Antigens, CD
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.
Antigens, CD8
Antigens, Neoplasm
Antigens, CD3
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, Surface
Antigens, CD38
Antigens, CD34
Antigens, CD19
Antigens, CD40
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.
CD40 Ligand
Antigens, CD20
Antigens, CD28
Antigens, CD44
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)
Antigens, CD7
Antigens, CD14
Antigens, CD2
CD4-CD8 Ratio
Antigens, CD5
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, Differentiation
CD4-Positive T-Lymphocytes
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.
Antigens, CD1
Antigens, CD56
Antigens, Differentiation, T-Lymphocyte
ADP-ribosyl Cyclase
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.
Antigens, Differentiation, Myelomonocytic
Antigens, CD80
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.
Antigens, CD53
Antigens, CD24
Antigens, CD13
Antigens, Protozoan
T-Lymphocytes
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.
Antigens, CD86
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.
Flow Cytometry
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.
B-Lymphocytes
Antigens, Polyomavirus Transforming
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.
Antigens, CD95
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.
HLA Antigens
Antigens, Differentiation, B-Lymphocyte
Antigens, CD45
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.
Immunophenotyping
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Sialic Acid Binding Ig-like Lectin 3
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.
Antigens, Helminth
Receptors, Antigen, T-Cell
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.
Antigens, CD18
Lymphocyte Activation
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.
Antigens, CD30
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.
CD8-Positive T-Lymphocytes
Antigens, CD9
Carcinoembryonic Antigen
HLA-DR Antigens
Antigens, CD15
Antigens, Viral, Tumor
Antigens, CD43
Antigens, CD36
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.
Amino Acid Sequence
Antigens, CD11
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.
Histocompatibility Antigens Class II
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.
Histocompatibility Antigens
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.
Antigens, CD59
Receptors, Antigen, B-Cell
Proliferating Cell Nuclear Antigen
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.
Antigens, CD57
Antigens, CD70
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.
Antigens, CD46
Lectins, C-Type
Antigens, CD58
Antigens, CD4
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.
Antigens, CD47
Antigens, CD11b
Base Sequence
Prostate-Specific Antigen
Antigens, CD11c
O Antigens
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)
HLA-A2 Antigen
Enzyme-Linked Immunosorbent Assay
An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed.
Immunohistochemistry
CD4 Lymphocyte Count
Immunoglobulin G
Antigens, Tumor-Associated, Carbohydrate
Antigens, CD55
Antigens, CD31
Tumor Cells, Cultured
Histocompatibility Antigens Class I
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.
Antigens, CD81
Cells, Cultured
Antigens, CD137
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.
Cell Differentiation
Lymphocytes
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.
Monocytes
HLA-A Antigens
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.
Cross Reactions
Dendritic Cells
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, Interleukin-2
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.
Blood Group Antigens
Hepatitis B Surface Antigens
Antigens, CD63
Transfection
Antibody Specificity
Antigens, CD151
Antigens, CD79
Fluorescent Antibody Technique
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.
HLA-D Antigens
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.
CD30 Ligand
Phenotype
N-Glycosyl Hydrolases
Burkitt Lymphoma
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.
Receptors, Antigen
Immunization
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).
Antibody Formation
Antigens, CD11a
RNA, Messenger
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.
Hepatitis B Antigens
Bone Marrow
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.
Antigen-Antibody Reactions
Immune Sera
Macrophages
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, SCID
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.
T-Lymphocytes, Cytotoxic
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 Fusion Proteins
Cell Division
Antigen-Presenting Cells
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.
Herpesvirus 4, Human
Receptors, Antigen, T-Cell, alpha-beta
HLA-B 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.
Immunologic Memory
Bone Marrow Cells
Cytotoxicity, Immunologic
Mice, Transgenic
MART-1 Antigen
Antigens, CD147
HIV Antigens
CTLA-4 Antigen
HL-60 Cells
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)
Antigens, CD82
Immunoenzyme Techniques
Antibodies
Gene Expression
Antigens, Thy-1
Cytokines
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.
Immune Tolerance
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.
Immunity, Cellular
Thymus Gland
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.
Autoantigens
Clone Cells
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)
Epstein-Barr Virus Nuclear Antigens
Interleukin-2
Immunoglobulin M
Biological Markers
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.
H-Y Antigen
Antigens, CD146
Antigens, Heterophile
T-Lymphocytes, Regulatory
Antibodies, Monoclonal, Murine-Derived
Epitopes, T-Lymphocyte
Interferon-gamma
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.
Antigens, CD98
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.
Hepatitis B Core Antigens
Peptides
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.
Antigen-Antibody Complex
Lymph Nodes
Immunodiffusion
HLA-DQ Antigens
Signal Transduction
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.
Mice, Inbred Strains
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.
Forssman Antigen
Rabbits
Antigens, CD274
Complement Fixation Tests
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.
Simian virus 40
Glycoproteins
Adjuvants, Immunologic
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.
Isoantigens
Hybridomas
gp100 Melanoma Antigen
Major Histocompatibility Complex
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.
Killer Cells, Natural
Bone marrow-derived lymphocytes that possess cytotoxic properties, classically directed against transformed and virus-infected cells. Unlike T CELLS; and B CELLS; NK CELLS are not antigen specific. The cytotoxicity of natural killer cells is determined by the collective signaling of an array of inhibitory and stimulatory CELL SURFACE RECEPTORS. A subset of T-LYMPHOCYTES referred to as NATURAL KILLER T CELLS shares some of the properties of this cell type.
Immunoelectrophoresis
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.
Structural and functional studies of the measles virus hemagglutinin: identification of a novel site required for CD46 interaction. (1/488)
The entry of measles virus (MV) into human cells is mediated by the initial attachment of the viral hemagglutinin (HA) to the complement regulatory protein CD46. Two subdomains, one each within CD46 short consensus repeats (SCRs) 1 and 2, are responsible for this interaction. However, little is known about the regions within MV HA needed for a high-affinity CD46 interaction. To better define the HA-CD46 interaction, we took three approaches: chimeric domain swapping, peptide scanning, and alanine scanning mutagenesis. Chimeras of MV HA and the closely related rinderpest virus (RPV) HA were generated and tested for cell surface expression and the ability to hemadsorb CD46+ red blood cells (RBC). Exchanges with the N terminus of RPV were tolerated as MV HA could be replaced with RPV HA up to amino-acid position 154. However, both larger swaps with RPV and a small RPV HA replacement at the C terminus aborted cell-surface expression. Peptide scanning with 51 overlapping peptides derived from three MV HA regions showed one peptide, corresponding to MV HA amino acids 468-487, blocked hemagglutination of African green monkey (AGM) RBCs and inhibited MV infection of Chinese hamster ovary cells (CHO) expressing human CD46. Alanine scanning mutants mapped sites on the MV HA that were not required for trafficking to the cell surface or function in hemagglutination as well as a novel site required for CD46 interaction, amino acids 473-477. (+info)Epitope mapping of 10 monoclonal antibodies against the pig analogue of human membrane cofactor protein (MCP). (2/488)
Pig membrane cofactor protein (MCP; CD46) is a 50 000-60 000 MW glycoprotein that is expressed on a wide variety of cells, including erythrocytes. Pig MCP has cofactor activity for factor I-mediated cleavage of C3b and is an efficient regulator of the classical and alternative pathway of human and pig complement. A panel of 10 monoclonal antibodies (mAbs) was collected from two different laboratories; all of these mAbs were raised against pig leucocytes and all recognized the same complex banding pattern on sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE) of erythrocyte membranes. All were shown to be reactive with pig MCP and were divided into four groups of mutually competitive antibodies based on competition studies for membrane-bound MCP and for soluble MCP, the latter by surface plasmon resonance (SPR) analysis. The antigenic properties of membrane-bound and soluble MCP were similar, although some interesting differences were revealed. None of the 10 mAbs were cross-reactive with human MCP and only one showed cross-reactivity with leucocytes from a panel of large mammals - a weak cross-reactivity with a subset of dog leucocytes. All antibodies in one of the epitope groups and some in a second epitope group were able to block the functional activity of pig MCP, as measured by inhibition of MCP-catalysed C3 degradation by factor I. (+info)Human CD46 enhances nitric oxide production in mouse macrophages in response to measles virus infection in the presence of gamma interferon: dependence on the CD46 cytoplasmic domains. (3/488)
CD46 is a transmembrane complement regulatory protein widely expressed on nucleated human cells. Laboratory-adapted strains of measles virus (MV) bind to the extracellular domains of CD46 to enter human cells. The cytoplasmic portion of CD46 consists of a common juxtamembrane region and different distal sequences called Cyt1 and Cyt2. The biological functions of these cytoplasmic sequences are unknown. In this study, we show that expression of human CD46 with the Cyt1 cytoplasmic domain in mouse macrophages enhances production of nitric oxide (NO) in response to MV infection in the presence of gamma interferon (IFN-gamma). Human CD46 does not increase the basal levels of NO production in mouse macrophages and does not augment NO production induced by double-stranded polyribonucleotides. Replacing the cytoplasmic domain of human CD46 with Cyt2 reduces MV and IFN-gamma-induced NO production in mouse macrophages. Deleting the entire cytoplasmic domains of human CD46 does not prevent MV infection but markedly attenuates NO production in response to MV and IFN-gamma. Mouse macrophages expressing a tailless human CD46 mutant are more susceptible to MV infection and produce 2 to 3 orders of magnitude more infectious virus than mouse macrophages expressing human CD46 with intact cytoplasmic domains. These results reveal a novel function of CD46 dependent on the cytoplasmic domains (especially Cyt1), which augments NO production in macrophages. These findings may have significant implications for roles of CD46 in innate immunity and MV pathogenesis. (+info)Infection of chicken embryonic fibroblasts by measles virus: adaptation at the virus entry level. (4/488)
