual (fetus or neonate) or by an adult exposed to extreme high-dose or low-dose antigen, or by exposure to radiation, antimetabolites, antilymphocytic serum, etc.
Manifestations of the immune response which are mediated by antigen-sensitized T-lymphocytes via lymphokines or direct cytotoxicity. This takes place in the absence of circulating antibody or where antibody plays a subordinate role.
A single, unpaired primary lymphoid organ situated in the MEDIASTINUM, extending superiorly into the neck to the lower edge of the THYROID GLAND and inferiorly to the fourth costal cartilage. It is necessary for normal development of immunologic function early in life. By puberty, it begins to involute and much of the tissue is replaced by fat.
Endogenous tissue constituents that have the ability to interact with AUTOANTIBODIES and cause an immune response.
A group of genetically identical cells all descended from a single common ancestral cell by mitosis in eukaryotes or by binary fission in prokaryotes. Clone cells also include populations of recombinant DNA molecules all carrying the same inserted sequence. (From King & Stansfield, Dictionary of Genetics, 4th ed)
Nuclear antigens encoded by VIRAL GENES found in HUMAN HERPESVIRUS 4. At least six nuclear antigens have been identified.
A soluble substance elaborated by antigen- or mitogen-stimulated T-LYMPHOCYTES which induces DNA synthesis in naive lymphocytes.
A class of immunoglobulin bearing mu chains (IMMUNOGLOBULIN MU-CHAINS). IgM can fix COMPLEMENT. The name comes from its high molecular weight and originally being called a macroglobulin.
A cell line derived from cultured tumor cells.
Measurable and quantifiable biological parameters (e.g., specific enzyme concentration, specific hormone concentration, specific gene phenotype distribution in a population, presence of biological substances) which serve as indices for health- and physiology-related assessments, such as disease risk, psychiatric disorders, environmental exposure and its effects, disease diagnosis, metabolic processes, substance abuse, pregnancy, cell line development, epidemiologic studies, etc.
A sex-specific cell surface antigen produced by the sex-determining gene of the Y chromosome in mammals. It causes syngeneic grafts from males to females to be rejected and interacts with somatic elements of the embryologic undifferentiated gonad to produce testicular organogenesis.
A cell adhesion molecule of the immunoglobulin superfamily that is expressed in ENDOTHELIAL CELLS and is involved in INTERCELLULAR JUNCTIONS.
Antigens stimulating the formation of, or combining with heterophile antibodies. They are cross-reacting antigens found in phylogenetically unrelated species.
CD4-positive T cells that inhibit immunopathology or autoimmune disease in vivo. They inhibit the immune response by influencing the activity of other cell types. Regulatory T-cells include naturally occurring CD4+CD25+ cells, IL-10 secreting Tr1 cells, and Th3 cells.
Antibodies obtained from a single clone of cells grown in mice or rats.
Antigenic determinants recognized and bound by the T-cell receptor. Epitopes recognized by the T-cell receptor are often located in the inner, unexposed side of the antigen, and become accessible to the T-cell receptors after proteolytic processing of the antigen.
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.
A heterodimeric protein that is a cell surface antigen associated with lymphocyte activation. The initial characterization of this protein revealed one identifiable heavy chain (ANTIGENS, CD98 HEAVY CHAIN) and an indeterminate smaller light chain. It is now known that a variety of light chain subunits (ANTIGENS, CD98 LIGHT CHAINS) can dimerize with the heavy chain. Depending upon its light chain composition a diverse array of functions can be found for this protein. Functions include: type L amino acid transport, type y+L amino acid transport and regulation of cellular fusion.
The hepatitis B antigen within the core of the Dane particle, the infectious hepatitis virion.
Members of the class of compounds composed of AMINO ACIDS joined together by peptide bonds between adjacent amino acids into linear, branched or cyclical structures. OLIGOPEPTIDES are composed of approximately 2-12 amino acids. Polypeptides are composed of approximately 13 or more amino acids. PROTEINS are linear polypeptides that are normally synthesized on RIBOSOMES.
The complex formed by the binding of antigen and antibody molecules. The deposition of large antigen-antibody complexes leading to tissue damage causes IMMUNE COMPLEX DISEASES.
They are oval or bean shaped bodies (1 - 30 mm in diameter) located along the lymphatic system.
The sum of the weight of all the atoms in a molecule.
Technique involving the diffusion of antigen or antibody through a semisolid medium, usually agar or agarose gel, with the result being a precipitin reaction.
A group of the D-related HLA antigens found to differ from the DR antigens in genetic locus and therefore inheritance. These antigens are polymorphic glycoproteins comprising alpha and beta chains and are found on lymphoid and other cells, often associated with certain diseases.
Immunoglobulins produced in response to VIRAL ANTIGENS.
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.
Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations, or by parent x offspring matings carried out with certain restrictions. All animals within an inbred strain trace back to a common ancestor in the twentieth generation.
A glycolipid, cross-species antigen that induces production of antisheep hemolysin. It is present on the tissue cells of many species but absent in humans. It is found in many infectious agents.
Elements of limited time intervals, contributing to particular results or situations.
The species Oryctolagus cuniculus, in the family Leporidae, order LAGOMORPHA. Rabbits are born in burrows, furless, and with eyes and ears closed. In contrast with HARES, rabbits have 22 chromosome pairs.
An inhibitory B7 antigen that has specificity for the T-CELL receptor PROGRAMMED CELL DEATH 1 PROTEIN. CD274 antigen provides negative signals that control and inhibit T-cell responses and is found at higher than normal levels on tumor cells, suggesting its potential role in TUMOR IMMUNE EVASION.
Serologic tests based on inactivation of complement by the antigen-antibody complex (stage 1). Binding of free complement can be visualized by addition of a second antigen-antibody system such as red cells and appropriate red cell antibody (hemolysin) requiring complement for its completion (stage 2). Failure of the red cells to lyse indicates that a specific antigen-antibody reaction has taken place in stage 1. If red cells lyse, free complement is present indicating no antigen-antibody reaction occurred in stage 1.
A species of POLYOMAVIRUS originally isolated from Rhesus monkey kidney tissue. It produces malignancy in human and newborn hamster kidney cell cultures.
Conjugated protein-carbohydrate compounds including mucins, mucoid, and amyloid glycoproteins.
Substances that augment, stimulate, activate, potentiate, or modulate the immune response at either the cellular or humoral level. The classical agents (Freund's adjuvant, BCG, Corynebacterium parvum, et al.) contain bacterial antigens. Some are endogenous (e.g., histamine, interferon, transfer factor, tuftsin, interleukin-1). Their mode of action is either non-specific, resulting in increased immune responsiveness to a wide variety of antigens, or antigen-specific, i.e., affecting a restricted type of immune response to a narrow group of antigens. The therapeutic efficacy of many biological response modifiers is related to their antigen-specific immunoadjuvanticity.
Antigens that exist in alternative (allelic) forms in a single species. When an isoantigen is encountered by species members who lack it, an immune response is induced. Typical isoantigens are the BLOOD GROUP ANTIGENS.
Cells artificially created by fusion of activated lymphocytes with neoplastic cells. The resulting hybrid cells are cloned and produce pure MONOCLONAL ANTIBODIES or T-cell products, identical to those produced by the immunologically competent parent cell.
A melanosome-associated protein that plays a role in the maturation of the MELANOSOME.
The genetic region which contains the loci of genes which determine the structure of the serologically defined (SD) and lymphocyte-defined (LD) TRANSPLANTATION ANTIGENS, genes which control the structure of the IMMUNE RESPONSE-ASSOCIATED ANTIGENS, HUMAN; the IMMUNE RESPONSE GENES which control the ability of an animal to respond immunologically to antigenic stimuli, and genes which determine the structure and/or level of the first four components of complement.
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.
A technique that combines protein electrophoresis and double immunodiffusion. In this procedure proteins are first separated by gel electrophoresis (usually agarose), then made visible by immunodiffusion of specific antibodies. A distinct elliptical precipitin arc results for each protein detectable by the antisera.
Form of passive immunization where previously sensitized immunologic agents (cells or serum) are transferred to non-immune recipients. When transfer of cells is used as a therapy for the treatment of neoplasms, it is called adoptive immunotherapy (IMMUNOTHERAPY, ADOPTIVE).

CD147 monoclonal antibodies induce homotypic cell aggregation of monocytic cell line U937 via LFA-1/ICAM-1 pathway. (1/318)

CD147 is a 50 000-60 000 MW glycoprotein of the immunoglobulin superfamily broadly expressed on haemopoietic cell lines and peripheral blood cells. In the present study, six monoclonal antibodies (mAbs) directed against the CD147 protein were generated. The antigen defined by the generated CD147 mAbs is widely expressed on haemopoietic cell lines, peripheral blood cells and is a lymphocyte activation-associated cell surface molecule. The generated CD147 mAbs precipitated a broad protein band from U937 cells of 45 000-65 000 MW under reducing conditions. Functional analysis indicated that the CD147 mAbs markedly induced homotypic cell aggregation of U937 cells, but not K562 cells. The CD147 mAb-induced cell aggregation was inhibited by leucocyte function-antigen-1 (LFA-1) and intercellular adhesion molecule-1 (ICAM-1) mAbs. However, the expression of LFA-1 and ICAM-1 molecules on U937 was not altered by CD147 mAb treatment. The U937 cell aggregation induced by CD147 mAb was also inhibited by ethylenediamine tetra-acetic acid (EDTA), sodium azide and when incubated at 4 degrees. We therefore propose that the binding of CD147 mAb to CD147 molecule, which mimics the natural ligand binding, may generate intracellular signals that activate LFA-1/ICAM-1 intercellular adhesion pathway.  (+info)

T cell activation-associated epitopes of CD147 in regulation of the T cell response, and their definition by antibody affinity and antigen density. (2/318)

CD147 is a broadly expressed cell surface glycoprotein of the Ig superfamily whose expression is up-regulated upon T cell activation. In order to elucidate a possible role of CD147 in T cell biology, we established 15 specific mAb. Seven distinct epitopes were defined by the mAb panel. Most of the mAb bound only to phytohemagglutinin (PHA)-activated but not resting T cells. We demonstrate that this was not because of true expression of activation-dependent neoepitopes but rather due to bivalent binding of the relatively low-affinity mAb (affinity constant KA values between 2.25 x 10(8) and 7 x 10(9) M-1) to the more densely expressed and/or more clustered CD147 molecules on the activated T cells. In contrast, the mAb with higher affinity (KA > 7 x 10(9) M-1) could stably bind in a monovalent fashion even to the relatively low dense CD147 molecules on resting T cells. This model might more generally explain the nature of 'activation epitopes' described previously in other leukocyte surface molecules. Finally, we provide evidence that induction of ordered dimerization of CD147 by a mAb directed to a unique epitope results in strong inhibition of CD3-mediated T cell activation.  (+info)

Differential expression of novel abundant and highly regionalized mRNAs of the canine epididymis. (3/318)

Three novel gene products have been cloned by differential screening of a dog epididymis cDNA library as part of a global appraisal of specific gene expression in the epididymis. The predicted proteins were provisionally named CE8-CE10 (for canine epididymal gene products 8-10). Northern blot analyses and in situ transcript hybridization confirmed that the cDNAs were all derived from tissue-specific, moderately to highly abundant mRNAs of the epididymal epithelium, showing a distinct regionalized expression pattern within the epididymal duct. Their sequences predict (i) a novel 19 kDa member of the Ly-6-domain protein superfamily (CE8), (ii) an approximately 30 kDa protein with multiple membrane-spanning regions (CE9), and (iii) a novel approximately 13 kDa single whey acidic protein domain protein (CE10). Closely related, cross-hybridizing gene products were abundant in the epididymis of stallions and bulls, but not in rodents or men. Changes in mRNA frequency were observed that specifically correlated with a cryptorchid situation and with the age of the dogs. Gene products restricted to the caput epididymidis were affected by both conditions, while those with a wider regional distribution were not.  (+info)

Increased expression of extracellular matrix metalloproteinase inducer in rheumatoid synovium. (4/318)

OBJECTIVE: To investigate the expression of extracellular matrix metalloproteinase inducer (EMMPRIN) in the synovial membrane of patients with rheumatoid arthritis (RA) and osteoarthritis (OA). METHODS: Mouse monoclonal antibody against human EMMPRIN was applied according to an avidin-biotin-peroxidase complex method to reveal EMMPRIN expression. Western blotting and reverse transcriptase-polymerase chain reaction (RT-PCR) were performed to check for the presence of EMMPRIN protein and messenger RNA (mRNA). RESULTS: EMMPRIN immunoreactivity was more intense in RA than in OA synovial membrane (P < 0.01). EMMPRIN staining was more widespread in RA than in OA, especially in association with macrophage infiltrates. RT-PCR of synovial membrane samples disclosed the presence of EMMPRIN mRNA. Nucleotide sequencing of the PCR amplification products confirmed the identity of the amplified bands. Immunoblot analysis revealed 55-kd glycosylated EMMPRIN bands, which were particularly prominent in RA samples. CONCLUSION: The expression of EMMPRIN is upregulated in the rheumatoid synovial membrane. EMMPRIN can induce local production of at least MMPs 1, 2, and 3, and can thereby play a role in joint destruction in RA.  (+info)

