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Description
The 9H10 antibody reacts with CD152 (CTLA-4), which is expressed on activated T lymphocytes 2-3 days after stimulation through T cell receptor. CTLA-4 has significant similarity to CD28 in amino acid sequence, structure, and genomic organization. Furthermore, CD152 and CD28 share common B7 family counter-receptors. Unlike CD28, CD152 expression at both mRNA and protein level appears to be restricted to activated T cells with a maximal surface expression between 48 and 72 hours post-activation. The regulation of CTLA-4 protein expression is complex and can involve changes in the rate of transit between intracellular stores and the cell surface. Whereas CD28 delivers a co-stimulatory signal required for T-cell activation, CTLA-4 is a negative regulator of cell-mediated immune responses. CD152 may play roles in induction and/or maintenance of immunological tolerance, regulation of protective immunity, and regulation of some aspects of thymocyte maturation. This hamster mAb to a mouse leukocyte antigen does not cross-react with rat leukocytes.
Specifications
Specifications
| Antigen | CD152 |
| Applications | Flow Cytometry |
| Classification | Monoclonal |
| Clone | 9H10 |
| Concentration | 1.0mg/mL |
| Conjugate | Unconjugated |
| Description | CTLA-4 |
| Formulation | No azide/low endotoxin: Aqueous buffered solution containing no preservative, 0.2μm sterile filtered. Endotoxin level is ≤0.01 EU/μg (≤0.001 ng/μg) of protein as determined by the LAL assay. |
| Host Species | Hamster |
| Immunogen | Mouse CTLA-4-human IgG1 fusion protein |
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