Measles virus (MV) has a tropism restricted to humans and primates and uses the human CD46 molecule as a cellular receptor. MV has been adapted to grow in chicken embryonic fibroblasts (CEF) and gave rise to an attenuated live vaccine. Halle and Schwarz MV strains were compared in their ability to infect both simian Vero cells and CEF. Whereas both strains infected Vero cells, only the CEF-adapted Schwarz strain was able to efficiently infect CEF. Since the expression of the human MV receptor CD46 rendered the chicken embryonic cell line TCF more permissive to the infection by the Halle MV strain, the MV entry into CEF appeared to be a limiting step in the absence of prior MV adaptation. CEF lacked reactivity with anti-CD46 antibodies but were found to express another protein allowing MV binding as an alternative receptor to CD46. (+info)Detection of partial and complete acrosome reaction in human spermatozoa: which inducers and probes to use? (5/488)
The acrosome reaction (AR), an essential step for achieving mammalian fertilization, was recently introduced as a means of clinical evaluation of male fertility. However, most of the available techniques for acrosomal status assessment (except those employing electron microscopy) do not define whether the measurements represent partial or complete AR. We, therefore, performed a crossover investigation of the types of inducers and probes required for detecting partial or complete AR in human spermatozoa. The acrosomal status before and after stimulation with four AR inducers was evaluated after incubation for 3 h in capacitating conditions. We used a fluorescence-activated cell sorter with fluorescein isothiocyanate-conjugated monoclonal antibody CD46 (FITC-CD46) targeting the inner acrosomal membrane for detecting a complete AR, and fluorescein isothiocyanate-Pisum sativum agglutinin (FITC-PSA) targeting the acrosomal content for detection of both partial and complete AR. Without stimulation or following stimulation with progesterone, follicular fluid (FF) or phorbol myristate ester (PMA), the AR could be detected with FITC-PSA but not with FITC-CD46. Following stimulation with the calcium ionophore A23187, the AR could be detected by both FITC-PSA and FITC-CD46. These results suggest that spontaneous AR as well as AR induced by progesterone, PMA and FF are partial. In contrast, the AR induced by A23187 is total, i.e. both partial and complete. These findings are valuable for both research and clinical purposes and are a step towards an international agreement on a standard test for human sperm AR, for which there is an urgent need. (+info)Progesterone promotes the acrosome reaction in capacitated human spermatozoa as judged by flow cytometry and CD46 staining. (6/488)
The acrosome reaction is a necessary prerequisite for spermatozoa to acquire fertilizing ability. Several different moieties appear to promote the acrosome reaction through different pathways, including solubilized zona pellucidae, recombinant zona protein ZP3, follicular fluid, calcium ionophores, and mannosylated bovine serum albumin (BSA). Although many investigators have presented evidence that progesterone also promotes the acrosome reaction through the mediation of a non-genomic cell membrane receptor, this concept has been challenged. Other workers have suggested that progesterone does not promote an acrosome reaction in human spermatozoa, as judged by the detection of CD46, a complement regulatory protein present on the inner acrosome membrane, through flow cytometric analysis of large numbers of spermatozoa. Prior investigations were criticized by the limited numbers of spermatozoa enumerated visually, the use of non-specific staining techniques, and the failure to eliminate dead spermatozoa during the scoring of the acrosome reaction. We have repeated these experiments, using both a supravital dye to eliminate dead spermatozoa from flow cytometric analysis, and anti-CD46 monoclonal antibody to score acrosome-reacted spermatozoa. Care was taken to validate the adequacy of capacitation conditions, which were proven by the ability of spermatozoa to acrosome react in response to mannosylated BSA and to penetrate zona-free hamster eggs. Confocal microscopy was used to confirm that CD46 immunostaining was limited to the acrosomal region of the spermatozoon head. Our results indicate that progesterone does promote an acrosome reaction within capacitated spermatozoa. (+info)Crystal structure of two CD46 domains reveals an extended measles virus-binding surface. (7/488)
Measles virus is a paramyxovirus which, like other members of the family such as respiratory syncytial virus, is a major cause of morbidity and mortality worldwide. The cell surface receptor for measles virus in humans is CD46, a complement cofactor. We report here the crystal structure at 3.1 A resolution of the measles virus-binding fragment of CD46. The structure reveals the architecture and spatial arrangement of two glycosylated short consensus repeats with a pronounced interdomain bend and some flexibility at the domain interface. Amino acids involved in measles virus binding define a large, glycan-free surface that extends from the top of the first to the bottom of the second repeat. The extended virus-binding surface of CD46 differs strikingly from those reported for the human virus receptor proteins CD4 and intercellular cell adhesion molecule-1 (ICAM-1), suggesting that the CD46 structure utilizes a novel mode of virus recognition. A highly hydrophobic and protruding loop at the base of the first repeat bears a critical virus-binding residue, thereby defining an important recognition epitope. Molecules that mimic the conformation of this loop potentially could be effective anti-viral agents by preventing binding of measles virus to CD46. (+info)Exogenous gene expression and protein targeting in lens fiber cells. (8/488)
PURPOSE: To test the ability of lens fiber cells at various stages of differentiation to transcribe and translate microinjected DNA templates. METHODS: Expression plasmids encoding green fluorescent protein (GFP) or a GFP-tagged membrane protein (human CD46) were microinjected into organ-cultured embryonic chicken lenses. Protein expression was visualized by confocal microscopy. RESULTS: GFP expression was detected within 12 hours of microinjection, evenly distributed throughout the cytoplasm of the injected cell. All nucleated fiber cells were competent to express GFP, whereas the anucleated central fiber cells were not. When GFP was fused to the C-terminal of CD46, the fusion protein was synthesized intact and properly inserted in the fiber cell plasma membrane. In contrast, N-terminal fusions were cleaved during synthesis, resulting in retention of the GFP tag in the endoplasmic reticulum. CONCLUSIONS: Microinjection of expression plasmids is an effective technique for introducing exogenous genes into individual fiber cells. With this approach, the results show that fiber cells are transcriptionally and translationally competent until the time of organelle loss, and that fiber cells deep within the lens are capable of synthesizing new plasma membrane proteins. The techniques described here should have broad application in studies of fiber cell differentiation and provide a useful complement to conventional transgenic approaches. (+info)
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Measles virus encoding the human thyroidal sodium iodide symporter
The human CD46 antigen is known to be the functional cellular receptor for Measles virus. This type 1 integral membrane ... Dörig, R. E.; A. Marcil; A. Chopra; C. D. Richardson (1993-10-22). "The human CD46 molecule is a receptor for measles virus ( ... is an improvement over initial efforts to engineer a Measles virus to carry the soluble marker human carcinoembryonic antigen ( ...
Measles
... and antigen-presenting cells, or nectin-4, a cellular adhesion molecule. Once bound, the fusion, or F protein helps the virus ... which could be CD46, which is expressed on all nucleated human cells, CD150, aka signaling lymphocyte activation molecule or ...
List of MeSH codes (D12.776.124)
... antigens, cd46 MeSH D12.776.124.486.274.920.250 - complement c1 inactivator proteins MeSH D12.776.124.486.274.920.250.500 - ... antigen, b-cell MeSH D12.776.124.486.485.950.500 - antigens, cd79 MeSH D12.776.124.790.106.050 - alpha 1-antichymotrypsin MeSH ... antigen-antibody complex MeSH D12.776.124.486.485.114.301 - antitoxins MeSH D12.776.124.486.485.114.301.138 - antivenins MeSH ... antigen-antibody complex MeSH D12.776.124.790.651.114.301 - antitoxins MeSH D12.776.124.790.651.114.301.138 - antivenins MeSH ...
List of MeSH codes (D23)
... antigens, cd43 MeSH D23.050.301.264.035.145 - antigens, cd45 MeSH D23.050.301.264.035.146 - antigens, cd46 MeSH D23.050.301.264 ... antigens, cd43 MeSH D23.101.100.110.145 - antigens, cd45 MeSH D23.101.100.110.146 - antigens, cd46 MeSH D23.101.100.110.147 - ... antigens, cd15 MeSH D23.101.100.900.131 - antigens, cd31 MeSH D23.101.100.920 - antigens, ly MeSH D23.101.100.930 - antigens, ... forssman antigen MeSH D23.050.285.018 - antigens, cd24 MeSH D23.050.285.025 - antigens, cd30 MeSH D23.050.285.040 - antigens, ...
Sushi domain
IFC and UMC antigens. Complement receptor type 1 (C3b/C4b receptor) (Antigen CD35) belongs to the Knops blood group system and ... CD46, CD55, CFB, CFH, CFHR1, CFHR2, CFHR3, CFHR4, CFHR5, CR1, CR1L, CR2, CSMD1, CSMD2, CSMD3, CSPG3, DAF, F13B, FHR4, GABBR1, ... Some of the proteins in this group are responsible for the molecular basis of the blood group antigens, surface markers on the ... Complement decay-accelerating factor (Antigen CD55) belongs to the Cromer blood group system and is associated with Cr(a), Dr(a ...
List of MeSH codes (D12.776.543)
... antigen, t-cell, gamma-delta MeSH D12.776.543.750.705.833.124 - antigens, cd46 MeSH D12.776.543.750.705.833.249 - integrin ... antigen, b-cell MeSH D12.776.543.750.705.816.821.500 - antigens, cd79 MeSH D12.776.543.750.705.816.824 - receptors, antigen, t- ... antigens, cd22 MeSH D12.776.543.550.200.124 - antigens, cd24 MeSH D12.776.543.550.200.131 - antigens, cd31 MeSH D12.776.543.550 ... antigens, cd27 MeSH D12.776.543.750.705.852.760.072 - antigens, cd30 MeSH D12.776.543.750.705.852.760.097 - antigens, cd40 MeSH ...
CD46
... antigen at the US National Library of Medicine Medical Subject Headings (MeSH) Human CD46 genome location and CD46 gene details ... "Entrez Gene: CD46 CD46 molecule, complement regulatory protein". Riley-Vargas RC, Gill DB, Kemper C, Liszewski MK, Atkinson JP ... CD46 complement regulatory protein also known as CD46 (cluster of differentiation 46) and Membrane Cofactor Protein is a ... As has been demonstrated for CD46 with other ligands, the CD46 protein structure is believed to linearize upon binding HHV-6. ...
Virotherapy
That antigen could be from any species of virus/bacteria or even human disease antigens, for example cancer antigens. Vaccines ... One example of this is the targeting of CD46 on multiple myeloma cells by measles virus. The expression of these receptors are ... Chimeric antigen receptor T cell (CAR T cell) are a type of immunotherapy that makes use of viral gene editing. CAR T cell use ... Tumor antigens and danger-associated molecular patterns are also released during the lysis process which helps recruit host ...
Duffy antigen system
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 ...
CD151
Raph blood group system in the BGMUT blood group antigen gene mutation database Human CD151 genome location and CD151 gene ... Lozahic S, Christiansen D, Manié S, Gerlier D, Billard M, Boucheix C, Rubinstein E (March 2000). "CD46 (membrane cofactor ... CD151 has been shown to interact with CD46. Cluster of differentiation Tetraspanin GRCh38: Ensembl release 89: ENSG00000177697 ... identifies a novel platelet surface antigen". Br. J. Haematol. 79 (2): 263-70. doi:10.1111/j.1365-2141.1991.tb04531.x. PMID ...
C3b
The key to the success of the complement system in clearing antigens is regulating the effects of C3b to pathogens alone and ... An example RCA is membrane cofactor protein (MCP; CD46), which is ubiquitously expressed and plays a critical role in ... Additionally, C3b molecules can attach to the Fc regions of antigen-bound antibodies leading to phagocytosis or movement to the ... C3b is potent in opsonization: tagging pathogens, immune complexes (antigen-antibody), and apoptotic cells for phagocytosis. ...