EMMPRIN (CD147), an inducer of matrix metalloproteinase synthesis, also binds interstitial collagenase to the tumor cell surface. (5/318)

Extracellular matrix metalloproteinase inducer (EMMPRIN), also known as basigin or CD147, is a glycoprotein that is enriched on the surface of tumor cells and stimulates production of several matrix metalloproteinases by adjacent stromal cells. In this study, we have found that EMMPRIN not only stimulates the production of interstitial collagenase (MMP-1) but also forms a complex with MMP-1 at the tumor cell surface. Complex formation was demonstrated by phage display, affinity chromatography, and immunocytochemistry. Presentation of MMP-1 complexed to EMMPRIN at the tumor cell surface may be important in modifying the tumor cell pericellular matrix to promote invasion.  (+info)

The expression and cellular localization of the sperm flagellar protein MC31/CE9 in the rat testis: possible posttranscriptional regulation during rat spermiogenesis. (6/318)

We isolated the MC31 cDNA clone coding the antigen specifically recognized by the monoclonal antibody mMC31, and found that MC31 was identical to rat CE9. Therefore, this molecule is called MC31/CE9. MC31/CE9, a member of the immunoglobulin superfamily molecules, was localized on the rat sperm flagellar plasma membrane. We analyzed the expression and cellular localization of MC31/CE9 mRNA and protein in the adult rat testis by use of Northern hybridization, in situ hybridization, and immunohistochemical analyses. In the course of spermatogenesis, MC31/CE9 mRNA first appeared in type B spermatogonia. The mRNA signal intensity increased progressively to pachytene spermatocytes and remained constantly at a considerable level throughout the subsequent phases of spermatocytes and round spermatids, and then decreased gradually from step-11 spermatids to disappear in step-15 spermatids. On the other hand, MC31/CE9 protein expression showed a bimodal pattern. Immunohistochemical analysis for the MC31/CE9 protein revealed its most intense immunoreactivity on the flagella of step-8 to step-19 elongated spermatids. The cytoplasmic immunoreactivity of the MC31/CE9 protein also appeared in preleptotene to early pachytene spermatocytes and elongated spermatids, with particularly intense immunoreactivity in the Golgi complexes of zygotene and early pachytene spermatocytes (stage XIII to III) as well as step-8 to step-13 spermatids. Between these two phases, the MC31/CE9 protein proved undetectable in the cytoplasm of any spermatogenic cells. Sertoli cells and Leydig cells were devoid of MC31/CE9 mRNA and its protein. Therefore, the production of MC31/CE9 is thought to be posttranscriptionally regulated during spermiogenesis.  (+info)

Expression patterns of chondrocyte genes cloned by differential display in tibial dyschondroplasia. (7/318)

Tibial dyschondroplasia (TD) appears to involve a failure of the growth plate chondrocytes within growing long bones to differentiate fully to the hypertrophic stage, resulting in a mass of prehypertrophic chondrocytes which form the avascular TD lesion. Many biochemical and molecular markers of chondrocyte hypertrophy are absent from the lesion, or show reduced expression, but the cause of the disorder remains to be identified. As differentiation to the hypertrophic state is impaired in TD, we hypothesised that chondrocyte genes that are differentially expressed in the growth plate should show altered expression in TD. Using differential display, four genes, B-cadherin, EF2, HT7 and Ex-FABP were cloned from chondrocytes stimulated to differentiate to the hypertrophic stage in vitro, and their differential expression confirmed in vivo. Using semi-quantitative RT-PCR, the expression patterns of these genes were compared in chondrocytes from normal and TD growth plates. Surprisingly, none of these genes showed the pattern of expression that might be expected in TD lesion chondrocytes, and two of them, B-cadherin and Ex-FABP, were upregulated in the lesion. This indicates that the TD phenotype does not merely reflect the absence of hypertrophic marker genes, but may be influenced by more complex developmental mechanisms/defects than previously thought.  (+info)

Homo-oligomer formation by basigin, an immunoglobulin superfamily member, via its N-terminal immunoglobulin domain. (8/318)

Basigin (Bsg) is a highly glycosylated transmembrane protein with two immunoglobulin (Ig)-like domains. A number of studies, including gene targeting, have demonstrated that Bsg plays pivotal roles in spermatogenesis, implantation, neural network formation and tumor progression. In the present study, to understand the mechanism of action of Bsg, we determined its expression status on the plasma membrane. Cotransfection of Bsg expression vectors with two different tags clarified that Bsg forms homo-oligomers in a cis-dependent manner on the plasma membrane. If the disulfide bond of the more N-terminally located Ig-like domain was destroyed by mutations, Bsg could not form oligomers. In contrast, the mutations of the C-terminal Ig-like domain or N-glycosylation sites did not affect the association. The association of mouse and human Bsgs, which exhibit high homology in the transmembrane and intracellular domains but low homology in the extracellular domain, was very weak as compared with that within the same species, suggesting the importance of the extracellular domain in the association. If the extracellular domain of the human Ret protein was replaced with the N-terminal Ig-like domain of Bsg, the resulting chimera protein was associated with intact wild-type Bsg, but not if the C-terminal Ig-like domain, instead of the N-terminal one, of Bsg was used. No oligomer formation took place between the intact wild-type Ret and Bsg proteins. In conclusion, these data indicate that the N-terminal Ig-like domain is necessary and sufficient for oligomer formation by Bsg on the plasma membrane.  (+info)

