CD3 (UCHT1) Mouse mAb (APC Conjugate) #19881
Filter:
- F
Supporting Data
| REACTIVITY | H |
| SENSITIVITY | Endogenous |
| MW (kDa) | |
| Source/Isotype | Mouse IgG1 |
Application Key:
- F-Flow Cytometry
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Description
This Cell Signaling Technology antibody is conjugated to allophycocyanin (APC) and tested in-house for direct flow cytometric analysis in human cells.
Product Usage Information
| Application | Dilution |
|---|---|
| Flow Cytometry (Fixed/Permeabilized) | 1:20 |
| Flow Cytometry (Live) | 1:20 |
Storage
Supplied in 10 mM NaH2PO4, 150 mM NaCl, 0.09% NaN3, 0.1% gelatin, pH7.2. Do not aliquot the antibody. Protect from light. Do not freeze.
Protocol
Specificity / Sensitivity
CD3 (UCHT1) Mouse mAb (APC Conjugate) recognizes endogenous levels of total CD3ε protein. This antibody detects an epitope within the extracellular domain of CD3ε protein.
Species Reactivity:
Human
Source / Purification
This monoclonal antibody was purified from tissue culture supernatant via affinity chromatography. The purified antibody was conjugated under optimal conditions, with unreacted dye removed from the preparation.
Background
When T cells encounter antigens via the T cell receptor (TCR), information about the quantity and quality of antigens is relayed to the intracellular signal transduction machinery (1). This activation process depends mainly on CD3 (Cluster of Differentiation 3), a multiunit protein complex that directly associates with the TCR. CD3 is composed of four polypeptides: ζ, γ, ε, and δ. Each of these polypeptides contains at least one immunoreceptor tyrosine-based activation motif (ITAM) (2). Engagement of the TCR complex with foreign antigens induces tyrosine phosphorylation in the ITAM motifs and phosphorylated ITAMs function as docking sites for signaling molecules such as ZAP-70 and the p85 subunit of PI-3 kinase (3,4). TCR ligation also induces a conformational change in CD3ε, such that a proline region is exposed and then associates with the adaptor protein Nck (5).
The UCHT1 antibody is widely used as a marker for phenotyping human T cells (6-8).
The UCHT1 antibody is widely used as a marker for phenotyping human T cells (6-8).
- Kuhns, M.S. et al. (2006) Immunity 24, 133-139.
- Pitcher, L.A. and van Oers, N.S. (2003) Trends Immunol. 24, 554-560.
- Osman, N. et al. (1996) Eur. J. Immunol. 26, 1063-1068.
- Hatada, M.H. et al. (1995) Nature 377, 32-38.
- Gil, D. et al. (2002) Cell 109, 901-912.
- Londei, M. et al. (1989) Proc Natl Acad Sci U S A 86, 8502-6.
- Sallusto, F. et al. (1999) Nature 401, 708-12.
- Walker, M.R. et al. (2003) J Clin Invest 112, 1437-43.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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