Integrin beta 1
CD29+Antigen at the US National Library of Medicine Medical Subject Headings (MeSH) Human ITGB1 genome location and ITGB1 gene ... CD29 has been shown to interact with ACTN1; CD46, CD9, FHL2, Filamin, FLNB, CD81, GNB2L1, ITGB1BP1, LGALS8, MAP4K4, NME1, PKC ... These and other integrin beta 1 complexes have been historically known as very late activation (VLA) antigens. Integrin beta 1 ... Lozahic S, Christiansen D, Manié S, Gerlier D, Billard M, Boucheix C, Rubinstein E (Mar 2000). "CD46 (membrane cofactor protein ...
Xenotransplantation
Indirect xenorecognition involves the presentation of antigens from the xenograft by recipient antigen presenting cells to CD4+ ... Experiments have shown this reduces α-Gal expression by 70%. Expression of human complement regulators (CD55, CD46, and CD59) ... Antigens of phagocytosed graft cells can also be presented by the host's class I MHC molecules to CD8+ T cells. The strength of ... These antigens (foreign objects) are often treated with powerful immunosuppressive drugs that could, in turn, make the patient ...
Primary immunodeficiency
This is carried out by using donor-derived antigen-presenting cells. These new methods have reduced culture time to 10-12 days ... CD46) deficiency Membrane attack complex inhibitor (CD59) deficiency Paroxysmal nocturnal hemoglobinuria Immunodeficiency ... recurrent infections and failure of the development of antibodies on exposure to antigens. The 1999 criteria also distinguish ... selective immunoglobulin A deficiency Specific antibody deficiency to specific antigens with normal B cell and normal Ig ...
Multiple sclerosis biomarkers
MS patients are also known to be CD46 defective, and this leads to Interleukin-10 (IL-10) deficiency, being this involved in ... and down-regulation of CNS antigens, tested by microarrays. In particular, RRMS is characterized by autoantibodies to heat ...
Xenotransplantation
Antigens of phagocytosed graft cells can also be presented by the host's class I MHC molecules to CD8+ T cells.[1][29] ... Expression of human complement regulators (CD55, CD46, and CD59) to inhibit the complement cascade.[27] ... Indirect xenorecognition involves the presentation of antigens from the xenograft by recipient antigen presenting cells to CD4+ ... In direct xenorecognition, antigen presenting cells from the xenograft present peptides to recipient CD4+ T cells via ...
CD59
1990). "The CD59 antigen is a structural homologue of murine Ly-6 antigens but lacks interferon inducibility". Eur. J. Immunol ... CD46) and decay accelerating factor (CD55)". Eur. J. Immunol. 22 (6): 1579-1585. doi:10.1002/eji.1830220635. PMID 1376264. ... CD59+Antigen at the US National Library of Medicine Medical Subject Headings (MeSH) Human CD59 genome location and CD59 gene ... 1990). "Isolation and expression of the full-length cDNA encoding CD59 antigen of human lymphocytes". DNA Cell Biol. 9 (3): 213 ...
Complement system
C3b binds to antigen-associated Ig and to the microbe surface. Ability of C3b to bind to antigen-associated Ig would work ... CD46, CD55 and CD59, depending on the cell. Pathogens, in general, don't have complement regulatory proteins (there are many ... which has formed a complex with antigens. C4b and C3b are also able to bind to antigen-associated IgG or IgM, to its Fc portion ... Upon immunization with an antigen, more of these receptors are formed, and they are then shed from the cells to circulate in ...
TSPAN4
This encoded protein is a cell surface glycoprotein and is similar in sequence to its family member CD53 antigen. It is known ... 2000). "CD46 (membrane cofactor protein) associates with multiple beta1 integrins and tetraspans". Eur. J. Immunol. 30 (3): 900 ...
CD9
... has been shown to interact with: CD117, CD29 CD46, CD49c, CD81, PTGFRN, TSPAN4. CD63 ADAM17 CD81 Tetraspanin Myogenesis ... "Molecular cloning of the CD9 antigen. A new family of cell surface proteins". The Journal of Biological Chemistry. 266 (1): 117 ... Lozahic S, Christiansen D, Manié S, Gerlier D, Billard M, Boucheix C, Rubinstein E (March 2000). "CD46 (membrane cofactor ... "Molecular cloning of the mouse equivalent of CD9 antigen". Thrombosis Research. 71 (5): 377-83. doi:10.1016/0049-3848(93)90162- ...
Lipid raft
... endocytosis of antigen bound to the BCR and its routing to late endosomes to facilitate loading of antigen-derived peptides ... binds to human CD46 on host cell surface. All these viral receptors are located in lipid rafts or would be relocated into lipid ... T cell antigen receptor signalling, B cell antigen receptor signalling, EGF receptor signalling, insulin receptor signalling ... The process of B cell antigen receptor signalling is similar to Immunoglobulin E signalling and T-cell antigen receptor ...
CD59 - 维基百科,自由的百科全书
The CD59 antigen is a structural homologue of murine Ly-6 antigens but lacks interferon inducibility. Eur. J. Immunol. 1990, 20 ... CD46) and decay accelerating factor (CD55). Eur. J. Immunol. 1992, 22 (6): 1579-1585. PMID 1376264. doi:10.1002/eji.1830220635. ... 醫學主題詞表(MeSH):CD59+Antigen. *Human CD59 genome location and CD59 gene details page in the UCSC Genome Browser(英语:UCSC Genome ... Isolation and expression of the full-length cDNA encoding CD59 antigen of human lymphocytes. DNA Cell Biol. 1990, 9 (3): 213- ...
List of primary immunodeficiencies
CD46) deficiency Membrane attack complex inhibitor (CD59) deficiency Paroxysmal nocturnal hemoglobinuria Ficolin 3 deficiency ... selective immunoglobulin A deficiency Specific antibody deficiency to specific antigens with normal B cell and normal Ig ...
Adenoviridae
The two currently established receptors are: CD46 for the group B human adenovirus serotypes and the coxsackievirus/adenovirus ... Adenovirus dodecahedron can qualify as a potent delivery platform for foreign antigens to human myeloid dendritic cells (MDC), ... can deliver DNA coding for specific antigens. Adenovirus have been used to produce viral vector COVID-19 vaccines. "In four ... adenovirus can be identified with antigen detection, polymerase chain reaction (PCR), virus isolation and serology. Even if ...
ATP1B3 - Википедия
Tissue Antigens (англ.)русск. : journal. - 2007. - Vol. 68, no. 6. - P. 509-517. - DOI:10.1111/j.1399-0039.2006.00726.x. - PMID ...
CD97 - Википедија, слободна енциклопедија
CD97 antigen je protein koji je kod ljudi kodiran CD97 genom.[1][2][3] ... CD46 • CD47 • CD48 • CD49 (a, b, c, d, e, f) • CD50 ... 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. ...
Acrosome reaction
The contents include surface antigens necessary for binding to the egg's cell membrane, and numerous enzymes which are ... or fluoresceinated antibody such as FITC-CD46. The antibodies/lectins have a high specificity for different parts of the ... "Comparative flow cytometric analysis of the human sperm acrosome reaction using CD46 antibody and lectins". Journal of Assisted ...
Basigin
1997). "The Oka blood group antigen is a marker for the M6 leukocyte activation antigen, the human homolog of OX-47 antigen, ... 1992). "Human leukocyte activation antigen M6, a member of the Ig superfamily, is the species homologue of rat OX-47, mouse ... Kasinrerk W, Fiebiger E, Stefanová I, Baumruker T, Knapp W, Stockinger H (1992). "Human leukocyte activation antigen M6, a ... Ok blood group system at BGMUT Blood Group Antigen Gene Mutation Database at NCBI, NIH ...
Alternative complement pathway
MCP or CD46) ... Antigen presentation/Professional APCs: Dendritic cell. * ...
CD74 - Википедия
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.) // ...
Faktor aktivacije B-ćelija
2000). "Characterization of a new member of the TNF family expressed on antigen presenting cells.". Biol. Chem. 380 (12): 1443- ... CD46 • CD47 • CD48 • CD49 (a, b, c, d, e, f) • CD50 ... independent compartments among naïve and antigen-experienced B ...
CD30
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): ...
P-selectin
Macrophage-1 antigen (CD11b+CD18). *VLA-4 (CD49d+CD29). *Glycoprotein IIb/IIIa (ITGA2B+ITGB3) ...
Меланотрансферрин - Википедия
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 ( ...
CEACAM5
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". ...
ABCG2
The protein also carries the Jr(a) antigen, which defines the Junior blood group system.[9] ...
CLEC12A - Википедия
van Rhenen A., van Dongen G. A., Kelder A., et al. The novel AML stem cell associated antigen CLL-1 aids in discrimination ...
CDH1 (gene)
"Interaction of glycogen synthase kinase 3beta with the DF3/MUC1 carcinoma-associated antigen and beta-catenin". Molecular and ...
C-C chemokine receptor type 6
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): ...
Limfocyty T regulatorowe, wolna encyklopedia
Antigen-specific peripheral shaping of the natural regulatory T cell population. „J Exp Med". 205 (13), s. 3105-3117, grudzień ... po uprzednim otrzymaniu sygnału za pośrednictwem cząsteczki CD46[91]. ... De novo production of antigen-specific suppressor cells in vivo. „Nat Protoc". 1 (2), s. 653-661, 2006. PMID: 17802642. ... Regulation of the immune response to tumor antigens. X. Activation of third-order suppressor T cells that abrogate anti-tumor ...
CD15
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 ...
LAG3
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. • ...
CD97
... antigen je protein koji je kod ljudi kodiran CD97 genom.[1][2][3] ... CD46 • CD47 • CD48 • CD49 (a, b, c, d, e, f) • CD50 ... 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. ...
Complement system
C3b binds to antigen-associated Ig and to the microbe surface. Ability of C3b to bind to antigen-associated Ig would work ... CD46, CD55 and CD59, depending on the cell. Pathogens, in general, don't have complement regulatory proteins (there are many ... which has formed a complex with antigens. C4b and C3b are also able to bind to antigen-associated IgG or IgM, to its Fc portion ... This occurs when C1q binds to IgM or IgG complexed with antigens. A single pentameric IgM can initiate the pathway, while ...
Integrin beta 3
"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) ...
Dipeptidyl peptidase-4
"Direct association of adenosine deaminase with a T cell activation antigen, CD26". Science. 261 (5120): 466-9. doi:10.1126/ ...
CD154
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". ...
CD36 - Википедия
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 ...
VCAM-1
Primarily, the VCAM-1 protein is an endothelial ligand for VLA-4 (Very Late Antigen-4 or integrin α4β1) of the β1 subfamily of ...
CXCR5 - Википедия
... uveitis antigens induce CXCR3- and CXCR5-expressing lymphocytes and immature dendritic cells to migrate (англ.) // Blood (англ ...
CD8
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 ...
SLAMF1
antigen binding. • virus receptor activity. • protein binding. • transmembrane signaling receptor activity. • identical protein ...