TY - JOUR. T1 - Extracellular matrix metalloproteinase inducer (CD147) confers resistance of breast cancer cells to anoikis through inhibition of bim. AU - Yang, Jin Ming. AU - ONeill, Peter. AU - Jin, Wei. AU - Foty, Ramsey. AU - Medina, Daniel J.. AU - Xu, Zude. AU - Lomas, Mehnaaz. AU - Arndt, Greg M.. AU - Tang, Yi. AU - Nakada, Marian. AU - Yan, Li. AU - Hait, William N.. PY - 2006/4/7. Y1 - 2006/4/7. N2 - Overexpression of extracellular matrix metalloproteinase inducer (EMMPRIN or CD147), a member of the immunoglobulin family and a glycoprotein enriched on the surface of tumor cells, promotes invasion, metastasis, and growth and survival of malignant cells and confers resistance to some chemotherapeutic drugs. However, the molecular mechanisms underlying the actions of EMMPRIN are not fully understood. In this study we sought to determine whether EMMPRIN contributes to the malignant phenotype of breast cancer by inhibiting anoikis, a form of apoptosis induced by loss or alteration of ...
Introduction: We have shown that interleukin (IL)-18 plays a role in myocardial injury and remodeling via induction of matrix metalloproteinases (MMPs) and other proinflammatory cytokines. Since the matricellular protein EMMPRIN (basigin/CD147) is a potent inducer of MMPs, we investigated if IL-18 and EMMPRIN expression is cross-regulated, and whether IL-18-induced MMP9 expression is EMMPRIN-dependent.. Methods and results: IL-18 potently induced EMMPRIN expression and secretion in adult mouse cardiomyocytes (ACM; inhibited by IL-18 neutralizing antibodies and IL-18BP-Fc). IL-18 stimulated both Sp1 and NF-κB activations in ACM. In neonatal mouse cardiomyocytes (NMCM), IL-18 stimulated EMMPRIN promoter activity was inhibited by mithramycin and over-expressed mutant Sp1, but not by dominant negative (dn) p65, dnIκB-α, or kdIKKβ. Mutation of the Sp1 binding sites blunted IL-18-stimulated EMMPRIN promoter activity. Transduction with adenoviral dominant negative constructs showed that IL-18 ...
Interaction between cancer cells and fibroblasts mediated by extracellular matrix metalloproteinase inducer (emmprin, CD147) is important in the invasion and proliferation of cancer cells. However, the exact mechanism of emmprin mediated stimulation of matrix metalloprotease-2 (MMP-2) production from fibroblasts has not been elucidated. Our previous studies using an inhibitory peptide against emmprin suggested the presence of a molecule on the cell membrane which forms a complex with emmprin. Here we show that CD73 expressed on fibroblasts interacts with emmprin and is a required factor for MMP-2 production in co-cultures of sarcoma cells with fibroblasts. CD73 along with CD99 was identified by mass spectrometry analysis as an emmprin interacting molecule from a co-culture of cancer cells (epithelioid sarcoma cell line FU-EPS-1) and fibroblasts (immortalized fibroblasts cell line ST353i). MMP-2 production was measured by immunoblot and ELISA. The formation of complexes of CD73 with emmprin was confirmed
Interaction between cancer cells and fibroblasts mediated by extracellular matrix metalloproteinase inducer (emmprin, CD147) is important in the invasion and proliferation of cancer cells. However, the exact mechanism of emmprin mediated stimulation of matrix metalloprotease-2 (MMP-2) production from fibroblasts has not been elucidated. Our previous studies using an inhibitory peptide against emmprin suggested the presence of a molecule on the cell membrane which forms a complex with emmprin. Here we show that CD73 expressed on fibroblasts interacts with emmprin and is a required factor for MMP-2 production in co-cultures of sarcoma cells with fibroblasts. CD73 along with CD99 was identified by mass spectrometry analysis as an emmprin interacting molecule from a co-culture of cancer cells (epithelioid sarcoma cell line FU-EPS-1) and fibroblasts (immortalized fibroblasts cell line ST353i). MMP-2 production was measured by immunoblot and ELISA. The formation of complexes of CD73 with emmprin was confirmed
CD147 (basigin, neurothelin, OX-47, 5A11, CE9, M6) also known as EMMPRIN (extracellular matrix metalloproteinase inducer) or TCSF (tumour cell-derived collagenase-stimulatory factor) is an ubiquitously expressed cell surface protein with multiple glycosylated forms. The highest level of CD147 expression is on metabolically active cells, such as lymphoblasts, inflammatory cells, brown adipocytes and malignant tumour cells. CD147 has multiple functions, including facilitating of cell surface expression of monocarboxylate transporter proteins and extracellular matrix metalloproteinases, regulation of integrin functions, it plays roles in cell development and activation, fetal development or retinal function ...
(2010) Mishra et al. Reproductive Biology and Endocrinology. Background: Extracellular matrix metalloproteinase inducer (EMMPRIN) regulates several biological functions involving the modulation of cell behaviors via cell-cell and cell-matrix interactions. According to its diverse functions, we hy...
In the current study, we observed that pelvic lymph node metastases, which represent the tumor invasion and metastatic capability, were significantly associated with EMMPRIN overexpression. These results suggest that EMMPRIN expression in cervical cancer is associated with tumor invasion and metastasis. Our results are consistent with the previous reports of the roles of EMMPRIN in tumor progression (14), including gliomas (15), hepatoma (16), squamous cell carcinoma (17), and melanoma (18, 19). Furthermore, EMMPRIN was shown to be the most frequently expressed protein in primary tumors and in micrometastatic cells (20), and EMMPRIN score was significantly correlated with nodal stage (14), suggesting a central role in tumor progression and early metastasis. To our knowledge, this is the first study that investigates the expression of EMMPRIN and its clinical significance in radiotherapy outcome in cervical carcinoma. Interpretation of the results is aided by the homogeneous radiotherapy before ...
Polyclonal antibody for 575 detection. Host: Rabbit.Size: 100μg/vial. Tested applications: WB. Reactive species: Human. 575 information: Molecular Weight: 42200 MW; Subcellular Localization: Cell membrane ; Single-pass type I membrane protein . Melanosome
Shop a large selection of products and learn more about EMMPRIN/CD147 Rabbit anti-Mouse, DyLight 405, Clone: 41, Novus Biologicals 0.1 mL; DyLight 405.
Goat Polyclonal Anti-EMMPRIN/CD147 Antibody [Unconjugated]. Validated: WB, Simple Western, IHC. Tested Reactivity: Human. 100% Guaranteed.
Among other proteinases such as serine, cysteine, and aspartate proteinases, matrix MMPs have been shown to be essential for degradation of articular matrix as they not only cleave extracellular matrix components10 but also cleave each other, resulting in a domino effect of MMP propeptide and MMP activation.10 This is further supported by recently discovered extracellular MMP inducers that are closely associated with MMP-1 and MMP-3 synthesis in RA-SF.11 In total, about 20 members of the growing family of matrix MMPs are currently known (MMPs 1-3, 7-17, 19-21, 23, and 24), of which some belong to membrane-type (MT) MMPs-for example, MT1-MMP (MMP-14) and MT3-MMP (MMP-16) and to the MMP subfamily of aggrecanases.2. Numerous researchers have provided a large body of data showing that MMP-1 and MMP-3 are most important for joint destruction in RA.10 The present study underlines this hypothesis by associating MMP-1 and MMP-3 expression directly with a functional parameter-that is, the number of cells ...
H-ras transformed human bronchial epithelial cells (TBE-1) secrete a single major extracellular matrix metalloprotease which is not found in the normal parental cells. The enzyme is secreted in a latent form which can be activated to catalyze the cleavage of the basement membrane macromolecule type IV collagen. The substrates in their order of preference are: gelatin, type IV collagen, type V collagen, fibronectin, and type VII collagen; but the enzyme does not cleave the interstitial collagens or laminin. This protease is identical to gelatinase isolated from normal human skin explants, normal human skin fibroblasts, and SV40-transformed human lung fibroblasts. Based on this ability to initiate the degradation of type IV collagen in a pepsin-resistant portion of the molecule, it will be referred to as type IV collagenase. This enzyme is most likely the human analog of type IV collagenase detected in several rodent tumors. Type IV collagenase consists of three domains. Type IV collagenase ...
Photoreceptor nuclei were visualized with an antibody against elav, a neuron-specific nuclear protein. Normally, photoreceptor nuclei lie in tight rows across the eye (e.g. Fig. 6C), so that any mislocalization is readily detected. The nuclei of the R1-R6 photoreceptors lie in the apical region of the retina (Fig. 6C). The nuclei of the R7 photoreceptors are just proximal to those of R1-R6 and the R8 nuclei lie near the basement membrane of the retina (Fig. 6C).. Photoreceptor nuclei of mosaic flies mutant in the eye for the hypomorphic P1096 allele, which encodes a nuclear β-gal, were visualized with anti-β-gal (Fig. 5A). Most nuclei were properly located, although a few nuclei were misplaced (Fig. 6A). We saw similar results for these mosaics with anti-elav (not shown). In mosaics that are mutant in the eye for the bsgδ265 excision allele, elav immunolabeling revealed that 16-50% of photoreceptor nuclei were mislocalized (Fig. 6B). Nuclei were counted as misplaced only if they were ...
Shop Basigin ELISA Kit, Recombinant Protein and Basigin Antibody at MyBioSource. Custom ELISA Kit, Recombinant Protein and Antibody are available.
The expression of EMMPRIN and its role in regulating stromal MMP expression have been extensively studied in various cancer types (2, 5-11, 18-20). The signaling events downstream of EMMPRIN-mediated tumor-host interactions that result in stimulation of MMP production are not yet fully established. The p38 MAPK has been implicated in inducing MMP-1 production (21); similarly, signaling through 5-lipooxygenase and phospholipase A2 may contribute to MMP-2 production (22). Recently, EMMPRIN has been shown to also participate in other activities during cancer progression not directly related to its function as a MMP stimulator (1). For example, EMMPRIN has been shown to potentiate tumor cell anchorage-independent growth (23), a phenomenon that is characteristic of malignant cancer cells, and may be related to multidrug resistance in cancer cells (24). These effects of EMMPRIN were shown to depend on stimulation of production of hyaluronan, a pericellular polysaccharide (23, 24), and cell survival ...
EMMPRIN down-regulation by scFv-M6-1B9 intrabody affecting decline of CEA level. Caco-2 cells transduced for 7 days and 10 days were collected as the supernatan
Mouse CD147 / EMMPRIN / Basigin derived in Human Cells. The whole cell lysate is provided in 1X Sample Buffer.Browse all transfected cell lysate positive controls
If you know of any papers that use this antibody, please contact us at antibodies [at] alzforum [dot] org for consideration in the References section.. ...
Can our products be used on different species? The simple answer is yes. BSG offers distinct and diverse separations tools that work with virtually all species. Read to learn more.
Farm leaders in Northern Ireland are pushing government officials to apply for a change in BSE status in a bid to increase beef prices. The Ulster Farmers
TY - JOUR. T1 - Novel approach to inhibit asthma-mediated lung inflammation using Anti-CD147 intervention. AU - Gwinn, William M.. AU - Damsker, Jesse M.. AU - Falahati, Rustom. AU - Okwumabua, Ifeanyi. AU - Kelly-Welch, Ann. AU - Keegan, Achsah D.. AU - Vanpouille, Christophe. AU - Lee, James J.. AU - Dent, Lindsay A.. AU - Leitenberg, David. AU - Bukrinsky, Michael I.. AU - Constant, Stephanie L.. PY - 2006/10/1. Y1 - 2006/10/1. N2 - Extracellular cyclophilins have been well described as chemotactic factors for various leukocyte subsets. This chemotactic capacity is dependent upon interaction of cyclophilins with the cell surface signaling receptor CD147. Elevated levels of extracellular cyclophilins have been documented in several inflammatory diseases. We propose that extracellular cyclophilins, via interaction with CD147, may contribute to the recruitment of leukocytes from the periphery into tissues during inflammatory responses. In this study, we examined whether extracellular ...
Basigin is a member of the immunoglobulin superfamily, with a structure related to the putative primordial form of the family. As members of the immunoglobulin superfamily play fundamental roles in intercellular recognition involved in various immunologic phenomena, differentiation, and development, basigin is thought also to play a role in intercellular recognition (Miyauchi et al., 1991; Kanekura et al., 1991).[9][10] It has a variety of functions. In addition to its metalloproteinase-inducing ability, basigin also regulates several distinct functions, such as spermatogenesis, expression of the monocarboxylate transporter and the responsiveness of lymphocytes.[6] Basigin is a type I integral membrane receptor that has many ligands, including the cyclophilin (CyP) proteins Cyp-A and CyP-B and certain integrins.[11][12][13] It is expressed by many cell types, including epithelial cells, endothelial cells and leukocytes. The human basigin protein contains 269 amino acids that form two heavily ...
