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CD3, PE, clone: OKT3, eBioscience™

Mouse Monoclonal Antibody

Manufacturer:  Life Technologies LS12003741

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Catalog No. 501129470



Description

Description

CD3 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.

Description: The OKT3 monoclonal antibody reacts with an epitope on the epsilon-subunit within the human CD3 complex. The OKT3 antibody has been reported to have potent immunosuppressive properties in vivo and has been proven effective in the treatment of renal, heart and liver allograft rejection. The CD3 subunits, gamma, delta, and epsilon chains, are required for proper assembly, trafficking and surface expression of the TCR complex. CD3 is expressed by thymocytes in a developmentally regulated manner and by all mature T cells. Crosslinking of TCR initiates an intracellular biochemical pathway resulting in cellular activation and proliferation.Applications Reported: The OKT3 antibody has been reported for use in flow cytometric analysis.Applications Tested: This OKT3 antibody has been pre-titrated and tested by flow cytometric analysis of normal human peripheral blood cells. This can be used at 5 μL (0.5 μg) per test. A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test.Excitation: 488-561 nm; Emission: 578 nm; Laser: Blue Laser, Green Laser, Yellow-Green Laser.Filtration: 0.2μm post-manufacturing filtered.
Specifications

Specifications

CD3
Monoclonal
5μl/Test
PBS with 0.1% gelatin, 0.2% BSA and 0.09% sodium azide; pH 7.2
P04234, P20963, P07766, P09693
FLJ18683, T3E, TCRE
Murine
Affinity chromatography
RUO
Antibody
Monoclonal
Human
Flow Cytometry
OKT3
PE
CD3E
Liquid
CD247, CD3D, CD3E, CD3G
IgG2a, kappa, kappa
25 Tests
Store at 2-8°C. Do not freeze. Light-sensitive material.
Primary
915, 916, 917, 919
Documents

For Research Use Only.