C5a receptor
1996). "CD88 antibodies specifically bind to C5aR on dermal CD117+ and CD14+ cells and react with a desmosomal antigen in human ... CD46 • CD47 • CD48 • CD49 (a, b, c, d, e, f) • CD50 ...
Measles
... and antigen-presenting cells, or nectin-4, a cellular adhesion molecule.[40][42] Once bound, the fusion, or F protein helps the ... which could be CD46, which is expressed on all nucleated human cells, CD150, aka signaling lymphocyte activation molecule or ...
CD46 Gene - GeneCards | MCP Protein | MCP Antibody
CD46 Molecule, including: function, proteins, disorders, pathways, orthologs, and expression. GeneCards - The Human Gene ... Suggested Antigen Peptide Sequences for CD46 Gene. GenScript: Design optimal peptide antigens:. *Trophoblast leukocyte common ... View all 13 R&D Systems CD46 (CD46) Products. *View all 2 R&D Systems CD46 (CD46) Proteins and Enzymes*Recombinant Human CD46 ... GeneCards Summary for CD46 Gene CD46 (CD46 Molecule) is a Protein Coding gene. Diseases associated with CD46 include Hemolytic ...
TotalSeq-A0858 anti-human CD46 Antibody, CD46, TRA-2-10
Multiple isoforms of CD46 have been reported with molecular weights ranging from 45-75 kD. CD4 ... CD46 is a transmembrane protein that is known as a complement membrane cofactor protein, MCP, and measles virus receptor. It is ... Antigen References 1. Cardone J, et al. 2010. Nat. Immunol. 11:862.. 2. Dorig RE, et al. 1993. Cell 75:295.. 3. Kemper C, et al ... Multiple isoforms of CD46 have been reported with molecular weights ranging from 45-75 kD. CD46 binds complement components C3b ...
CD46 Mouse anti-Human, Alexa Fluor 532, Clone: 122.2, Novus Biologicals
| Fisher Scientific
Novus Biologicals CD46 Antibody; Alexa Fluor 532; 0.1 mL. ... Shop a large selection of products and learn more about CD46 ... AHUS2, CD46 antigen, CD46 molecule, complement regulatory protein, membrane cofactor protein (CD46, trophoblast-lymphocyte ... trophoblast leucocyte common antigen, Trophoblast leukocyte common antigen, trophoblast-lymphocyte cross-reactive antigen. ... CD46 Monoclonal antibody specifically detects CD46 in Human samples. It is validated for Western Blot,Flow Cytometry,ELISA, ...
Activation of human CD4+ cells with CD3 and CD46 induces a T-regulatory cell 1 phenotype
Unresponsiveness to harmless antigens is established through central and peripheral processes. Whereas clon … ... but also between innocuous and pathological foreign antigens to prevent unnecessary or self-destructive immune responses. ... Activation of human CD4+ cells with CD3 and CD46 induces a T-regulatory cell 1 phenotype Nature. 2003 Jan 23;421(6921):388-92. ... These CD3/CD46-stimulated IL-10-producing CD4+ cells proliferate strongly, suppress activation of bystander T cells and acquire ...
CD46 - Membrane cofactor protein precursor - Bos taurus (Bovine) - CD46 gene & protein
CD_antigen: CD46. ,p>This subsection of the ,a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy ... "CD46 is a cellular receptor for bovine viral diarrhea virus.". Maurer K., Krey T., Moennig V., Thiel H.-J., Ruemenapf T.. J. ... "CD46 is a cellular receptor for bovine viral diarrhea virus.". Maurer K., Krey T., Moennig V., Thiel H.-J., Ruemenapf T.. J. ... "CD46 is a cellular receptor for bovine viral diarrhea virus.". Maurer K., Krey T., Moennig V., Thiel H.-J., Ruemenapf T.. J. ...
Complement System - CD46 (MCP) |authorSTREAM
CD46 complement, also known as membrane cofactor protein (MCP), is a type 1 transmembrane glycoprotein which is widely ... Complement system - CD46 MCP Introduction of CD46 MCP CD46 complement also known as membrane cofactor protein MCP is a type 1 ... 46 Immunoglobulins , Complement system, Antigen Antibody reactions By: prabukutti4u * MCP PPT By: aSGuest45575 ... Fig.1 The Structure of the CD46 protein. Reynaud 2013. slide 2: Functions of CD46 MCP • Regulator of Complement Activation CD46 ...
TCR-stimulated changes in cell surface CD46 expression generate type 1 regulatory T cells | Science Signaling
Ligation of the cell surface receptor, CD46, alters T cell polarity and response to antigen presentation. Proc. Natl. Acad. Sci ... CD46-BC1-GFP and CD46-ΔSTP-GFP are expressed at the cell surface and recognized by the anti-CD46 antibody. ... CD46 is a highly glycosylated type I transmembrane protein. N-glycosylation of CD46 is required for CD46 complement regulatory ... Deletion of the STP domain of CD46 impairs CD46 recruitment to the immune synapse. We next considered whether the altered CD46- ...
CD46 Antibody (C-term) - Peptide Affinity Purified Rabbit Polyclonal Antibody (Pab) WB, IHC-P, FC, IF, E - Buy Now! |Abgent
CD46 Antibody (C-term), Peptide Affinity Purified Rabbit Polyclonal Antibody (Pab) validated in WB, IHC-P, FC, IF, E (AP4785b ... Membrane cofactor protein, TLX, Trophoblast leukocyte common antigen, CD46, CD46, MCP, MIC10. ... home , Products , Primary Antibodies , Immunology , CD46 Antibody (C-term) CD46 Antibody (C-term). Peptide Affinity Purified ... CD46 is a type I membrane protein and is a regulatory part of the complement system. The encoded protein has cofactor activity ...
MEDLINE - Resultado p gina 1
0 (Actins); 0 (CD46 protein, human); 0 (CD55 Antigens); 0 (CD59 Antigens); 0 (Complement Membrane Attack Complex); 0 ( ... Shear stress was observed to promote the expression of complement regulatory protein CD59, but not CD46 or CD55, on EPCs. In ... In this study, we observed shear stress-mediated changes in the expression of complement regulatory proteins CD46, CD55, and ... Membrane regulatory proteins, such as CD46, CD55, and CD59, prevent excess complement activation and to protect cells from ...
KEGG BRITE: CD Molecules - Homo sapiens (human)
K04007 CD46; membrane cofactor protein K06266 CD47; CD47 antigen (Rh-related antigen, integrin-associated signal transducer) ... CD79A antigen K06507 CD79B; CD79B antigen K05412 CD80; CD80 antigen K06508 CD81; CD81 antigen K06509 KAI1; CD82 antigen K06510 ... CD300 antigen K06719 CD300; CD300 antigen K06719 CD300; CD300 antigen K06719 CD300; CD300 antigen K06721 CLEC10A; C-type lectin ... CD96 antigen K08446 ADGRE5; CD97 antigen K06519 SLC3A2; solute carrier family 3, member 2 K06520 CD99; CD99 antigen K06521 ...
JCI -
Antibody-drug conjugate targeting CD46 eliminates multiple myeloma cells
CD46 antigen density on various BM cell populations from 3 normal donors. (. G. ) CD46 antigen density on various peripheral ... Quantitative FACS results for CD46 antigen density from MM versus NPCs from patients with amp1q21 (1q+, n. = 5). (. D. ) CD46 ... CD46 antigen density on various BM normal cell populations compared with MM cells from 7 additional patients. (. F. ) ... Quantitative FACS results for CD46 antigen density from MM versus NPCs from patients with normal (Nml) 1q (. n. = 5). (. C. ) ...
BUV496 Mouse Anti-Human CD46
CD46 is also known as membrane cofactor protein (MCP). CD46 is a type I membrane glycoprotein composed of two non-disulfide ... CD46 is also known as membrane cofactor protein (MCP). CD46 is a type I membrane glycoprotein composed of two non-disulfide ... CD46 promotes the enzymatic degradation of activated C3b and/or C4b deposited on host cells. It also serves as the measles ... CD46 promotes the enzymatic degradation of activated C3b and/or C4b deposited on host cells. It also serves as the measles ...
CD46 antibodies, human - Primary antibodies - Antibodies - MACS Flow Cytometry - Products - Miltenyi Biotec
CD46 acts as a co-factor for complement factor I, a serine protease which protects autologous cells against complement-mediated ... Additionally, CD46 functions as a receptor for measles virus, human herpesvirus, and human adenovirus. It is a potent ... At least fourteen different transcript variants encoding different isoforms have been found for CD46. It is expressed by a ... Clone REA312 recognizes the human CD46 antigen, a type I transmembrane glycoprotein, which is also known as the membrane ...
CiNii Articles - Ikawa Masahito
JCI -
Antigen expression determines adenoviral vaccine potency independent of IFN and STING signaling
Gaggar A, Shayakhmetov DM, Lieber A. CD46 is a cellular receptor for group B adenoviruses. Nat Med. 2003;9(11):1408-1412.. View ... Antigen expression determines adenoviral vaccine potency independent of IFN and STING signaling. Kylie M. Quinn,1 Daniel E. Zak ... Prior studies have shown that certain rAds can differ with respect to antigen (Ag) expression levels in vivo and their innate ... Type-I IFN signaling is required for the induction of antigen-specific CD8(+) T cell responses by adenovirus vector vaccine in ...
Measles virus encoding the human thyroidal sodium iodide symporter - Wikipedia
The human CD46 antigen is known to be the functional cellular receptor for Measles virus. This type 1 integral membrane ... Dörig, R. E.; A. Marcil; A. Chopra; C. D. Richardson (1993-10-22). "The human CD46 molecule is a receptor for measles virus ( ... is an improvement over initial efforts to engineer a Measles virus to carry the soluble marker human carcinoembryonic antigen ( ...
Characterization of CD46 and β1 integrin dynamics during sperm acrosome reaction | Scientific Reports
Moreover, CD46 and β1 integrins with subunit α3, but not α6, are localized into the apical acrosome and are expected to be ... The unique presence of the membrane cofactor protein CD46 in the sperm acrosomal membrane was shown, however, its behaviour and ... Using super resolution microscopy, we demonstrated a dynamic CD46 reorganisation over the sperm head during the AR and its ... Expression of CD15 (Lewisx) antigen on human sperm and its role in sperm-egg interaction. Am. J. Reprod. Immunol. 37, 172-183 ( ...
Anti-Hu CD46 Purified - EXBIO Antibodies
Exbio - Research products - Antibodies - CD and related antigens - Anti-Hu CD46 Purified ... The antibody MEM-258 recognizes an epitope on SCR4 (the membrane-proximal SCR) domain of CD46 (Membrane cofactor protein). CD46 ... CD46, alters T cell polarity and response to antigen presentation. Proc Natl Acad Sci U S A. 2006 Dec 5;103(49):18685-90. ... Gaggar A, Shayakhmetov DM, Lieber A: CD46 is a cellular receptor for group B adenoviruses. Nat Med. 2003 Nov;9(11):1408-12. ...