Blog on BSG elisa kit product: The Human BSG bsg (Catalog #MBS701560) is an ELISA Kit and is intended for research purposes only. The pr...
Thermo Scientific™ Sino Biological™ BSG (CD147) Recombinant Mouse Protein, His Tag 5 x 50ug Thermo Scientific™ Sino Biological™ BSG...
Mouse monoclonal antibody raised against recombinant BSG. Recombinant protein corresponding to human BSG. (MAB3633) - Products - Abnova
Basigin je član imunoglobulinske superfamilije sa strukturom koja je srodna mogućem primordijalnoj formi pripadajuće superfamilije. Kao takav ima temeljnu ulogu u unutarćelijskom prepoznavanju koje je uključeni u različite imunološke fenomene, diferencijaciju u razvoj, a za njega se također smatra da ima ulogu i u unutarćelijskom prepoznavanju (Miyauchi et al., 1991; Kanekura et al., 1991).[4][5] Ova supstanca kma različite funkcije. Pored sposobnosti induciranja metaloproteinaze, također regulira i nekoliko distinktnih funkcija, kao što je u spermatogeneza, monocarboksilatni transport i tipa odgovornosti limfocita. Basigin je tip integralnog membranskog receptora koji ima mnoge ligande, uključujući iciklofilin (CyP) proteine Cyp-A i CyP-B i izvjesne integrine.[6][7][8]Ispoljava se u mnogim tipovima a ćelija, uključujući i epitelne, endotelne ćelije i leukocite. Ljudski basigin protein sadrži 269 aminokiselina, koje čine dva jako glikozilirana imunoglobulina tipa C2 domena ...
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The cell-surface glycoprotein basigin - also known as EMMPRIN - enhances growth and invasiveness of human metastatic tumours by stimulating secretion of matrix metalloproteinases (MMPs), which remodel the extracellular matrix. Now, however, Kathryn Curtin and colleagues report that basigin can also have dramatic effects on internal cell architecture (see p. 2649-2660). They show that the Drosophila homologue, D-basigin, promotes integrin-dependent cytoskeletal rearrangements and lamellipodia formation in cultured insect cells. In vivo, loss of D-basigin in photoreceptors leads to misplaced nuclei and other structural changes that suggest disruption of the cytoskeleton; these changes can be rescued by fly or mouse basigin. The authors also report that D-basigin colocalizes with integrins in cultured insect cells and in the fly visual system, and partly colocalizes with actin in cultured insect cells, possibly indirectly through its interaction with integrins. Most importantly, D-basigin interacts ...
The downside is that cake yeast spoils very quickly, so its best when used within a day of buying it. You can also freeze cake yeast. These are the absolute best dinner rolls. If you enjoy baked goods, you are probably eating yeast. You can consume cooked onions or can incorporate them into your salads as well. Non-essen tial amino a cids BSG Malt Barley Essential a mino acids BSG Mal t Barley Histidine 26.27 1.90 1.59 Lysine 14.31 3.69 2.52 Glutamic acid 16.59 0.75 0.85 Leucine 6.12 0.29 0.30 This yeast has required alot of effort. Add sugar, shortening, egg, salt, and half of flour; beat at low speed with an electric mixer until smooth. The absorption and utilization of food by the body is fundamental to nutrition and is facilitated by digestion. Prepare 24 hours ahead of time. If you think you may have a yeast infection, the first thing you should do is talk to your medical provider. 1 1/2 cups milk. In fact, both couriers have indefinitely suspended ALL service guarantees. By stimulating ...
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ExiSpin™ has the functions of a vortexer as well as a microcentrifuge and will significantly save your time in the lab. ExiSpin™ comes complete with rotor for 4 x 8-strip tubes and 12 x 1.5/2.0 ml tubes. Use it for Minipreps, to resuspend oligos, set up your PCR reaction, or any task that requires vortexing in micro test tube or 0.2 ml PCR tubes ...
TY - JOUR. T1 - Lactate Transporter Monocarboxylate Transporter 4 Induces Bone Pain in Head and Neck Squamous Cell Carcinoma. AU - Hasegawa, Kazuaki. AU - Okui, Tatsuo. AU - Shimo, Tsuyoshi. AU - Ibaragi, Soichiro. AU - Kawai, Hotaka. AU - Ryumon, Shoji. AU - Kishimoto, Koji. AU - Okusya, Yuka. AU - Monsur Hassan, Nur Mohammad. AU - Sasaki, Akira. PY - 2018/10/25. Y1 - 2018/10/25. N2 - Head and neck squamous cell carcinoma (HNSCC) poses a significant challenge clinically, as it can invade facial bones and cause bone pain that is undertreated and poorly understood. Here we studied HNSCC bone pain (HNSCC-BP) in an intratibial mouse xenograft model that uses a human HNSCC cell line (SAS cells). These mice develop HNSCC-BP associated with an upregulation of phosphorylated ERK1/2 (pERK1/2), which is a molecular indicator of neuron excitation in the dorsal root ganglia (DRGs) of sensory nerve cell bodies. Our experiments demonstrated that the inhibition of monocarboxylate transporter 4 (MCT4) by short ...
Adeno Associated Virus 9-Based Gene Therapy Delivers a Functional Monocarboxylate Transporter 8, Improving Thyroid Hormone Availability to the Brain of Mct8-Deficient Mice ...
Paper III. Lauritzen, F., Heuser, K., de Lanerolle, N.C., Lee, T-S.W., Spencer, D.D., Kim, J.H., Eid, T., Bergersen, L.H. (2012) Redistribution of monocarboxylate transporter 2 on the surface of astrocytes in the human epileptogenic hippocampus. This is the pre-peer reviewed version of the article, which has been published in final form at: Glia 60(7), 1172-1181, July 2012. The published version of this paper is available at: https://doi.org/10.1002/glia.22344 ...
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SWISS-MODEL Repository entry for C4ZUK7 (KEFG_ECOBW), Glutathione-regulated potassium-efflux system ancillary protein KefG. Escherichia coli (strain K12 / MC4100 / BW2952)
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TY - JOUR. T1 - Identification of an ancillary protein, YabF, required for activity of the KefC glutathione-gated potassium efflux system in Escherichia coli. AU - Miller, S.. AU - Ness, L. S.. AU - Wood, C. M.. AU - Fox, B. C.. AU - Booth, I. R.. N1 - Copyright: Copyright 2007 Elsevier B.V., All rights reserved.. PY - 2000. Y1 - 2000. N2 - A new subunit, YabF, for the KefC K+ efflux system in Escherichia coli has been identified. The subunit is required for maximum activity of KefC. Deletion of yabF reduces KefC activity 10-fold, and supply of YabF in trans restores activity. IS2 and IS10R insertions in yabF can be isolated as suppressors of KefC activity consequent upon the V427A and D264A KefC mutations.. AB - A new subunit, YabF, for the KefC K+ efflux system in Escherichia coli has been identified. The subunit is required for maximum activity of KefC. Deletion of yabF reduces KefC activity 10-fold, and supply of YabF in trans restores activity. IS2 and IS10R insertions in yabF can be ...
Basigin (BSG) is a multifunctional glycoprotein that plays an important role in both female and male reproduction since female knockout (KO) mice are infertile and male KO mice are sterile. The aim of the present study was to determine 1) whether BSG is required for proliferation of the uterine luminal epithelium during early pregnancy in preparation for implantation; 2) whether BSG is required for HESCs decidualization; and 3) whether BSG is essential for the interactions between gametes and Sertoli cells during spermatogenesis. BSG protein was expressed in the uterine epithelium at estrus in βERKO mice but not in αERKO mice. However, a higher level of Bsg mRNA was observed in the uteri of αERKO mice as compared with wild type (WT) and βERKO mice. In the mouse, estrogen alone induces the proliferation of both luminal and glandular epithelial cells during early pregnancy. On day 1 of pregnancy, the expression levels of ERα and a well-known estrogen responsive gene, MUC1, appeared to be ...
J.P. Monson, H.K. Metcalfe, R.D. Cohen, S.G. Welch; Ketones Inhibit Lactate Removal by Inhibition of Hepatocyte Plasma Membrane Lactate Transporter. Clin Sci (Lond) 1 December 1985; 69 (s12): 45P. doi: https://doi.org/10.1042/cs069045P. Download citation file:. ...
Proton-linked monocarboxylate transporter. Catalyzes the rapid transport across the plasma membrane of many monocarboxylates such as lactate, pyruvate, branched-chain oxo acids derived from leucine, valine and isoleucine, and the ketone bodies acetoacetate, beta-hydroxybutyrate and acetate (By similarity ...
Primary liver cancer (hereinafter abbreviated as PLC) is one of the most common types of malignant tumors in clinical practices. Its global prevalence is rising year-on-year and surpasses 626,000 per year. Ranking at No. 5 among all malignant tumors, its mortality rate approaches 600,000 per year and becomes No.3 of tumor-related death. As one of the prevalent regions of PLC in the world, China has a morbidity population of around 55%. Among the tumor-related death, it stands at No. 2 second only to lung cancer. So PLC has been a major hazard to health and life for Chinese citizens. Surgical resection has remained the first therapeutic choice of PLC. However, the disease course of PLC is insidious. In clinical practices, less than 30% of PLC patients may be treated surgically by hepatectomy. And their postoperative occurrences of recurrence and metastasis stay at a high level. As demonstrated by large-sample clinical trials in China, the 5-year postoperative recurrent rate of PLC was as high as ...
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AR-C155858 is a potent inhibitor of monocarboxylate transporters MCT1 and MCT2 that binds to an intracellular site involving transmembrane helices 7-10.
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This image shows the perineurial glia that ensheath the nervous system in Drosophila. Perlecan tagged with GFP (green) marks the extracellular matrix that tightly associates with the perineurial glia (labeled with a red, RFP-tagged membrane marker). The perineurial glia in turn ensheath the entire peripheral nerve including the peripheral axons (labeled in blue) at the core of each nerve. The transmembrane protein Basigin interacts with integrins at focal adhesions to regulate the interaction of integrins with the extracellular matrix, and loss of Basigin leads to compression of the peripheral nerve. For more information, see the article by Hunter et al. (pages 3360-3373). ...
So why did the cylons return after 40 years? Was it to merge the species, sweep away the old pagan rituals, and establish the kingdom of the one God? Was it to simply exterminate humanity. (Ive never thought this was plausible.) Was it to fulfill the prophesies and return to Earth ...
Second night of episode 107 for our Battlestar Galactica campaign. The crew are tracking an archeologist from the University of Leonis that was at the Sagittaron dig thats causing all the social and political strife in our game world after they found out he was a doppleganger of a missing astronomer rom a deep-range outpost that…
CD147 antibody [4D3] (basigin (Ok blood group)) for ICC/IF, IHC-P, WB. Anti-CD147 mAb (GTX84799) is tested in Human samples. 100% Ab-Assurance.
This report studies the global Heavy Aklyl Benzenes (HAB) market status and forecast, categorizes the global Heavy Aklyl Benzenes (HAB) market size (value & volume) by key players, type, application, and region. This report focuses on the top pla
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On Wed, Feb 13, 2002 at 05:14:57PM -0800, Thomas Bushnell, BSG wrote: , Debian Policy is correct by requiring everything in /etc to be a , conffile. Debian Policy would be incorrect if it required that. Fortunately, it does not. However, it does forbid configuration files from being included in binary packages unless they are listed as conffiles, which is what I think you are referring to here. , Emacs Policy, by requiring startup files, even ones that are not , configuration files, to be in /etc, thus in effect requires that they , always be conffiles. Is there any way for the admin to disable loading/autoloading of an installed elisp package other than editing these files? If not, then they should be configuration files so that this is possible. -- - mdz ...
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It binds to the antigen CD147. Gavilimomab proved slightly less effective than standard antithymocyte globulin therapy. It was ...
1997). "The Oka blood group antigen is a marker for the M6 leukocyte activation antigen, the human homolog of OX-47 antigen, ... Wang WJ, Li QQ, Xu JD, Cao XX, Li HX, Tang F, Chen Q, Yang JM, Xu ZD, Liu XP (2008). "Interaction between CD147 and P- ... December 2020). "CD147-spike protein is a novel route for SARS-CoV-2 infection to host cells". Signal Transduction and Targeted ... There are three known antigens in the Ok system; the most common being Oka (also called OK1), OK2 and OK3. Basigin has been ...
... antigens, cd24 MeSH D23.050.285.025 - antigens, cd30 MeSH D23.050.285.040 - antigens, cd147 MeSH D23.050.285.050 - antigens, ... antigens, cd147 MeSH D23.050.301.264.035.264 - antigens, cd164 MeSH D23.050.301.264.035.270 - antigens, thy-1 MeSH D23.050. ... antigens, cd147 MeSH D23.101.100.110.264 - antigens, cd164 MeSH D23.101.100.110.270 - antigens, thy-1 MeSH D23.101.100.110.280 ... antigens, cd15 MeSH D23.101.100.900.131 - antigens, cd31 MeSH D23.101.100.920 - antigens, ly MeSH D23.101.100.930 - antigens, ...
CD147 ie EMMPRIN), Indian(CD44), Duffy (Duffy antigen/chemokine receptor or Fy), Scianna (ERMAP), MN (glycophorin A), Diego( ... Antigens on RBC membrane, and some of which might overlap with KLF1 mutations causing the fraction of hereditary persistence of ... Permissive nature of the role of KLF1 on expression of several RBC antigens are evidenced by a series of known KLF1 mutations ... but there is an apparent dominant negative effect on expression of Lutheran Antigen (Basal cell adhesion Molecule) after which ...
