Mouse Monoclonal to CD3
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complex is crucial in transducing antigen-recognition signals into the cytoplasm of T cells and in regulating the cell surface expression of the TCR complex. T cell activation through the antigen receptor (TCR) involves the cytoplasmic tails of the CD3 subunits CD3 gamma, CD3 delta, CD3 epsilon and CD3 zeta. These CD3 subunits are structurally related members of the immunoglobulins super family encoded by closely linked genes on human chromosome 11. The CD3 components have long cytoplasmic tails that associate with cytoplasmic signal transduction molecules. This association is mediated at least in part by a double tyrosine-based motif present in a single copy in the CD3 subunits. CD3 may play a role in TCR-induced growth arrest, cell survival and proliferation.
The CD3 antigen is present on 68-82% of normal peripheral blood lymphocytes, 65-85% of thymocytes and Purkinje cells in the cerebellum. It is never expressed on B or NK cells. Decreased percentages of T lymphocytes may be observed in some autoimmune diseases.
The mouse monoclonal antibody TB3 recognizes the CD3 antigen of the TCR/CD3 complex on mature human T cells. This antibody, although not presented to HLDA workshops, has superior binding than the workshop clone TB2.
Indicated dilutions are recommended starting points for use of this product. Working concentrations should be determined by the investigator.
Product Specific References
*Khvastunova AN, Kuznetsova SA, Al-Radi LS, Vylegzhanina AV, Zakirova AO, Fedyanina OS, Filatov AV, Vorobjev IA, Ataullakhanov F: Anti-CD antibody microarray for human leukocyte morphology examination allows analyzing rare cell populations and suggesting preliminary diagnosis in leukemia. Sci Rep. 2015 Jul 27;5:12573. [Abstract] [Full Text]
For research use only. Not for drug, diagnostic or other use.
Surface staining of human buffy coat cells with anti-CD3 (TB3
) purified / GAM-APC.