Anti-Human CD46 MAb Stable Cell Line-CHO CSC-P0620 - Creative BioMart
... which has been transfected with an Anti-human CD46 MAb gene to allow expression of the MAb. It is an example of a cell line ... CHO-Anti-Human CD46 MAb stable cell line is clonally-derived from a CHO cell line, ... CD46. Synonyms:. CD46; CD46 molecule, complement regulatory protein; antigen identified by monoclonal TRA 2 10 , CD46 antigen, ... CD46 antigen, complement regulatory protein; trophoblast-lymphocyte cross-reactive antigen; antigen identified by monoclonal ...
Complement inhibition enables renal allograft accommodation and long-term engraftment in presensitized nonhuman primates. -...
CD46/Membrane Cofactor Protein · QED Bioscience Inc
Antigen: Recombinant human CD46.. Host species: Mouse.. Antibody Class: IgG1.. Preservative: None. ... Additional bands due to glycosylation of CD46 may be detected.. ELISA: use at 0.1-1ug/ml with human CD46 on the solid phase.. ... CD46 / Membrane Cofactor Protein is a type I membrane protein and is a regulatory part of the complement system; it has ... CD46 / Membrane Cofactor Protein Monoclonal Antibody. ORDERING INFORMATION. Catalog No.: 90004 (clone 3F1) Format: 100ug, ...
CD46 - Wikipedia
... antigen at the US National Library of Medicine Medical Subject Headings (MeSH) Human CD46 genome location and CD46 gene details ... "Entrez Gene: CD46 CD46 molecule, complement regulatory protein". Riley-Vargas RC, Gill DB, Kemper C, Liszewski MK, Atkinson JP ... CD46 complement regulatory protein also known as CD46 (cluster of differentiation 46) and Membrane Cofactor Protein is a ... As has been demonstrated for CD46 with other ligands, the CD46 protein structure is believed to linearize upon binding HHV-6. ...
cd209a Protein, CD209a antigen - Creative BioMart
The receptor returns to the cell membrane surface and the pathogen-derived antigens are presented to resting T-cells via MHC ... Probably recognizes in a calcium-dependent manner high mannose N-linked oligosaccharides in a variety of pathogen antigens, ... Lewis-x antigen in Helicobacter pylori LPS, mannose in Klebsiella pneumonae LPS, di-mannose and tri-mannose in Mycobacterium ... tuberculosis ManLAM and Lewis-x antigen in Schistosoma mansoni SEA.,br/,On DCs it is a high affinity receptor for ICAM2 and ...
Frontiers | Xenotransplantation: Current Status in Preclinical Research | Immunology
The direct pathway refers to the recognition of antigens presented by pig antigen-presenting cells (APCs) by recipient T cells ... Expression of human CD46 modulates inflammation associated with GalTKO lung xenograft injury. Am J Transplant. (2014) 14:1084- ... These data suggest that non-Gal antigens cause AHXR, and non-Gal antigens present an additional barrier to the transplantation ... is the third examined xenogeneic antigen (29). This antigen was first identified using complementary DNA expression libraries ...
Measles Virus Infection in the Placenta of Monozygotic Twins | Modern Pathology
... and only a few syncytiotrophoblasts were positive for measles virus antigen. At present, 7 months after the delivery, the ... and some residual trophoblasts contained many inclusion bodies positive for measles virus antigen. Fetal organs and cells other ... Dorig RE, Marcil A, Richardson CD . CD46, a primate-specific receptor for measles virus. Trends Microbiol 1994; 2: 312-318. ... No MV antigen was demonstrated in any organ other than the spleen, in which there were a few scattered lymphoid cells positive ...
Fortis Therapeutics Receives FDA Clearance of Two IND Applications for Novel Anti-CD46 Therapeutic for Treatment of Late-Stage...
... against CD46, today announced the U.S. Food and ... surface antigens present on the cells. ... Fortis Therapeutics Receives FDA Clearance of Two IND Applications for Novel Anti-CD46 Therapeutic for Treatment of Late-Stage ... "CD46 is an attractive target for a number of cancers but has yet to be exploited due to its role in healthy tissues," said Jay ... While CD46 is expressed throughout the body, preclinical studies show that FOR46 activity is primarily restricted to prostate ...
Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo | Protocol
Relative lysis of target cells was assessed by LDH release assay after 48 h. Cells lacking the BTE target antigen (B16-CD46) ... B16-CD46/ B16-CD20-CD46. J. Heidbuechel, DKFZ Heidelberg. available upon request. ... including enhancing tumor antigen recognition [e.g., tumor-associated antigens (TAAs) or inducers of major histocompatibility ... Antigen-specific oncolytic MV-based tumor vaccines through presentation of selected tumor-associated antigens on infected cells ...
NCI Drug Dictionary - National Cancer Institute
With a variable antigen-binding region that acts as a surrogate antigen for CA-125, abagovomab may stimulate the host immune ... Upon intramuscular administration of the Ad5/F35-hGCC-PADRE, the Ad5/F35 targets CD46, which is expressed widely on most tumor ... The monoclonal antibody moiety of actinium Ac 225 lintuzumab specifically binds to the cell surface antigen CD33 antigen, ... associated antigen and a member of the carbonic anhydrase family that contains a human leukocyte antigen (HLA)-A2.1-restricted ...
Asymmetric cell division during T cell development controls downstream fate | JCB
Ligation of the cell surface receptor, CD46, alters T cell polarity and response to antigen presentation. Proc. Natl. Acad. Sci ... Asymmetric cell division of T cells upon antigen presentation uses multiple conserved mechanisms. J. Immunol. 185:367-375. doi: ... Asymmetric segregation of polarized antigen on B cell division shapes presentation capacity. Science. 335:475-479. doi:10.1126/ ... During activation of mature T cells, polarity during ACD is dictated by contact with the antigen-presenting cell that bears a ...
Frontiers | Measles Virus Hemagglutinin: Structural Insights into Cell Entry and Measles Vaccine | Microbiology
Recently determined crystal structures of the MV-H protein unbound and bound to SLAM or CD46 have provided insights into ... Recently determined crystal structures of the MV H protein unbound and bound to SLAM or CD46 have provided insights into ... CD46 or nectin-4. Entry is mediated by two MV envelope glycoproteins, the hemagglutinin (H) and the fusion (F) protein. The H ... CD46 or nectin-4. Entry is mediated by two MV envelope glycoproteins, the hemagglutinin (H) and the fusion (F) protein. The H ...
AntibodyMoleculeAntibodiesProteinMeaslesCD59ReceptorsCD55SpecificityCD14ProteinsCD28ImmuneGenesBindsIntegrinHemolytic Uremic SLymphocyteIgG1ReactivityLigandTumorHumanComplement activationPathogensCellularCD27ELISACD45ViralDifferentiation AntigensCellsVaccineCD18IntracellularChimericExtracellularSurface
Antibody22
- CD46 Monoclonal antibody specifically detects CD46 in Human samples. (fishersci.com)
- Lé vy 2017 Because of the importance in the regulation of complement activation control of pathogens entry and activation of T Cell Immunity CD46 has become a promising target for therapeutic antibody exploration and clinical trial. (authorstream.com)
- Each antibody is crafted with care according to rigorous protocols for immunogen design and preparation, presentation to host animal, and high-affinity purification against the antigen. (abgent.com)
- In our prior work, we identified a panel of macropinocytosing human monoclonal antibodies against CD46, a negative regulator of the innate immune system, and constructed antibody-drug conjugates (ADCs). (jci.org)
- Overall, these findings indicate that CD46 is a promising target for antibody-based treatment of multiple myeloma, especially in patients with gain of chromosome 1q. (jci.org)
- The E4.3 monoclonal antibody specifically binds to CD46. (bdbiosciences.com)
- The antibody MEM-258 recognizes an epitope on SCR4 (the membrane-proximal SCR) domain of CD46 (Membrane cofactor protein). (exbio.cz)
- Weyand NJ, Lee SW, Higashi DL, Cawley D, Yoshihara P, So M: Monoclonal antibody detection of CD46 clustering beneath Neisseria gonorrhoeae microcolonies. (exbio.cz)
- Accommodation in this model was associated with the prevention of the early antibody responses induced against donor antigens by complement inhibition. (nih.gov)
- This antibody recognizes human CD46. (qedbio.com)
- SAN DIEGO--( BUSINESS WIRE )--Fortis Therapeutics, Inc., an immuno-oncology biotech developing a novel antibody-drug conjugate (ADC) against CD46, today announced the U.S. Food and Drug Administration (FDA) has cleared two investigational new drug (IND) applications for the company's lead candidate, FOR46, for the treatment of metastatic castration-resistant prostate cancer and late-stage multiple myeloma. (businesswire.com)
- The FOR46 program originated at the University of California, San Francisco, in the laboratory of Bin Liu, Ph.D. It was identified through an antibody selection process that uses living tumor cells residing in their tissue microenvironment, thereby preserving the natural range of surface antigens present on the cells. (businesswire.com)
- A murine IgG1 monoclonal anti-idiotype antibody, containing a variable antigen-binding region that functionally mimics the three-dimensional structure of a specific epitope on the ovarian cancer tumor-associated antigen CA-125, with potential antineoplastic activity. (cancer.gov)
- In other preferred embodiments, the F-18 labeled moiety may comprise a targetable conjugate that may be used in combination with a bispecific or multispecific antibody to target the F-18 to an antigen expressed on a cell or tissue associated with a disease, medical condition, or pathogen. (freepatentsonline.com)
- Samples were loaded onto a 10% SDS-PAGE gel and probed with a CD46 polyclonal antibody (Product # PA5-29672) at a dilution of 1:1000. (antibodypedia.com)
- Immunofluorescent analysis of CD46 in methanol-fixed A431 cells using a CD46 polyclonal antibody (Product # PA5-29672) at a 1:500 dilution. (antibodypedia.com)
- There has recently been a considerable amount of interest regarding the possible association of HHV6 with multiple sclerosis (MS), based on the detection of HHV6 DNA in the brain, cerebrospinal fluid, or serum of affected individuals, antibody reactivity to viral antigens, and findings of elevated levels of CD46 (the receptor for HHV6). (dana.org)
- The greater activity of the truncated IgG3 hinge mutants indicates that the long hinge of IgG3 seems to downregulate through an unknown mechanism the inherent increased complement-activating capability of IgG3 Fc when the antibody binds to a sparse antigen. (asm.org)
- 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)
- However, cross-linking of CD46 at the cell surface, by either multivalent antibody or by measles virus, induces pseudopodia that engulf the ligand in a process similar to macropinocytosis, and leads to the degradation of cell surface CD46. (edu.au)
- Increased representation of the minor allele G for an intronic CD46 SNP was associated with an allele dose-related decrease (978 vs. 522 mIU/ml, p = 0.0007) in antibody levels. (cdc.gov)
Molecule9
- CD46 (CD46 Molecule) is a Protein Coding gene. (genecards.org)
- Human T Cell Immunity Researches have revealed that CD46 can regulate the adaptive immune response acting as an additional costimulatory molecule for human T cells controlling T cell activation and inducing their differentiation into Tr1 cells. (authorstream.com)