Extracellular Matrix Metalloproteinase inducer) - EMMPRIN) ili klaster diferencijacije 147 (CD147) je protein koji je kod ljudi ... Kasinrerk W, Fiebiger E, Stefanová I, Baumruker T, Knapp W, Stockinger H (1992). "Human leukocyte activation antigen M6, a ... Yurchenko V, O'Connor M, Dai W, Guo H, Toole B, Sherry B, Bukrinsky M (2001). "CD147 is a signaling receptor for cyclophilin B ... Kanekura T, Chen X, Kanzaki T (2002). "Basigin (CD147) is expressed on melanoma cells and induces tumor cell invasion by ...
This antigen along with other blood group antigens was used to identify the Basque people as a genetically separate group.[49] ... Because the Duffy antigen is uncommon in those of Black African descent, the presence of this antigen has been used to detect ... The Fy4 antigen, originally described on Fy (a-b-) RBCs, is now thought to be a distinct, unrelated antigen and is no longer ... The Duffy antigen is expressed in greater quantities on reticulocytes than on mature erythrocytes.[21] While the Duffy antigen ...
1995). "Reconstitution of the B cell antigen receptor signaling components in COS cells". The Journal of Biological Chemistry. ... Iacono, Kathryn T.; Brown, Amy L.; Greene, Mark I.; Saouaf, Sandra J. (December 2007). "CD147 Immunoglobulin Superfamily ... "Temporal Differences in the Activation of Three Classes of Non-Transmembrane Protein Tyrosine Kinases Following B-Cell Antigen ...
The enzyme it encodes catalyzes the production of H antigen. MORT (Mortal Obligate RNA Transcript, lincRNA): Gene map locus ... Gene map locus 19p13.2 BSG: Basigin (Ok blood group)/Extracellular matrix metalloproteinase inducer/CD147. Gene map locus ... 5: The ABO blood group". Blood Groups and Red Cell Antigens. Bethesda MD: National Center for Biotechnology Information. ... Gene map locus 19q13.32 PNMA8A: paraneoplastic Ma antigen family member 8A 19q13.32 DMPK: Dystrophia myotonica-protein kinase. ...
The transmembrane glycoprotein Basigin (BSG; CD147) was identified as an ApoD receptor. BSG is a membrane glycoprotein receptor ... "Differential expression of apolipoprotein-D and prostate specific antigen in benign and malignant prostate tissues". The ... Iacono, KT; Brown, AL; Greene, MI; Saouaf, SJ (December 2007). "CD147 immunoglobulin superfamily receptor function and role in ...
Wang WJ, Li QQ, Xu JD, Cao XX, Li HX, Tang F, Chen Q, Yang JM, Xu ZD, Liu XP (2008). "Interaction between CD147 and P- ... "Human HLTF functions as a ubiquitin ligase for proliferating cell nuclear antigen polyubiquitination". Proceedings of the ... "Polyubiquitination of proliferating cell nuclear antigen by HLTF and SHPRH prevents genomic instability from stalled ...
CD97 antigen je protein koji je kod ljudi kodiran CD97 genom.[1][2][3] ... CD147 • CD148 • CD150 ... and chromosomal mapping of the leukocyte activation antigen ... 2001). „Tissue distribution of the human CD97 EGF-TM7 receptor". Tissue Antigens. 57 (4): 325-31. PMID 11380941. doi:10.1034/j. ...
Tissue Antigens (англ.)русск. : journal. - 2007. - Vol. 68, no. 6. - P. 509-517. - DOI:10.1111/j.1399-0039.2006.00726.x. - PMID ...
1991). „Expression of the YB5.B8 antigen (c-kit proto-oncogene product) in normal human bone marrow". Blood. 78 (1): 30-7. PMID ... CD147 • CD148 • CD150 ... transduction-associated and cell activation-linked antigens ...
Seligman P. A., Butler C. D., Massey E. J., etal. The p97 antigen is mapped to the q24-qter region of chromosome 3; the same ... Le Beau M. M., Diaz M. O., Plowman G. D., etal. Chromosomal sublocalization of the human p97 melanoma antigen. (англ.) // Hum. ... Plowman G. D., Brown J. P., Enns C. A., etal. Assignment of the gene for human melanoma-associated antigen p97 to chromosome 3 ... Rose T. M., Plowman G. D., Teplow D. B., etal. Primary structure of the human melanoma-associated antigen p97 ( ...
1996). "CD88 antibodies specifically bind to C5aR on dermal CD117+ and CD14+ cells and react with a desmosomal antigen in human ... CD147 • CD148 • CD150 ...
... is a co-receptor of the T cell receptor (TCR) and assists the latter in communicating with antigen-presenting cells. The ... Leucocyte typing: human leucocyte differentiation antigens detected by monoclonal antibodies: specification, classification, ... T cells displaying CD4 molecules (and not CD8) on their surface, therefore, are specific for antigens presented by MHC II and ... CD1+Antigen at the US National Library of Medicine Medical Subject Headings (MeSH) ...
In addition to aiding with cytotoxic T cell antigen interactions the CD8 co-receptor also plays a role in T cell signaling. The ... the CD8 co-receptor plays a role in T cell signaling and aiding with cytotoxic T cell antigen interactions. ... This affinity keeps the T cell receptor of the cytotoxic T cell and the target cell bound closely together during antigen- ... Once the T cell receptor binds its specific antigen Lck phosphorylates the cytoplasmic CD3 and ζ-chains of the TCR complex ...
CD74 (англ. HLA class II histocompatibility antigen gamma chain; HLA-DR antigens-associated invariant chain) - мембранный белок ... II histocompatibility antigen gamma chaingamma chain of class II antigensIiHLA-DR antigens-associated invariant chainIa antigen ... Riberdy J.M., Newcomb J.R., Surman M.J., Barbosa J.A., Cresswell P. HLA-DR molecules from an antigen-processing mutant cell ... Machamer C.E., Cresswell P. Biosynthesis and glycosylation of the invariant chain associated with HLA-DR antigens (англ.) // ...
... su naspramni jedan drugom i formiraju antigen-vezujuće mesto, tako da molekul antitela sadrži dva antigen-vezujuća mesta. ... CD147/Basigin (Gavilimomab) • CD154 (Ruplizumab). BLyS (Belimumab) • CTLA-4 (Ipilimumab, Tremelimumab) • CAT (Bertilimumab, ... Funkcionira uglavnom kao antigen receptor na B-limfocitima koji nisu bili izloženi antigenima. Dokazano je da aktivira bazofile ... i spremnim da odgovore na antigen. Aktivacija B ćelija prati angažman ćelijski vezanih molekula antitijela sa antigenom, ...
van Rhenen A., van Dongen G. A., Kelder A., et al. The novel AML stem cell associated antigen CLL-1 aids in discrimination ...
A new ligand for human leukocyte antigen class II antigens". The Journal of Experimental Medicine. 176 (2): 327-37. doi:10.1084 ... A new ligand for human leukocyte antigen class II antigens". The Journal of Experimental Medicine. 176 (2): 327-37. doi:10.1084 ... antigen processing and presentation of exogenous peptide antigen via MHC class II. ... antigen binding. • transmembrane signaling receptor activity. • MHC class II protein binding. Cellular component. • membrane. • ...
Carcinoembryonic antigen-related cell adhesion molecule 5 (CEACAM5) also known as CD66e (Cluster of Differentiation 66e), is a ... 2001). "Heterogeneous RNA-binding protein M4 is a receptor for carcinoembryonic antigen in Kupffer cells". J. Biol. Chem. 276 ( ... CEACAM5, CD66e, CEA, carcinoembryonic antigen related cell adhesion molecule 5. External IDs. HomoloGene: 128801 GeneCards: ... Oikawa S, Nakazato H, Kosaki G (1987). "Primary structure of human carcinoembryonic antigen (CEA) deduced from cDNA sequence". ...
In humans, the CD44 antigen is encoded by the CD44 gene on Chromosome 11.[5] CD44 has been referred to as HCAM (homing cell ... The CD44 antigen is a cell-surface glycoprotein involved in cell-cell interactions, cell adhesion and migration. ... Indian blood group system at BGMUT Blood Group Antigen Gene Mutation Database at NCBI, NIH ... "Carcinoembryonic antigen and CD44 variant isoforms cooperate to mediate colon carcinoma cell adhesion to E- and L-selectin in ...
It is also called Lewis x and SSEA-1 (stage-specific embryonic antigen 1) and represents a marker for murine pluripotent stem ... CD15 Antigen at the US National Library of Medicine Medical Subject Headings (MeSH) ... CD15 (3-fucosyl-N-acetyl-lactosamine) is a cluster of differentiation antigen - an immunologically significant molecule. CD15 ...
B cells can present antigens to a specialized group of helper T cells called TFH cells. If an activated TFH cell recognizes the ... Roles of T cell-B-cell-activating molecule (5c8 antigen) and CD40 in contact-dependent help". Journal of Immunology. 149 (12): ... It binds to CD40 (protein) on antigen-presenting cells (APC), which leads to many effects depending on the target cell type. In ... Grewal, IS; Xu, J; Flavell, RA (7 December 1995). "Impairment of antigen-specific T-cell priming in mice lacking CD40 ligand". ...
Eichler W, Hamann J, Aust G (Nov 1997). "Expression characteristics of the human CD97 antigen". Tissue Antigens. 50 (5): 429-38 ... Hamann J, Wishaupt JO, van Lier RA, Smeets TJ, Breedveld FC, Tak PP (Apr 1999). "Expression of the activation antigen CD97 and ... Tissue Antigens. 57 (4): 325-31. doi:10.1034/j.1399-0039.2001.057004325.x. PMID 11380941.. ... "Expression cloning and chromosomal mapping of the leukocyte activation antigen CD97, a new seven-span transmembrane molecule of ...
... uveitis antigens induce CXCR3- and CXCR5-expressing lymphocytes and immature dendritic cells to migrate (англ.) // Blood (англ ...
Goodpasture-antigen-binding protein kinase (EC 2.7.11.9). *-. IκB kinase (EC 2.7.11.10). *CHUK ...
I. Partial characterization of soluble Ki-1 antigen and detection of the antigen in cell culture supernatants and in serum by ... Josimovic-Alasevic O, Dürkop H, Schwarting R, Backé E, Stein H, Diamantstein T (Jan 1989). "Ki-1 (CD30) antigen is released by ... CD30+Antigens at the US National Library of Medicine Medical Subject Headings (MeSH) ... results from cDNA cloning and sequence comparison of the CD30 antigen from different sources". Molecular Immunology. 31 (17): ...
2000). "Characterization of a new member of the TNF family expressed on antigen presenting cells.". Biol. Chem. 380 (12): 1443- ... CD147 • CD148 • CD150 ... independent compartments among naïve and antigen-experienced B ...
Macrophage-1 antigen (CD11b+CD18). *VLA-4 (CD49d+CD29). *Glycoprotein IIb/IIIa (ITGA2B+ITGB3) ...
CD147/Basigin (Gavilimomab) • CD154 (Ruplizumab). BLyS (Belimumab) • CTLA-4 (Ipilimumab, Tremelimumab) • CAT (Bertilimumab, ... Induction of Potent and Long-Lasting T-Cell Responses against Cancer Antigens". Cancer Research 62: 1477-1480. ... "A divalent major histocompatibility complex/IgG1 fusion protein induces antigen-specific T cell activation in vitro and in ...
The protein also carries the Jr(a) antigen, which defines the Junior blood group system.[9] ...
"Interaction of glycogen synthase kinase 3beta with the DF3/MUC1 carcinoma-associated antigen and beta-catenin". Molecular and ...
Ebert LM, McColl SR (2002). "Up-regulation of CCR5 and CCR6 on distinct subpopulations of antigen-activated CD4+ T lymphocytes ... This receptor has been shown to be important for B-lineage maturation and antigen-driven B-cell differentiation, and it may ... dendritic cells induce antitumor immunity when genetically fused with nonimmunogenic tumor antigens". J. Immunol. 167 (11): ...
"Guiding the selection of human antibodies from phage display repertoires to a single epitope of an antigen". Bio/Technology. 12 ... drug were found by guiding the selection of human antibodies from phage display repertoires to a single epitope of an antigen ...
... antigen je protein koji je kod ljudi kodiran CD97 genom.[1][2][3] ... CD147 • CD148 • CD150 ... and chromosomal mapping of the leukocyte activation antigen ... 2001). "Tissue distribution of the human CD97 EGF-TM7 receptor". Tissue Antigens 57 (4): 325-31. PMID 11380941. doi:10.1034/j. ...
CD147/Basigin (Gavilimomab) • CD154 (Ruplizumab). BLyS (Belimumab) • CTLA-4 (Ipilimumab, Tremelimumab) • CAT (Bertilimumab, ... ćelije bile identifikovane kao najpotentniji proizvođači tipa I interferona u odgovoru na antigen, i bile su nazvani prirodne ...
"Entrez Gene: ITGB3 integrin, beta 3 (platelet glycoprotein IIIa, antigen CD61)".. *^ May, K. E.; Villar, J.; Kirtley, S.; ... CD61+Antigens at the US National Library of Medicine Medical Subject Headings (MeSH) ...
CD147/Basigin (Gavilimomab) • CD154 (Ruplizumab). BLyS (Belimumab) • CTLA-4 (Ipilimumab, Tremelimumab) • CAT (Bertilimumab, ... Nakon presađivanja (transplantacije) organa, telo skoro uvek „odbaci" novi organ usled razlike ljudskih leukocit antigen ...
"Direct association of adenosine deaminase with a T cell activation antigen, CD26". Science. 261 (5120): 466-9. doi:10.1126/ ...
Past this period CD3 blocks the TCR-antigen binding and causes conformational change or the removal of the entire TCR3/CD3 ... The IL-2a (CD25, T-cell activation antigen, TAC) is expressed only by the already-activated T lymphocytes. Therefore, it is of ... The antilymphocyte (ALG) and antithymocyte antigens (ATG) are being used. They are part of the steroid-resistant acute ... Monoclonal antibodies are directed towards exactly defined antigens. Therefore, they cause fewer side-effects. Especially ...
antigen processing and presentation of peptide antigen via MHC class I. • antigen processing and presentation of exogenous ... antigen processing and presentation of exogenous peptide antigen via MHC class I. • lipoprotein transport. • negative ... peptide antigen via MHC class I, TAP-dependent. • platelet degranulation. • MyD88-dependent toll-like receptor signaling ...
Primarily, the VCAM-1 protein is an endothelial ligand for VLA-4 (Very Late Antigen-4 or integrin α4β1) of the β1 subfamily of ...
antigen binding. • virus receptor activity. • protein binding. • transmembrane signaling receptor activity. • identical protein ...