- The measles virus (MV), a member of the family Paramyxoviridae , enters cells through a cellular receptor, the signaling lymphocyte activation molecule (SLAM), CD46 or nectin-4. (frontiersin.org)
- Three protein molecules have been identified as MV receptors, the signaling lymphocyte activation molecule (SLAM), CD46, and nectin-4. (frontiersin.org)
- Overexpression of the measles virus (MV) receptor CD46 in many tumour cells may direct the virus to preferentially enter transformed cells and there is increasing awareness of the importance of nectin-4 and signaling lymphocytic activation molecule (SLAM) in oncolysis. (mdpi.com)
- The extended virus‐binding surface of CD46 differs strikingly from those reported for the human virus receptor proteins CD4 and intercellular cell adhesion molecule‐1 (ICAM‐1), suggesting that the CD46 structure utilizes a novel mode of virus recognition. (embopress.org)
- Today, the HLDA Workshop meeting has been held 10 times and has over 371 CD antigens molecule have been identified. (sinobiological.com)
- According to the paradigm of antigen processing by the antigen presenting cells (APC), peptides arising from intracellular proteins are presented via class I MHC molecule. (hindawi.com)
- Dörig RE, Marcil A, Chopra A, Richardson CD (1993) The human CD46 molecule is a receptor for measles virus (Edmonston strain). (springer.com)
Antibodies17
- Signal Transduction CD46 can mediate intracellular signal transduction such as calcium flux NO production and phosphorylation by cross-linking with antibodies or binding of natural ligands at the surface of several cell types. (authorstream.com)
- The agent-polymer-peptide complex may be delivered to target cells by, for example, a pre-targeting technique utilizing bispecific or multispecific antibodies or fragments, having at least one binding arm that recognizes the hapten and at least a second binding arm that binds specifically to a disease or pathogen associated antigen, such as a tumor associated antigen. (freepatentsonline.com)
- 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)
- We compared the bactericidal activity of recombinant sets of chimeric IgG monoclonal antibodies against two important outer membrane meningococcal vaccine antigens: PorA and factor H binding protein (FHbp). (asm.org)
- On the other hand, the IgG3 hinge-truncated antibodies IgG3m15 and IgGm17 showed higher bactericidal activity than both IgG1 and IgG3 regardless of the target antigen. (asm.org)
- Immune protection against invasive meningococcal disease depends on recognition of bacterial surface antigens by antibodies, followed by activation of complement, leading to degradation of the bacteria by bacteriolysis, also named serum bactericidal activity (SBA). (asm.org)
- By using monoclonal hapten (4-hydroxy-3-nitrophenacetyl [NP/NIP])-specific antibodies of all four IgG isotypes, we have demonstrated that IgG1 and IgG3 are best in inducing complement-mediated cellular lysis and IgG1 performs better than IgG3 when the antigen concentration on the target cells is high, while IgG3 performs better than IgG1 when the antigen concentration on the target cells is low ( 20 , 21 ). (asm.org)
- In separate studies, IgG3 antibodies also showed higher SBA than IgG1 antibodies when the target antigen was sparsely expressed (as in the case of FHbp) ( 22 ), but IgG1 antibodies were more bactericidal than IgG3 antibodies when the target antigen was highly expressed, such as for PorA ( 23 ). (asm.org)
- Systemic lupus erythematosus (SLE) is a complex and heterogeneous autoimmune disease affecting multiple organs that is characterized by circulating antibodies to nuclear antigens. (biomedcentral.com)
- In this report, we investigated the relationship between enhanced ADCC and antigen density on target cells using IgG1 antibodies with reduced fucose. (aacrjournals.org)
- Using EL4 cell-derived transfectants with differential expression levels of exogenous human CC chemokine receptor 4 or human CD20 as target cells, ADCC of fucose variants of chimeric IgG1 antibodies specific for these antigens were measured. (aacrjournals.org)
- A previously detected association of the CD46 SNP rs2724384 with measles-specific antibodies was successfully replicated in this study. (cdc.gov)
- The detection of antibodies specific for HHV-6 U94/REP shows that the immune system is exposed to this antigen during natural infection. (asm.org)
- These surface antigens were identified initially by monoclonal antibodies and the designations of the antibodies were used often as synonyms for the cell surface proteins they detected, giving rise to a plethora of different names. (prospecbio.com)
- CD antigen nomenclature describes different monoclonal antibodies from different sources that recognize identical antigens. (prospecbio.com)
- In Hematology the morphological criteria is for the description of specific developmental stages of lymphocytes unlike in CD antigens which the use of monoclonal antibodies allows the objective and precise analysis and standardized typing of mature and immature normal and malignant cells of all hematopoietic cell lineages. (prospecbio.com)
- In the last decade the wide palette of monoclonal antibodies has been prepared which recognise of CD antigens on human cells. (prospecbio.com)
Protein31
- CD46 is a transmembrane protein that is known as a complement membrane cofactor protein, MCP, and measles virus receptor. (biolegend.com)
- A recombinant protein fragment specific for human CD46 was used as the immunogen. (fishersci.com)
- Complement system - CD46 MCP Introduction of CD46 MCP CD46 complement also known as membrane cofactor protein MCP is a type 1 transmembrane glycoprotein which in humans is encoded by the CD46 gene. (authorstream.com)
- Fig.1 The Structure of the CD46 protein. (authorstream.com)
- Entry Receptor for Pathogens Identified as a receptor for measles virus CD46 can bind to human herpesvirus 6 Neisseria gonorrhoeaeand Neisseria meningitides bacteria and the M protein of Streptococcus. (authorstream.com)
- Stimulation of the complement regulatory protein CD46 on T cells triggers the conversion of inflammatory effector cells into interleukin-10 (IL-10)-secreting type 1 regulatory T (Tr1) cells, a process that is defective in MS patients. (sciencemag.org)
- A lack of regulatory T cell function is a critical factor in the pathogenesis of autoimmune diseases, such as multiple sclerosis (MS). Ligation of the complement regulatory protein CD46 facilitates the differentiation of T helper 1 (T H 1) effector cells into interleukin-10 (IL-10)-secreting type 1 regulatory T cells (Tr1 cells), and this pathway is defective in MS patients. (sciencemag.org)
- Shear stress was observed to promote the expression of complement regulatory protein CD59, but not CD46 or CD55, on EPCs. (bireme.br)
- CD46 is also known as membrane cofactor protein (MCP). (bdbiosciences.com)
- Clone REA312 recognizes the human CD46 antigen, a type I transmembrane glycoprotein, which is also known as the membrane cofactor protein (MCP). (miltenyibiotec.com)
- The unique presence of the membrane cofactor protein CD46 in the sperm acrosomal membrane was shown, however, its behaviour and connection with other sperm proteins has not been explored further. (nature.com)
- Using super resolution microscopy, we demonstrated a dynamic CD46 reorganisation over the sperm head during the AR and its interaction with transmembrane protein integrins, which was confirmed by proximity ligation assay. (nature.com)
- Moreover, CD46 and β1 integrins with subunit α3, but not α6, are localized into the apical acrosome and are expected to be involved in signal transduction pathways directing the acrosome stability and essential protein network rearrangements prior to gamete fusion. (nature.com)
- CD46 (membrane cofactor protein, MCP) is expressed broadly on the surface of somatic cells in humans and plays a pivotal role in the cell's self-protection against the complement, which is also used by tumour cells 12 . (nature.com)
- Okada N, Liszewski MK, Atkinson JP, Caparon M: Membrane cofactor protein (CD46) is a keratinocyte receptor for the M protein of the group A streptococcus. (exbio.cz)
- Fleischli C, Sirena D, Lesage G, Havenga MJ, Cattaneo R, Greber UF, Hemmi S: Species B adenovirus serotypes 3, 7, 11 and 35 share similar binding sites on the membrane cofactor protein CD46 receptor. (exbio.cz)
- Fleischli C, Verhaagh S, Havenga M, Sirena D, Schaffner W, Cattaneo R, Greber UF, Hemmi S: The distal short consensus repeats 1 and 2 of the membrane cofactor protein CD46 and their distance from the cell membrane determine productive entry of species B adenovirus serotype 35. (exbio.cz)
- CD46 complement regulatory protein also known as CD46 (cluster of differentiation 46) and Membrane Cofactor Protein is a protein which in humans is encoded by the CD46 gene. (wikipedia.org)
- As has been demonstrated for CD46 with other ligands, the CD46 protein structure is believed to linearize upon binding HHV-6. (wikipedia.org)
- Recently determined crystal structures of the MV-H protein unbound and bound to SLAM or CD46 have provided insights into paramyxovirus entry and the effectiveness of measles vaccine. (frontiersin.org)
- A soluble fusion protein consisting of the extracellular domain of human cytotoxic T lymphocyte-associated antigen 4 (CTLA-4) linked to a modified Fc (hinge, CH2, and CH3 domains) portion of human immunoglobulin G1 (IgG1) with immunosuppressive activity. (cancer.gov)
- Homo sapiens membrane cofactor protein (CD46, trophoblast-lymphocyte cross-reactive antigen) (MCP), transcript variant n, mRNA. (abnova.com)
- Western blot analyses showed that the cellular complement protein CD46, the receptor for HHV-6A, is associated with the purified and infectious virions.Also, the cellular proteins clathrin, ezrin and Tsg101 are associated with intact HHV-6A virions.Cellular proteins are associated with HHV-6A virions. (nih.gov)
- The PA5-29672 immunogen is recombinant protein fragment corresponding to a region within amino acids 174 and 359 of Human CD46. (antibodypedia.com)
- This product recognizes the human CD46 cell surface antigen, a broadly expressed glycoprotein also known as membrane co-factor protein (MCP). (raybiotech.com)
- membrane cofactor protein) is a multifunctional cell surface transmembrane protein that binds and inactivates C3b and C4b complement fragments, regulates T cell-induced inflammatory responses by either inhibiting (CD46-1 isoform) or increasing (CD46-2 isoform) the contact hypersensitivity reaction. (sysmex-flowcytometry.com)
- 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)
- CD46 encoding membrane cofactor protein (MCP), and CFH encoding factor H (FH). (biomedcentral.com)
- In addition, mast cells often co-localize with CD4 and T cells, and they can also process and present protein antigens. (the-rheumatologist.org)
- It was recently discovered that the cellular receptor of the virus is CD46, a ubiquitous protein expressed on the surfaces of different types of human cells ( 45 ). (asm.org)
- CD45 is a protein antigen expressed on all haemopoietic white cells and "gating" the CD45 antigen positive cells in each sample was performed as part of the DHR assay in this study. (thefreedictionary.com)
Measles16