CD147 Antigens: A widely distributed cell surface transmembrane glycoprotein that stimulates the synthesis of MATRIX ... Antigens: 114404*Surface Antigens: 4354*Differentiation Antigens: 1051*CD Antigens: 38*CD147 Antigens: 403*Gallus gallus Bsg ... CD147; Basigin Protein; CD147 Antigen; Emmprin; Emmprin Protein; Antigen, CD147 ... CD147 Antigens (Basigin). Subscribe to New Research on CD147 Antigens A widely distributed cell surface transmembrane ...
CD147" by people in this website by year, and whether "Antigens, CD147" was a major or minor topic of these publications. ... "Antigens, CD147" is a descriptor in the National Library of Medicines controlled vocabulary thesaurus, MeSH (Medical Subject ... Below are the most recent publications written about "Antigens, CD147" by people in Profiles. ... Below are MeSH descriptors whose meaning is more general than "Antigens, CD147". ...
Ausgesuchte Qualitäts-Hersteller für CD147 Antikörper. Hier bestellen. ... Monoklonale und polyklonale CD147 Antikörper für viele Methoden. ... OX-47 antigen , glycoprotein CE9 , 5A11 antigen , blood-brain barrier HT7 antigen , 5A11/Basigin-2 , cd147 , basigin (Ok blood ... basigin , CD147 antigen , OK blood group antigen , collagenase stimulatory factor , extracellular matrix metalloproteinase ...
... products and learn more about CD147 Rat anti-Mouse, Brilliant Violet 711, Clone: RL73 (also known as 50µg; Brilliant Violet ... Antigen. CD147. Clone. RL73 (also known as RL73.2). Conjugate. Brilliant Violet 711. ... CD147 is type I membrane glycoprotein and member of the Ig superfamily. CD147 is also known as extracellular matrix ... CD147 reportedly plays significant roles in the reproductive, nervous and immune systems and in tumor progression. In the ...
Novus Biologicals EMMPRIN/CD147 Antibody; Alexa Fluor 594; 0.1 mL ... EMMPRIN/CD147 Mouse anti-Human, Alexa Fluor 594, Clone: 8D6, ... 5F7, basigin, basigin (Ok blood group), CD147, CD147 antigen, Collagenase stimulatory factor, EMMPRINTCSF, Extracellular matrix ... EMMPRIN/CD147 Monoclonal antibody specifically detects EMMPRIN/CD147 in Human samples. It is validated for Western Blot,Flow ... CD147 is important in spermatogenesis, embryo implantation, neural network formation, and tumor progression. It stimulates the ...
Goat Polyclonal Anti-EMMPRIN/CD147 Antibody [Unconjugated]. Validated: WB, Simple Western, IHC. Tested Reactivity: Human. 100% ... PVDF membrane was probed with 1 µg/mL of Goat Anti-Human EMMPRIN/CD147 Antigen Affinity-purified Polyclonal Antibody (Catalog ... EMMPRIN/CD147 Antibody [Unconjugated] Summary. Immunogen. Mouse myeloma cell line NS0-derived recombinant human EMMPRIN/CD147. ... Blogs on EMMPRIN/CD147. There are no specific blogs for EMMPRIN/CD147, but you can read our latest blog posts. ...
It binds to the antigen CD147. Gavilimomab proved slightly less effective than standard antithymocyte globulin therapy. It was ...
Order this anti-CD147 antibody. , Product number ABIN4889984 ... Mouse Monoclonal CD147 antibody for CyTOF, FACS, ICC, IF, IHC, ... Antigen Basigin (Ok Blood Group) (BSG) show synonyms for this antigen * EMMPRIN ... anti-CD147 antibody (Basigin (Ok Blood Group)) CD147 antibody (Basigin (Ok Blood Group)). Details for Product anti-BSG Antibody ... The antigen is also present on some endothelia. The antigen contains two Ig-like domains and an unusual transmembrane domain ...
... which is also known as CD147, basigin, or extracellular matrix metalloproteinase inducer (EMMPRIN). TRA-1-85 is expressed by ... Clone REA476 recognizes the human TRA-1-85 antigen, a single-pass type I membrane protein, ... Clone REA476 recognizes the human TRA-1-85 antigen, a single-pass type I membrane protein, which is also known as CD147, ... Alternative names of antigen: EMMPRIN, Basigin (BSG), Neurothelin, 5F7, BSG, TCSF, OKa, CD147 ...
CD147 has been implicated in a variety of physiological and pathological activities. It is best known for its ability to ... CD147 is expressed by many cell types, including epithelial cells, endothelial cells, leukocytes, and tumor cells. It is ... Clone REA282 recognizes the human CD147 antigen, a single-pass type I membrane protein which is also known as basigin (BSG) or ... Clone REA282 recognizes the human CD147 antigen, a single-pass type I membrane protein which is also known as basigin (BSG) or ...
The affinity (Kd) for the binding of human and murine FcRs and human CD147 antigen to IgG mAbs were measured on a multi-SPR ... Levels of CD147 expression on the lung cancer cells were determined by flow cytometry using a FITC-labeled anti-CD147 primary ... CD147 is a validated target for cancer therapy. The advantages of CD147 as a mAb target include tumor cell-specific expression ... Although Licartin, an 131I-labeled anti-CD147 mAb HAb18 F(ab′)2, is an effective and marketed agent for the treatment of CD147- ...
Anti-CD147 mAb (GTX84798) is tested in Human samples. 100% Ab-Assurance. ... CD147 antibody [4E4] (basigin (Ok blood group)) for FACS, ICC/IF, IHC-P, WB. ... Antigen Species. Human. Species Reactivity. Human. Conjugation. Unconjugated. *. Storage Conditions: CD147 antibody [4E4]. ... EMMPRIN, OK, TCSF, BSG, 5F7, M6, CD147. Cellular Localization. Colocalizes with SLC16A1 and SLC16A8 (By similarity). Identified ...
It binds to the antigen CD147.[1][2]. References. *^ a b findarticles.com: Sangstat to Provide Clinical Development Update At ...
CD147 Antigens (Basigin)IBA 01/2014. 1. Butyrates (Butyrate)IBA 08/2013. ...
Overexpression of extracellular matrix metalloproteinase inducer (EMMPRIN or CD147), a member of the immunoglobulin family and ... N2 - Overexpression of extracellular matrix metalloproteinase inducer (EMMPRIN or CD147), a member of the immunoglobulin family ... AB - Overexpression of extracellular matrix metalloproteinase inducer (EMMPRIN or CD147), a member of the immunoglobulin family ... Extracellular matrix metalloproteinase inducer (CD147) confers resistance of breast cancer cells to anoikis through inhibition ...
To determine exosomal MCT1 and CD147 levels by the measurement of intermolecular force between antigens and ABs, the silver ... and for CD147, R2 = 0.9654] and AFM (for MCT1, R2 = 0.9996, and for CD147, R2 = 0.9952) for exosomal MCT1 and CD147 was ... Immunofluorescent staining for CD147 in GMs treated with (L1 to O1) empty backbone lentivirus (control 1) and (P1 to S1) CD147 ... 5A) or anti-CD147 AB (Fig. 5B) was sensitive enough to quantitatively detect exosomal MCT1 or CD147 (Fig. 4, A, B, E, and F). ...
Mouse CD147 / EMMPRIN / Basigin derived in Human Cells. The whole cell lysate is provided in 1X Sample Buffer.Browse all ... Mouse CD147 / EMMPRIN / Basigin derived in Human Cells. The whole cell lysate is provided in 1X Sample Buffer.Browse all ... BSG; basigin; gp 42; HT7 antigen; neurothelin; 5A11/Basigin; membrane glycoprotein gp42; basic immunoglobulin superfamily; HT-7 ...
Exbio - Research products - Antibodies - CD and related antigens - Anti-Hu CD147 Purified ... A soluble recombinant form of CD147, CD147Rg, which consists of the cDNA coding for the entire extracellular region of CD147 ... Ruiz S, Castro-Castro A, Bustelo XR: CD147 Inhibits the Nuclear Factor of Activated T-cells by Impairing Vav1 and Rac1 ... Kirk P, Wilson MC, Heddle C, Brown MH, Barclay AN, Halestrap AP: CD147 is tightly associated with lactate transporters MCT1 and ...
Exbio - Research products - Antibodies - CD and related antigens - Anti-Hu CD147 PE ... The antibody MEM-M6/1 recognizes an extracellular epitope in the N-terminal Ig domain (D1) of CD147 (Neurothelin), a 50-60 kDa ... Pistol G, Matache C, Calugaru A, Stavaru C, Tanaseanu S, Ionescu R, Dumitrache S, Stefanescu M: Roles of CD147 on T lymphocytes ... Protein A-CR purified soluble recombinant form of CD147, CD147Rg, which consists of the cDNA coding for the hinge region, CH2- ...
Biotinylated rh CD147) Ala 22 - His 205 (Accession # NP_940991.1), was labeled with biotin based on rh CD147 /EMMPRIN Protein ( ... BSG; basigin (Ok blood group); basigin (OK blood group) , OK; basigin; CD147; EMMPRIN; CD147 antigen; OK blood group antigen; ... collagenase stimulatory factor; leukocyte activation antigen M6; extracellular matrix metalloproteinase inducer; tumor cell- ...
SLC16A4 Antigen Profile Protein Summary Proton-linked monocarboxylate transporter. Catalyzes the rapid transport across the ... MCT4 and CD147 expression correlate with worse prognosis across many cancer types. These results warrant further investigation ...
Antigen Synonyms. basigin, OK blood group antigen, 5F7, EMMPRIN, TCSF, CD147 antigen, collagenase stimulatory factor, ... Antigen: CD147. Clonality: Polyclonal. Clone: Conjugation: Unconjugated. Epitope: Host: Rabbit. Isotype: Reactivity: Human. ... extracellular matrix metalloproteinase inducer, leukocyte activation antigen M6, CD147, tumor cell-derived collagenase ... CD147 is a receptor of CypA, inducing matrix metalloproteinase expression and mediating the degradation of the extracellular ...
Learn more about Anti-CD147 Rat Monoclonal Antibody () [clone: OX-114]. We enable science by offering product choice, services ... Antigen Synonyms. Basigin. Gene ID. 12215. Concentration. 0.50 mg/mL. Purification. The antibody was purified by affinity ...
KSHV-encoded latency associated nuclear antigen LANA either induces CD147 directly, binding to gene promoter, or transactivates ... CD147, for plasma membrane expression and function [68]. CD147 is a multifunctional glycoprotein expressed at higher levels by ... S. H. Ali and J. A. DeCaprio, "Cellular transformation by SV40 large T antigen: interaction with host proteins," Seminars in ... E. Noch, I. K. Sariyer, J. Gordon, and K. Khalili, "JC virus T-antigen regulates glucose metabolic pathways in brain tumor ...
We found that integrin α6β1 co-localizes and interacts with HAb18G/CD147 in human hepatoma cells. The enhancing effects of ... These results suggest that α6β1 interacts with HAb18G/CD147 to mediate tumor invasion and metastatic processes through the PI3K ... Human SMMC-7721 and FHCC98 cells were cultured and transfected with siRNA fragments against HAb18G/CD147. The expression levels ... Co-immunoprecipitation and Western blot analyses were performed to examine the native conformations of HAb18G/CD147 and ...
... such as CD147 into T cells. Also called Basigin or EMMPRIN, CD147 is a transmembrane glycoprotein that belongs to the ... and their definition by antibody affinity and antigen density. Int Immunol (1999) 11(5):777-86. doi: 10.1093/intimm/11.5.777 ... CD147 as a Target for COVID-19 Treatment: Suggested Effects of Azithromycin and Stem Cell Engagement. Stem Cell Rev Rep (2020) ... Highly glycosylated CD147 promotes hemorrhagic transformation after rt-PA treatment in diabetes: a novel therapeutic target? J ...
M6 antigen (14) , and HT7 antigen (15) . Mice lacking the gene for CD147/EMMPRIN/basigin showed defects in embryogenesis, ... COS cells transfected with full-length CD147 were allowed to adhere for 1 h to immobilized CD147(D1-D2) Fc, CD147(D1) Fc, CD147 ... Thus again, CD147(D1) plays a major role, whereas CD147(D2) plays only a minor role during homophilic adhesion. The anti-CD147 ... Purification of Native CD147 and Deglycosylated CD147 from HT1080 Cells.. CD147 was purified from lysates of HT1080 cells by ...
Tumor cells secrete EVs that stimulate or suppress cancer immunity (46, 47). Indeed, various tumor antigens, such as melan A, ... greater numbers of CD147/CD9 double-positive EVs were detected in serum from CRC patients compared with serum from healthy ... Tumor-derived exosomes are a source of shared tumor rejection antigens for CTL cross-priming. Nat Med. 2001;7(3):297-303.. View ... This technique uses antibodies to capture two specific antigens residing on EVs that are detectable by photosensitizer beads ( ...
CD147 antibody Mouse Monoclonal from Proteintech validated in Western Blot (WB), Immunohistochemistry (IHC), Flow Cytometry (FC ... Note: suggested antigen retrieval with TE buffer pH 9.0; (*) Alternatively, antigen retrieval may be performed with citrate ... 1X10^6 Jurkat cells were stained with 0.20 ug Anti-Human CD147 (66443-1-Ig, Clone:1G12B5) (red) or 0.20 ug Mouse IgG1 Isotype ... 1X10^6 Jurkat cells were stained with 0.20 ug Anti-Human CD147 (66443-1-Ig, Clone:1G12B5) (red) or 0.20 ug Mouse IgG1 Isotype ...
Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD147. ... Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD147. ... This image is part of a large collection of images generated from numerous specimens to characterize the distribution of CD147 ... This image is part of a large collection of immunohistochemistry images of cell-surface antigens generated by the SCGAP ...
  • CD147 is also known as extracellular matrix metalloproteinase inducer (EMMPRIN) and gp42/basigin (BSG). (fishersci.com)
  • Extracellular matrix metalloproteinase (MMP) inducer (EMMPRIN), also known as basigin and CD147, is a 44-66 kDa, variably glycosylated, type I transmembrane protein that belongs to the immunoglobulin superfamily (1-4). (novusbio.com)
  • Clone REA476 recognizes the human TRA-1-85 antigen, a single-pass type I membrane protein, which is also known as CD147, basigin, or extracellular matrix metalloproteinase inducer (EMMPRIN). (miltenyibiotec.com)
  • 1992) Human leukocyte activation antigen M6, a member of the Ig superfamily, is the species homologue of rat OX-47, mouse basigin, and chicken HT7 molecule. (miltenyibiotec.com)
  • Mouse CD147 / EMMPRIN / Basigin derived in Human Cells. (creativebiomart.net)