- CD46 is also known to be a cellular receptor for human measles virus and human herpes virus-6 as well as other human pathogens, such as Streptococcus pyogenes . (biolegend.com)
- Additionally, CD46 functions as a receptor for measles virus, human herpesvirus, and human adenovirus. (miltenyibiotec.com)
- The human CD46 antigen is known to be the functional cellular receptor for Measles virus. (wikipedia.org)
- This imaging technique is an improvement over initial efforts to engineer a Measles virus to carry the soluble marker human carcinoembryonic antigen (CEA). (wikipedia.org)
- The placenta of the stillbirth showed massive fibrin deposition, and some residual trophoblasts contained many inclusion bodies positive for measles virus antigen. (nature.com)
- The placenta of the surviving infant showed focal intervillous fibrin deposits, and only a few syncytiotrophoblasts were positive for measles virus antigen. (nature.com)
- Strong antigen-specific T-cell immunity induced by a recombinant human TERT measles virus vaccine and amplified by a DNA/viral vector prime boost in IFNAR/CD46 mice. (nih.gov)
- The cell surface receptor for measles virus in humans is CD46, a complement cofactor. (embopress.org)
- We report here the crystal structure at 3.1 Å resolution of the measles virus‐binding fragment of CD46. (embopress.org)
- Molecules that mimic the conformation of this loop potentially could be effective anti‐viral agents by preventing binding of measles virus to CD46. (embopress.org)
- CD46 is a ubiquitous human cell surface receptor for the complement components C3b and C4b and for various pathogens, including the measles virus and human herpes virus 6. (edu.au)
- The measles virus (MV) interacts with two known cellular receptors: CD46 and SLAM. (cdc.gov)
- 764 subjects previously immunized with measles-mumps-rubella vaccine were genotyped for 66 candidate SNPs in the CD46, SLAM and CD209 genes as part of a larger study. (cdc.gov)
- Here we present data about characterization of the humoral immune response against NAP-tagged antigens, encoded by attenuated measles virus (MV) vector platform, in MV infection susceptible type I interferon receptor knockout and human CD46 transgenic (Ifnarko-CD46Ge) mice. (elsevier.com)
- NAP-tagged antigen expression did not affect development of protective anti-measles immunity. (elsevier.com)
- Anderson BD, Nakamura T, Russell SJ, Peng K-W (2004) High CD46 receptor density determines preferential killing of tumor cells by oncolytic measles virus. (springer.com)
CD598
- Membrane regulatory proteins, such as CD46, CD55, and CD59, prevent excess complement activation and to protect cells from damage. (bireme.br)
- In this study, we observed shear stress-mediated changes in the expression of complement regulatory proteins CD46, CD55, and CD59 on human EPCs and focused on the mechanical transmission mechanism in transformed cells in response to the ECM-F-actin pathway in vitro. (bireme.br)
- Some antiapoptotic proteins and complement regulatory proteins, including Bcl-2, CD59, CD46 and clusterin, were upregulated in the surviving renal allografts. (nih.gov)
- Cell surface regulators of complement, 5I2 antigen, and CD59, in the rat eye and adnexal tissues. (arvojournals.org)
- METHODS: After euthanasia of female Wistar rats, followed by orbital exenteration, eyelids and orbital tissue including the lacrimal gland were separated from the globes and immediately snap-frozen in liquid nitrogen at -70 degrees C. Tissues then were sectioned at -20 degrees C and examined immunohistochemically for 5I2 antigen and rat CD59. (arvojournals.org)
- Corneal endothelial cells showed intense labeling for rat CD59 but not for 5I2 antigen. (arvojournals.org)
- The retina showed labeling at multiple levels, with that of rat CD59 being more intense than that of 5I2 antigen. (arvojournals.org)
- CONCLUSIONS: 5I2 antigen and rat CD59 are expressed in high levels and distributed similarly in the rat eye and lacrimal gland to DAF, MCP, and MIRL in the human eye and lacrimal gland. (arvojournals.org)
Receptors7
- Successful attempts to retarget MV by inserting genes for tumour-specific ligands to antigens such as carcinoembryonic antigen (CEA), CD20, CD38, and by engineering the virus to express synthetic microRNA targeting sequences, and "blinding" the virus to the natural viral receptors are exciting measures to increase viral specificity and enhance the oncolytic effect. (mdpi.com)
- Non peptide antigen presentation to T-cell receptors on NKT cells. (sinobiological.com)
- Several CD antigens act as relatively specific receptors for virus attachment, e.g. (rrnursingschool.biz)
- CD antigens participate in immune reaction as receptors for cell communication (e.g. adherence molecules, antigen recognizing receptors). (prospecbio.com)
- CD antigens have been shown to be identical with receptors of cytokines such as CD25 (TAC antigen). (prospecbio.com)
- The CD Antigen's designation isn't related to the biological function, thus CD antigens include receptors, glycans, adhesion molecules, membrane-bound enzymes, etc. (prospecbio.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)
CD552
- Structure of CD46 MCP Similar to CD55 CD46 also contains four short consensus repeat SCR domains also called CCP modules in the extracellular part followed by a region rich in serine threonine and proline STP region with three potential glycosylation sites. (authorstream.com)
- CD55 is a glycophosphatidylinositol (GPI)-anchored, single chain membrane glycoprotein of approximately 70 kDa that belongs to the regulators of complement activation (RCA) gene family which includes CD21, CD35, and CD46. (bdbiosciences.com)
Specificity1
- YS5, a human full-length IgG1 with high specificity for CD46, was identified to have high binding affinity for prostate cancer tissue. (wikipedia.org)
CD144
- Modification of monocytes that favor immune evasion, including reduced levels of CD14, CD64 and HLA-DR antigen on their surface while CD32 expression is unaffected ( Janelle 2006 ). (hhv-6foundation.org)
- Antigens, CD14" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (harvard.edu)
- This graph shows the total number of publications written about "Antigens, CD14" by people in Harvard Catalyst Profiles by year, and whether "Antigens, CD14" was a major or minor topic of these publication. (harvard.edu)
- Below are the most recent publications written about "Antigens, CD14" by people in Profiles. (harvard.edu)
Proteins2
- The receptor returns to the cell membrane surface and the pathogen-derived antigens are presented to resting T-cells via MHC class II proteins to initiate the adaptive immune response. (creativebiomart.net)
- CD antigens have been characterized as both transmembrane proteins and cell surface proteins anchored to the plasma membrane via covalent attachment to fatty acid-containing glycolipids such as glycosylphosphatidylinositol (GPI). (prospecbio.com)
CD282
- Abatacept binds CD80 and CD86 on antigen presenting cells (APCs), blocking interaction with CD28 on T lymphocytes, which initiates a co-stimulatory signal required for full activation of T lymphocytes. (cancer.gov)
- CD antigens are involved in modulating the biological activities of cytokines such as CD4, CD28 and CD40. (prospecbio.com)
Immune11
- The immune system must distinguish not only between self and non-self, but also between innocuous and pathological foreign antigens to prevent unnecessary or self-destructive immune responses. (nih.gov)
- found that T cell stimulation altered the O-glycosylation status of CD46, changing its mass and enabling its translocation to the immune synapse, the site of T cell activation. (sciencemag.org)
- FOR46 targets a novel immune modulatory receptor, CD46, which is highly expressed in multiple tumor types and is part of the tumor's immune defense shield. (businesswire.com)
- With a variable antigen-binding region that acts as a surrogate antigen for CA-125, abagovomab may stimulate the host immune system to elicit humoral and cellular immune responses against CA-125-positive tumor cells, resulting in inhibition of tumor cell proliferation. (cancer.gov)
- This proposal is based on the novel finding that common marmosets, a species of New World primates that is prone to develop an MS-like immune-mediated CNS illness after immunization with myelin antigens, can be infected with HHV6. (dana.org)
- A "two-hit" infection with HHV-6A appears to result in neurological deficits and pathologically, CNS inflammatory demyelination similar to human MS. Affected animals appear to develop immune reactivity to myelin antigens, indicating the possibility that mechanisms of mimicry may be involved in pathogenesis. (dana.org)
- Possible cytotoxicity of lymphocytes from HHV6-infected animals towards antigen-sensitized targets and capacity for immune viral clearance or neutralization will be explored. (dana.org)
- Ligand binding to CD46 affects (i) protection of autologous cells from complement attack by breakdown of complement components, (ii) intracellular signals that affect the regulation of immune cell function, (iii) antigen presentation, and (iv) down-regulation of cell surface CD46. (edu.au)
- Recent evidence indicates that CD46 signaling can link innate and acquired immune function. (edu.au)
- Boost of immune response to poor immunogens using live vectors expressing NAP-tagged chimeric antigens is an attractive approach with potential application in immunoprophylaxis of infectious diseases and cancer immunotherapy. (elsevier.com)
- Cell surface antigens of leukocytes are called CD antigens, and important for immune reactions of organisms. (prospecbio.com)
Genes5
- CD8-LV mediated stable in vitro and in vivo reporter gene transfer as well as efficient transfer of genes encoding TCRs recognizing the melanoma antigen tyrosinase. (bloodjournal.org)
- Results suggest a possible role for multidrug resistance genes ABCA10 (zeige ABCA10 Antikörper ) and ABCA6 in follicular lymphoma survival and add to the evidence that genetic variation in CD46 (zeige CD46 Antikörper ) and IL8 (zeige IL8 Antikörper ) may have prognostic implications follicular lymphoma. (antikoerper-online.de)
- The Duffy antigen gene was the fourth gene associated with the resistance after the genes responsible for sickle cell anaemia , thalassemia and glucose-6-phosphate dehydrogenase . (wikipedia.org)
- The exons of complement inhibitor genes CD46 and CFH (factor H) were fully sequenced using the Sanger method in SLE patients with nephritis originating from two cohorts from southern and mid Sweden ( n = 196). (biomedcentral.com)
- Further characterisation of CD46 , one of the genes upregulated in the DLL1 + cluster, revealed it to be a novel cell surface marker of human epidermal stem cells. (biologists.org)
Binds1
- CD46 binds complement components C3b and C4b and has been reported to play a role in T cell regulation. (biolegend.com)
Integrin3
- In addition to the complement components, CD46 has been shown to interact with moesin, c-Src, tetraspanin 4, c-Yes, and integrin β1. (biolegend.com)
- Cells with high endogenous levels of CD46 expressed high levels of β1 integrin and DLL1 and were highly adhesive and clonogenic. (biologists.org)
- Knockdown of CD46 decreased proliferative potential and β1 integrin-mediated adhesion. (biologists.org)
Hemolytic Uremic S2
- Diseases associated with CD46 include Hemolytic Uremic Syndrome, Atypical 2 and Atypical Hemolytic Uremic Syndrome With Complement Gene Abnormality . (genecards.org)