  • Wilson MC, Meredith D, Fox JE, Manoharan C, Davies AJ, Halestrap AP: Basigin (CD147) is the target for organomercurial inhibition of monocarboxylate transporter isoforms 1 and 4: the ancillary protein for the insensitive MCT2 is EMBIGIN (gp70). (exbio.cz)
  • Basigin (BSG) also known as extracellular matrix metalloproteinase inducer (EMMPRIN) or cluster of differentiation 147 (CD147) is a protein that in humans is encoded by the BSG gene. (wikipedia.org)
  • The host-cell-expressed basigin (CD147) may bind spike protein of SARS-CoV-2 and possibly be involved in host cell invasion. (wikipedia.org)
  • Reconstitute the lyophilized recombinant Human Basigin/CD147, His (HEK293-expressed) (rHuBasigin/CD147, His) to 100 µg/mL using ddH 2 O. (medchemexpress.com)
  • Lyophilized recombinant Human Basigin/CD147, His (HEK293-expressed) (rHuBasigin/CD147, His) is stored at -20°C. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer. (medchemexpress.com)
  • CD147/EMMPRIN (Extracellular Matrix Metalloproteinase Inducer), also known as Basigin (BSG), is a transmembrane glycoprotein with different forms resulted from different modes of glycosylation and N-terminal sequence variants. (elabscience.com)
  • EMMPRIN, also known as basigin, M6 antigen, or CD147, is a 58 kDa cell surface glycoprotein and is a member of the immunoglobulin superfamily that is enriched on the surface of most tumor cells and shown to stimulate underlying stromal cells to produce elevated levels of MMPs, including MMP-1. (ahajournals.org)
  • Emmprin (basigin/CD147): matrix metalloproteinase modulator and multifunctional cell recognition molecule that plays a critical role in cancer progression. (semanticscholar.org)
  • We further confirmed a significant correlation between urinary CD147/basigin (Bsg) levels and proteinuria in patients with focal segmental glomerulosclerosis. (fujita-hu.ac.jp)
  • Mouse anti Human CD147 antibody, clone MEM-M6/1 recognizes the human CD147 cell surface antigen, also known as Basigin, EMMPRIN and collagenase stimulatory factor. (bio-rad-antibodies.com)
  • CD147, an extracellular matrix metalloproteinase inducer (also known as EMMPRIN, basigin, M6), is a plasma membrane-bound glycoprotein that functions as an adhesion molecule. (biomedcentral.com)
  • CD147 (EMMPRIN/Basigin) in kidney diseases: from an inflammation and immune system viewpoint. (semanticscholar.org)
  • Basigin, which is also known as CD147 or EMMPRIN (extracellular matrix metalloproteinase inducer), encodes a transmembrane glycoprotein with two immunoglobulin-like domains [ 1 , 2 ]. (ijbs.com)
  • In adults, basigin was identified as a lymphocyte activation-associated antigen [ 10 ]. (ijbs.com)
  • The RL73 monoclonal antibody specifically binds to mouse CD147. (fishersci.com)
  • EMMPRIN/CD147 Monoclonal antibody specifically detects EMMPRIN/CD147 in Human samples. (fishersci.com)
  • Immunohistochemistry-Paraffin: EMMPRIN/CD147 Antibody (OX-47) [ABIN2558558] - IHC analysis of a formalin fixed paraffin embedded (FFPE) tissue section of rat kidney using 1:100 dilution of CD147 antibody (clone OX-47). (antibodies-online.com)
  • Flow Cytometry: EMMPRIN/CD147 Antibody (OX-47) [ABIN2558558] - Rat Splenocytes were stained with EMMPRIN/CD147 (OX-47) antibody ABIN2558558 (blue) and a matched isotype control NBP2-27287 (orange). (antibodies-online.com)
  • Metuzumab is an affinity-optimized and nonfucosylated anti-CD147 human-mouse chimeric IgG1 monoclonal antibody with enhanced antibody-dependent cellular cytotoxicity (ADCC). (aacrjournals.org)
  • Anti-CD147 antibody 8G6 and recombinant CD147-Fc fusion protein markedly inhibited not only homophilic interaction, but also the production of secreted MMP-2 by breast cancer cell line MDA-435 and the MMP-2-dependent invasion of MDA-435 cells through reconstituted basement-membrane Matrigel. (aacrjournals.org)
  • Rabbit polyclonal antibody B10 was prepared against purified placental CD147. (aacrjournals.org)
  • Untreated and PNGase F-treated lysates of TF-1 cells were subjected to SDS PAGE followed by western blot with 66443-1-Ig (CD147 antibody) at dilution of 1:20000 incubated at room temperature for 1.5 hours. (ptglab.com)
  • Immunohistochemical analysis of paraffin-embedded human liver cancer tissue slide using 66443-1-Ig (CD147 antibody) at dilution of 1:500 (under 10x lens) heat mediated antigen retrieved with Tris-EDTA buffer(pH9). (ptglab.com)
  • Immunohistochemical analysis of paraffin-embedded human liver cancer tissue slide using 66443-1-Ig (CD147 antibody) at dilution of 1:500 (under 40x lens) heat mediated antigen retrieved with Tris-EDTA buffer(pH9). (ptglab.com)
  • Subsequently, meplazumab, a humanized anti-CD147 antibody, was tested in patients with SARS-CoV-2 pneumonia. (wikipedia.org)
  • T cell activation-associated epitopes of CD147 in regulation of the T cell response, and their definition by antibody affinity and antigen density. (abnova.com)
  • Thus, CD147 and its antibody are used as an effective treatment for malignant cancers. (elabscience.com)
  • In 1950, the Duffy antigen was discovered in a multiply-transfused hemophiliac whose serum contained the first example of anti-Fya antibody . (wikipedia.org)
  • [10] In 1951, the antibody to a second antigen, Fyb, was discovered in serum . (wikipedia.org)
  • In this regard, merozoite proteins involved in RBC invasion have traditionally been targeted via the induction of growth inhibitory antibodies, 3 however historical candidate antigens have suffered from substantial levels of polymorphism and redundancy, leading to non-protective or strain-specific vaccine-induced antibody responses. (nature.com)
  • To enhance local topographic interactions between the nano-components and fNRBC, a specific antibody, CD147, coated on the nanostructured substrate led to the isolation of fNRBCs from maternal peripheral blood. (thno.org)
  • Western blot analysis of HepG2 human hepatocellular carcinoma whole cell lysate probed with Mouse anti Human CD147 antibody ( MCA1876 ) followed by HRP conjugated Goat anti Mouse IgG, visualized by chemiluminescence. (bio-rad-antibodies.com)
  • Mouse anti Human CD147 antibody, clone MEM-M6/1 was raised and screened against recombinant extracellular region of huCD147 expressed in CHO cells, along with a number of other MEM-M6 clones. (bio-rad-antibodies.com)
  • Mouse anti Human CD147 antibody, clone MEM-M6/1 binds to both un-stimulated and phytohemagglutinin (PHA) stimulated (activated) T lymphocytes with levels of CD147 enhanced following PHA stimulation. (bio-rad-antibodies.com)
  • however, knockdown of E-cadherin by E-cadherin siRNA or blocking of E-cadherin binding activity with a specific antibody and EDTA had no significant effect on HAb18G/CD147 expression. (biomedcentral.com)
  • Overexpression of extracellular matrix metalloproteinase inducer (EMMPRIN or CD147), a member of the immunoglobulin family and a glycoprotein enriched on the surface of tumor cells, promotes invasion, metastasis, and growth and survival of malignant cells and confers resistance to some chemotherapeutic drugs. (elsevier.com)
  • Extracellular matrix metalloproteinase inducer (CD147) is a novel receptor on platelets, activates platelets, and augments nuclear factor kappaB-dependent inflammation in monocytes. (exbio.cz)
  • EMMPRIN (CD147), an inducer of matrix metalloproteinase synthesis, also binds interstitial collagenase to the tumor cell surface. (semanticscholar.org)
  • Human peripheral blood mononuclear cells (PBMCs) were stained with Anti-TRA-1-85 (CD147) antibodies or with the corresponding REA Control (S) antibodies (left peak). (miltenyibiotec.com)
  • In this system, individual exosomes were captured in the groove of an optical disc coated with antibodies against exosome surface antigens. (nih.gov)
  • CD antigens for cluster of differentiation, which indicates a defined subset of cellular surface receptors (epitopes) that identify cell type and stage of differentiation, and which are recognized by antibodies. (sinobiological.com)
  • Hybridoma technology opened a new horizon in the production of antibodies against target antigens of infectious pathogens, malignant diseases including autoimmune disorders, and numerous potent toxins. (frontiersin.org)
  • Antibodies bind antigen with the help of a VHH fragment that can identify specific and unique conformational epitopes by the presence of its long complementary determining regions (CDR3). (frontiersin.org)
  • The present invention provides fully human antibodies in a transgenic animal of a desired isotype in response to immunization with any virtually any desired antigen. (justia.com)
  • Full length human recombinant protein of human CD147 (NP_001719) produced in HEK293T cell. (genetex.com)
  • Malignant glioma is a fatal brain tumor whose pathological progression is closely associated with glycolytic reprogramming, leading to the high expression of monocarboxylate transporter 1 (MCT1) and its ancillary protein, cluster of differentiation 147 (CD147) for enhancing lactate efflux. (sciencemag.org)
  • Protein A-CR purified soluble recombinant form of CD147, CD147Rg, which consists of the cDNA coding for the hinge region, CH2-and CH3 domain of human IgG1 (CD147Rg is secreted by transfectants as a dimer). (exbio.cz)
  • CD147) is a heavily glycosylated protein containing two immunoglobulin superfamily domains. (aacrjournals.org)
  • Here we use CD147 transfectants and immobilized recombinant CD147-Fc fusion protein to show that CD147/EMMPRIN engages in a homophilic interaction, predominantly through the first immunoglobulin domain. (aacrjournals.org)
  • CD147 is an MMP-inducing protein often implicated in cancer progression. (biomedcentral.com)
  • Plasma membrane-localized CD147 protein expression was quantified in patient samples using immunohistochemistry and multispectral imaging, and expression was compared to clinico-pathological features (pathologic stage, Gleason score, tumor volume, preoperative PSA, lymph node status, surgical margins, biochemical recurrence status). (biomedcentral.com)
  • Immunoblot bands were detected at 44 kDa and 66 kDa, representing non-glycosylated and glycosylated forms of CD147 protein, and CD147 expression was lower in tumorigenic T10 cells than non-tumorigenic BPH-1 cells ( p = 0.02). (biomedcentral.com)
  • Two forms of soluble CD147 were detected in the conditioned medium of cancer cells, the full-length protein and the protein containing the extracellular domain. (biomedcentral.com)
  • E xtracellular M atrix M etallo pr oteinase in ducer) - EMMPRIN ) ili klaster diferencijacije 147 ( CD147 ) je protein koji je kod ljudi kodiran iz BSG gena . (wikipedia.org)
  • Finally, we show that luminal leptin up-regulates butyrate uptake in Caco2-BBE monolayers by two distinct actions: (i) increase of the intracellular pool of MCT-1 protein without affecting CD147 expression and (ii) translocation of CD147/MCT-1 to the apical plasma membrane of Caco2-BBE cell monolayers. (nih.gov)
  • CD147 is a plasma membrane protein that is important in spermatogenesis, embryo implantation, neural network formation, and tumor progression. (fishersci.co.uk)
  • Duffy antigen/chemokine receptor ( DARC ), also known as Fy glycoprotein ( FY ) or CD234 ( C luster of D ifferentiation 234), is a protein that in humans is encoded by the ACKR1 gene . (wikipedia.org)
  • The expression of HAb18G/CD147 (a member of the CD147 family) was upregulated and the protein was located at cell-cell junctions. (biomedcentral.com)
  • Chimeric antigen receptor T-cell therapy is a form of adoptive cellular therapy that uses a genetically encoded CAR in modified human T cells to target specific tumor antigens in a nonconventional, non-major histocompatibility complex (MHC) protein presentation. (allenpress.com)
  • OBJECTIVE A glycosylated transmembrane protein, CD147, has been implicated in regulating lymphocyte responsiveness and leukocyte recruitment. (semanticscholar.org)
  • Western blot assay was utilized to detect the effects of si-CD147 on focal adhesion kinase (FAK), vinculiln and mitogen-activated protein kinase (MAPK) expression in SMMC-7721 cells. (paperity.org)
  • 1X10^6 Jurkat cells were stained with 0.20 ug Anti-Human CD147 (66443-1-Ig, Clone:1G12B5) (red) or 0.20 ug Mouse IgG1 Isotype Control (66360-1-Ig, Clone:T1F8D3F10) (blue) and CoraLite®488-Conjugated AffiniPure Goat Anti-Mouse IgG(H+L) with dilution 1:1000. (ptglab.com)
  • In the immune system, CD147 can function as an adhesion molecule and signaling receptor that regulates leukocyte trafficking and immune and inflammatory responses. (fishersci.com)
  • Iacono KT, Brown AL, Greene MI, Saouaf SJ: CD147 immunoglobulin superfamily receptor function and role in pathology. (exbio.cz)
  • CD147 is a receptor of CypA, inducing matrix metalloproteinase expression and mediating the degradation of the extracellular matrix, plays an important role in tumorigenesis and invasion in oral cancer. (vwr.com)
  • In this study, we address the possibility that CD147 could be a receptor for itself, and we identify the key extracellular domain required for CD147-dependent binding. (aacrjournals.org)
  • In addition to the ubiquitous exosome markers CD9 and CD63, the cancer-related antigens CD147, carcinoembryonic antigen, and human epidermal growth factor receptor 2 (HER2) were also used to quantify cancer cell line-derived exosomes. (nih.gov)
  • Furthermore, CD147 also serves as a receptor for extracellular cyclophilinthe and its association with integrins might be important in signal transduction. (elabscience.com)
  • CD147 is a signaling receptor for cyclophilin B". Biochem Biophys Res Commun 288 (4): 786-8. (wikipedia.org)
  • Chimeric antigen receptor (CAR) T-cell therapy is a part of this new era of therapies. (allenpress.com)
  • Chimeric antigen receptor T-cell therapy successfully identifies tumor antigens and through activation of T cells destroys tumoral cells. (allenpress.com)
  • It is a member of the immunoglobulin superfamily with homology to both the immunoglobulin V domain and MHC class II antigen beta-chain. (elabscience.com)
  • CD147 is also a member of the immunoglobulin superfamily. (fishersci.co.uk)
  • Crystal structure of HAb18G/CD147: implications for immunoglobulin superfamily homophilic adhesion. (sustech.edu.cn)
  • Modulation of CD147-induced matrix metalloproteinase activity: role of CD147 N-glycosylation. (sustech.edu.cn)
  • CD147 is type I membrane glycoprotein and member of the Ig superfamily. (fishersci.com)
  • As a surface glycoprotein, CD147 is capable of stimulating the production of matrix metalloproteinases (MMPs) from neighboring fibroblasts. (biomedcentral.com)
  • CD147 is a 385 amino acid single pass type 1 trans-membrane glycoprotein bearing 3 potential N-glycosylation sites, a single N-terminal (distal) Ig-like C2-type domain amd a more proximal Ig-like V-type domain in its extracellular region. (bio-rad-antibodies.com)
  • Malignant GMs enhance the levels of monocarboxylate transporter 1 (MCT1) and cluster of differentiation 147 (CD147) as well as their localization at the plasma membrane to remove intracellular lactate out of cells for the maintenance of continuous glycolysis. (sciencemag.org)
  • The roles of prostaglandin E2 and cluster of differentiation factor 147 (CD147) will be presented, and evidence for their interactions in OSCC will be explored. (mdpi.com)
  • The CD antigens / Cluster of differentiation nomenclature was established in the 1st International Workshop and Conference on Human Leukocyte Differentiation Antigens (HLDA), which was held in Paris in 1982. (sinobiological.com)
  • Through vertical as well as horizontal integration of whole genome sequencing, methylation arrays, RNA-Seq, miRNA-Seq, proteomics, and phosphoproteomics, we derived an integrated and comparative map of these two closely related immune cells and identified potential molecular effectors of immune cell differentiation following antigen encounter. (biomedcentral.com)
  • Non-peptide antigen presentation to T-cell receptors on NKT cells, marks T-cells at the short cortical thymic stage of differentiation. (abcam.co.jp)
  • Tissue section of human prostate containing adenocarcinoma that has been immunostained for the cell-surface antigen CD147. (cellimagelibrary.org)
  • It binds to the antigen CD147. (wikipedia.org)
  • Extracellular membrane-proximal domain of HAb18G/CD147 binds to metal ion-dependent adhesion site (MIDAS) motif of integrin β1 to modulate malignant properties of hepatoma cells. (sustech.edu.cn)
  • HAb18G/CD147 plays pivotal roles in invasion by hepatoma cells, but the underlying mechanism remains unclear. (biomedcentral.com)
  • Our previous study demonstrated that overexpression of HAb18G/CD147 promotes invasion by interacting with integrin α3β1. (biomedcentral.com)
  • However, it has never been investigated whether α3β1 is solely responsible for this process or if other integrin family members also interact with HAb18G/CD147 in human hepatoma cells. (biomedcentral.com)
  • Human SMMC-7721 and FHCC98 cells were cultured and transfected with siRNA fragments against HAb18G/CD147. (biomedcentral.com)
  • The expression levels of HAb18G/CD147 and integrin α6β1 were determined by immunofluorescent double-staining and confocal imaging analysis. (biomedcentral.com)
  • Co-immunoprecipitation and Western blot analyses were performed to examine the native conformations of HAb18G/CD147 and integrin α6β1. (biomedcentral.com)
  • We found that integrin α6β1 co-localizes and interacts with HAb18G/CD147 in human hepatoma cells. (biomedcentral.com)
  • These results suggest that α6β1 interacts with HAb18G/CD147 to mediate tumor invasion and metastatic processes through the PI3K pathway. (biomedcentral.com)
  • The glycosylation characteristic of hepatoma-associated antigen HAb18G/CD147 in human hepatoma cells. (sustech.edu.cn)
  • Dimerization is essential for HAb18G/CD147 promoting tumor invasion via MAPK pathway. (sustech.edu.cn)
  • HAb18G/CD147 promotes cell motility by regulating annexin II-activated RhoA and Rac1 signaling pathways in hepatocellular carcinoma cells. (sustech.edu.cn)
  • 12. Zhang Z, Yang X, Yang H, Yu X, Li Y, Xing J, Chen Z. New strategy for large-scale preparation of the extracellular domain of tumor-associated antigen HAb18G/CD147 (HAb18GED). (sustech.edu.cn)
  • Upregulation of HAb18G/CD147 in suspended HEK293ar cells suppressed anoikis by mediating the formation of cell-cell adhesions. (biomedcentral.com)
  • Knock-down of HAb18G/CD147 and E-cadherin inhibited cell-cell contacts formation and increased anoikis sensitivity respectively. (biomedcentral.com)
  • Understanding of the role of HAb18G/CD147 cell-cell contacts in anoikis resistance may help in understanding the survival of cells in anchorage-independent growth, such as cells in tumor metastasis and suspension culture produced for biomedical engineering. (biomedcentral.com)
  • The CD147 molecule is widely expressed on a variety of hemopoietic and non-hemopoietic cell types including thymocytes, lymphocytes, monocytes, granulocytes, erythroblasts and erythrocytes, endothelial cells and neoplasms. (fishersci.com)
  • Baba M, Inoue M, Itoh K, Nishizawa Y: Blocking CD147 induces cell death in cancer cells through impairment of glycolytic energy metabolism. (exbio.cz)
  • CD147 induces the production and release of matrix metalloproteinases (MMP) in the surrounding mesenchymal cells and tumor cells, and thereby promotes invasion, metastasis, growth and survival of malignant cells. (elabscience.com)
  • CD147 induces UPR to inhibit apoptosis and chemosensitivity by increasing the transcription of Bip in hepatocellular carcinoma. (sustech.edu.cn)
  • Most importantly, studies from other investigators and our own laboratory have demonstrated that CD147 acts as a central factor in the stimulation of matrix metalloproteinases (MMPs) and promotes tumor invasion. (biomedcentral.com)
  • Our results suggest that homophilic CD147 interactions may play a key role in MMP-2 production and tumor cell invasion, and that perturbation of this molecule may have potential therapeutic uses in the prevention of MMP-2 and MMP-1-dependent cancer metastasis. (aacrjournals.org)
  • Next, we establish that CD147 may induce MMP production not only in primary fibroblast cells, but also in tumor cells themselves, thus facilitating tumor cell invasion. (aacrjournals.org)
  • Taken together, our data delineate an as yet unrecognized function of E2F1 as enhancer of tumor invasion and migration of PCa via regulating the expression of CD147 in PCa. (spandidos-publications.com)
  • Together, these results suggest that ANXA2 enhances the migration and invasion potential of HCC cells in vitro by regulating the trafficking of CD147-harboring membrane microvesicles. (paperity.org)
  • Invasion assay, gelatin zymography and cell adhesion assay were employed to investigate the effects of si-CD147 on SMMC-7721 cells' invasion, gelatinase production and cell adhesive abilities. (paperity.org)
  • Results Downregulation of CD147 gene induced the alteration of SMMC-7721 cell cytoskeleton including actin, microtubule and vimentin filaments, and inhibited gelatinase production and expression, cells invasion, FAK and vinculin expression. (paperity.org)
  • Conclusion CD147 is required for normal tumor cell architecture and cell invasion. (paperity.org)
  • Furthermore, it was first identified that hypoxic GMs-derived exosomes contained significantly high levels of MCT1 and CD147, which could be quantitatively detected by noninvasive localized surface plasmon resonance and atomic force microscopy biosensors, demonstrating that they could be precise surrogate biomarkers for tracking parent GMs' metabolic reprogramming and malignant progression as liquid biopsies. (sciencemag.org)
  • Kirk P, Wilson MC, Heddle C, Brown MH, Barclay AN, Halestrap AP: CD147 is tightly associated with lactate transporters MCT1 and MCT4 and facilitates their cell surface expression. (exbio.cz)
  • Flow cytometry analysis (surface staining) of human peripheral blood with anti-human CD147 (MEM-M6/1) PE. (exbio.cz)
  • This image is part of a large collection of immunohistochemistry images of cell-surface antigens generated by the SCGAP Urologic Epithelial Stem Cells (UESC) Project. (cellimagelibrary.org)
  • The CD antigens are protocol used for the identification and investigation of cell surface molecules providing targets for immunophenotyping of cells. (sinobiological.com)
  • CD147 has multiple functions, including facilitating of cell surface expression of monocarboxylate transporter proteins and extracellular matrix metalloproteinases, regulation of integrin functions, it plays roles in cell development and activation, fetal development or retinal function. (fishersci.co.uk)
  • The Duffy antigen is located on the surface of red blood cells , and is named after the patient in whom it was discovered. (wikipedia.org)
  • Notable successful recombinant human vaccines include hepatitis B virus surface antigen (HBsAg) and human papillomavirus. (nature.com)
  • The extracellular domain of soluble CD147 promoted the expression of CD147 and MMP-2 from HCC cells. (biomedcentral.com)
  • The extracellular domain of soluble CD147 enhances the secretion of MMP-2 from HCC cells, requiring the cooperation of membrane CD147 and activation of ERK, FAK, and PI3K/Akt signaling. (biomedcentral.com)
  • Perform heat mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol. (abcam.cn)
  • Ruiz S, Castro-Castro A, Bustelo XR: CD147 Inhibits the Nuclear Factor of Activated T-cells by Impairing Vav1 and Rac1 Downstream Signaling. (exbio.cz)
  • Purified native CD147 induced the production of secreted MMP not only by dermal fibroblasts (MMP-1) but also by MDA-435 cells themselves (MMP-2), suggesting homophilic CD147-binding may occur in the context of both heterotypic and homotypic cell-cell interactions. (aacrjournals.org)
  • The aim of the present study is to explore the role of soluble CD147 on MMPs secretion from hepatocellular carcinoma (HCC) cells, and to investigate the diagnostic value of serum soluble CD147 in the HCC detection. (biomedcentral.com)
  • We identified the form of soluble CD147 in cell culture supernate of HCC cells and serum of patients with HCC, and explored the role of soluble CD147 on MMPs secretion. (biomedcentral.com)
  • Full length soluble CD147 was presented in the culture medium of HCC cells and serum of patients with HCC. (biomedcentral.com)
  • Non peptide antigen presentation to T-cell receptors on NKT cells. (sinobiological.com)
  • The highest level of CD147 expression is on metabolically active cells, such as lymphoblasts, inflammatory cells, brown adipocytes and maligt tumor cells. (fishersci.co.uk)
  • Journal Article] Overexpression of REIC/Dkk-3 suppresses the expression of CD147 and inhibits the proliferation of human bladder cancer cells.Oncol Lett. (nii.ac.jp)
  • Further investigation revealed that the expression of ANXA2 in HCC cells affected the shedding of CD147-harboring membrane microvesicles, acting as a vehicle for CD147 in tumor-stromal interactions and thereby regulating the production of MMP-2 by fibroblasts. (paperity.org)
  • There is evidence suggesting that CD147, an adhesion molecule associated with survival of cells in tumor metastasis and cell-cell contacts, plays an important role in resistance to anoikis. (biomedcentral.com)
  • Background CD147 plays a critical role in the invasive and metastatic activity of hepatocellular carcinoma (HCC) cells by stimulating the surrounding fibroblasts to express matrix metalloproteinases (MMPs). (paperity.org)
  • The aim of this study is to investigate the effects of small interfering RNA (siRNA) against CD147 (si-CD147) on hepatocellular carcinoma cells' (SMMC-7721) architecture and functions. (paperity.org)
  • Confocal microscopy was used to determine the effects of si-CD147 on SMMC-7721 cells' cytoskeleton. (paperity.org)
  • si-CD147 also blocked SMMC-7721 cells adhesion to collagen IV and phosphorylation level of SAPK/JNKs. (paperity.org)
  • Methods Flow cytometry and western blot assays were employed to detect the transfection efficiency of si-CD147. (paperity.org)
  • Anti-CD147 mouse mAbs 8G6 (24) and AAA6 (14) were described previously. (aacrjournals.org)
  • We found that Rg3 did not only inhibit A375 melanoma cell proliferation in a dose-dependent manner, but also decreased the expression of fucosyltransferase IV (FUT4) and its synthetic product Lewis Y (LeY), a tumor-associated carbohydrate antigen (TACA). (spandidos-publications.com)
  • LeY is a tumor-associated carbohydrate antigen (TACA) and its abnormal expression is frequently found in various cancers, such as breast, pancreas, gastric, ovarian and skin cancers ( 6 - 9 ). (spandidos-publications.com)
  • In addition to the ubiquitous exosome markers CD9 and CD63, the cancer-related antigens CD147, carcinoembryonic antigen, and human epidermal growth factor receptor 2 (HER2) were also used to quantify cancer cell line-derived exosomes. (fujita-hu.ac.jp)
  • For antigen retrieval slides were incubated in citrate buffer (pH 6.0) for 5 min at space heat and then boiled for 10 min in a microwave oven. (bioriental.net)