- Defects in CD46 have been associated with hemolytic-uremic syndrome. (biolegend.com)
Lymphocyte1
- CD46 also serves as a receptor for several human pathogens (both bacteria and viruses), and its ligation alteres T lymphocyte polarization toward antigen-presenting cells or target cells, inhibiting lymphocyte function. (sysmex-flowcytometry.com)
IgG14
- IgG1 showed higher bactericidal activity than IgG3 when directed against PorA (an abundant antigen), while IgG3 was more bactericidal than IgG1 when directed against FHbp (a sparsely and variably distributed antigen). (asm.org)
- We further investigated IgG1 binding to natural killer (NK) cells and NK cell activation during ADCC induction to elucidate the mechanism by which low-fucose IgG1 induces ADCC upon target cells with low antigen expression. (aacrjournals.org)
- IgG1 binding to NK cells was increased by ligating IgG1 with clustered antigen, especially for low-fucose IgG1. (aacrjournals.org)
- Our data showed that fucose removal from IgG1 could reduce the antigen amount required for ADCC induction via efficient recruitment and activation of NK cells. (aacrjournals.org)
Reactivity2
- PA5-29672 targets CD46 in IF and WB applications and shows reactivity with Human samples. (antibodypedia.com)
- Longitudinal studies of reactivity to myelin antigens and to HHV6, and viral persistence/replication in relation to time-course of disease will be examined. (dana.org)
Ligand2
- The heterotetramer gH/gL/gQ1/gQ2 complex of HHV-6 has been identified as a CD46 ligand. (wikipedia.org)
- Ligand binding determines whether CD46 is internalized by clathrin-coated pits or macropinocytosis. (edu.au)
Tumor7
- Of interest is that medulloblastoma (a malignant brain tumor common in childhood) specimens express a high level of CD46. (qedbio.com)
- Established medulloblastoma (a malignant brain tumor common in childhood) specimens express CD46, and that medulloblastoma specimens removed from patients had a high level of CD46 expression. (wikipedia.org)
- Such a vaccine has already been tested in a number of trials involving other tumor types which have a high expression of CD46, including one type of adult brain tumor. (wikipedia.org)
- While CD46 is expressed throughout the body, preclinical studies show that FOR46 activity is primarily restricted to prostate and other tumor tissue types, as opposed to normal tissue. (businesswire.com)
- FOR46 cracks the code, in a sense, by binding a specific conformational epitope of CD46, that appears to be specific to tumor cells. (businesswire.com)
- This results in targeted tumor killing, while not impacting the natural role of CD46 in the complement system. (businesswire.com)
- CD antigens are used widely for research, immunotherary, tumor and drug target. (sinobiological.com)
Human8
- Here we show that co-engagement of CD3 and the complement regulator CD46 in the presence of IL-2 induces a Tr1-specific cytokine phenotype in human CD4+ T cells. (nih.gov)
- CHO-Anti-Human CD46 MAb stable cell line is clonally-derived from a CHO cell line, which has been transfected with an Anti-human CD46 MAb gene to allow expression of the MAb. (creativebiomart.net)
- Tested positive against native human antigen. (creativebiomart.net)
- Antigen: Recombinant human CD46. (qedbio.com)
- ELISA: use at 0.1-1ug/ml with human CD46 on the solid phase. (qedbio.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)
- First-in-Human Phase I study of CTT1057, a Novel 18F Labeled Imaging Agent with Phosphoramidate Core Targeting Prostate Specific Membrane Antigen in Prostate Cancer. (ucsf.edu)
- Human language 6 toxicology A antigen H-glycoprotein L-glycoprotein Q psychiatric women with periodic CD46. (yvonne-unden.de)
Complement activation2
- Regulator of Complement Activation CD46 primarily functions as a cofactor for complement factor I in mediating cleavage of C3b. (authorstream.com)
- CD46 functions as an inhibitor of complement activation limiting the formation and activity of C3 convertases. (raybiotech.com)
Pathogens3
- A number of viral and bacterial pathogens seem to exploit this property and directly induce an immunosuppressive phenotype in T-cells by binding to CD46. (fishersci.com)
- Researches focused on expression of these antigens on phagocytes, which are involved in the first defence mechanisms, including: antigen presentation, recognition and phagocytosis of IgG and complement opsonised pathogens, and complement activity. (termedia.pl)
- This has important implications for CD46 signaling, antigen presentation, CD46 down-regulation, and engulfment of pathogens. (edu.au)
Cellular1
- Gaggar A, Shayakhmetov DM, Lieber A: CD46 is a cellular receptor for group B adenoviruses. (exbio.cz)
CD271
- CD antigens appear to carry out cytokine receptor-like functions such as CD27, CD30 and CD40. (prospecbio.com)
ELISA1
- In contrast, ELISA titers against MV antigens were not significantly different between the animals vaccinated with MV-lambda or MV-lambda-NAP. (elsevier.com)
CD452
- The CD45 antigen , expressed on the T cell surface, presents two different isoforms, RA and RO. (thefreedictionary.com)
- Lack of CD45 antigen on blast cells in childhood acute lymphoblastic leukemia is associated with chromosomal hyperdiploidy and other favorable prognostic features. (thefreedictionary.com)
Viral2
- Infective virus in rat cells does not kill them all and transformed cells appear which on injection grow into tumors and contain viral antigen. (rrnursingschool.biz)
- Among them, also viral antigens can end up in the lysosomes, in virally infected cells. (hindawi.com)
Differentiation Antigens1
- An internationally agreed system of naming differentiation antigens on cell surfaces. (rrnursingschool.biz)
Cells26
- CD46 acts as a cofactor for complement factor I, a serine protease, which protects autologous cells against complement-mediated injury by cleaving C3b and C4b deposited on host tissue. (fishersci.com)
- These CD3/CD46-stimulated IL-10-producing CD4+ cells proliferate strongly, suppress activation of bystander T cells and acquire a memory phenotype. (nih.gov)
- The cell surface abundance of CD46 was reduced upon generation of Tr1 cells, which produced IL-10. (sciencemag.org)
- In contrast, T cells from MS patients showed a reduced change in CD46 abundance and continued to produce the inflammatory cytokine interferon-γ. (sciencemag.org)
- In this report, we show that an anti-CD46 ADC (CD46-ADC) potently inhibited proliferation in myeloma cell lines with little effect on normal cells. (jci.org)
- In primary myeloma cells derived from bone marrow aspirates, CD46-ADC induced apoptosis and cell death, but did not affect the viability of nontumor mononuclear cells. (jci.org)
- We found that the cell surface expression level of CD46 was markedly higher in patient myeloma cells with 1q gain than in those with normal 1q copy number. (jci.org)
- CD46 is overexpressed on cell surface of primary MM patient cells and further amplified in patients with amp1q21 compared with normal 1q. (jci.org)
- A ) FACS plot showing that CD46 surface expression correlates with CD38 in CD138-selected cells to identify the MM population by FACS (representative data, n = 25). (jci.org)
- E ) CD46 antigen density on various BM normal cell populations compared with MM cells from 7 additional patients. (jci.org)
- CD46 acts as a co-factor for complement factor I, a serine protease which protects autologous cells against complement-mediated injury by cleaving C3b and C4b deposited on host tissue. (miltenyibiotec.com)
- D and E. Detection of HHV-6 antigen gp60/110 in HHV-6A infected cells. (nih.gov)
- Whereas TCR gene-modified T cells recognize peptide-major histocompatibility complex (pMHC), CAR recognize antigen in an MHC-independent fashion. (bloodjournal.org)
- CD46 is expressed by all nucleated cells, often as multiple isoforms on the same cells. (raybiotech.com)
- The CD antigens are protocol used for the identification and investigation of cell surface molecules providing targets for immunophenotyping of cells. (sinobiological.com)
- Class II MHC restricted, the CD4 antigen is a receptor for binding HIV-1, and the onset of AIDS is associated with marked depletion of CD4 cells in the blood. (rrnursingschool.biz)
- 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)
- The quantitative analysis revealed that fucose depletion could reduce the antigen amount on target cells required for constant degrees of ADCC induction by 10-fold for CC chemokine receptor 4 and 3-fold for CD20. (aacrjournals.org)
- We demonstrate here that, in nonlymphoid cells, CD46 is constitutively internalized via clathrin-coated pits, traffics to multivesicular bodies, and is recycled to the cell surface. (edu.au)
- Nielsen, Afzelius, Ersbøll, Nielsen, Hansen: Expression of the activation antigen CD69 predicts functionality of in vitro expanded peripheral blood mononuclear cells (PBMC) from healthy donors and HIV-infected patients. (antikoerper-online.de)
- However, exceptions to this model have been described and, for example, dendritic cells (DCs), the most powerful APC [ 2 ], are able to present extracellular antigens also via class I MHC. (hindawi.com)
- This event, known as cross-presentation, allows DCs to activate both CD4 + and CD8 + T cells, in response to an extracellular antigen [ 3 ]. (hindawi.com)
- The lytic phase occurs when a virus enters the cells and uses its DNA to produce virions which usually end up killing the cell, allowing them to escape en masse. (phoenixrising.me)
- During the course of development from precursor cells into functionally mature forms, lymphocytes display a complex pattern of surface antigens, some of which are acquired at certain stages while others are lost. (prospecbio.com)
- The most commonly know CD antigens are CD4 and CD8 which are markers for T-helper and T-suppressor cells, respectively. (prospecbio.com)
- Mast cell-derived IL-13 downregulates IL-12 production by skin dendritic cells to inhibit the TH1 cell response to cutaneous antigen exposure. (childrenshospital.org)
Vaccine1
- The widely used HBV vaccine is based on Saccharomyces cerevisiae -expressed small surface antigen (hepatitis B surface antigen [HBsAg]) and has a three-dose schedule ( 22 ). (asm.org)
CD181
- Other more important CD antigens include the leukocytes integrins (CD11/CD18) and the hematopoietic stem cell marker CD34. (prospecbio.com)
Intracellular1
- On the other hand, antigens of intracellular origin can be presented also in class II MHC, after being delivered to the lysosomes, through double membrane vesicles, called autophagosomes [ 4 ]. (hindawi.com)
Chimeric1
- TCR) or engineered (chimeric antigen receptor, CAR). (bloodjournal.org)
Extracellular2
- The extracellular region of CD46 contains four short consensus repeats (SCR) of about 60 amino acids that fold into a compact beta-barrel domain surrounded by flexible loops. (wikipedia.org)
- Differently, peptides that originate from extracellular antigens are delivered to the late endosomal/lysosomal compartment, where they are degraded by the lysosomal proteases and then presented in association with class II MHC. (hindawi.com)
Surface1
- Hepatitis B surface antigen (HBsAg) expression cassettes were inserted into this cDNA and three MVs expressing HBsAg at different levels generated. (asm.org)