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CD8 Mouse anti-Human, APC-R700, Clone: RPA-T8, BD

Mouse Monoclonal Antibody

Manufacturer:  BD Biosciences 565166

Catalog No. BDB565166


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Description

Description

The RPA-T8 monoclonal antibody specifically binds to CD8 alpha (CD8α) . CD8α is a type I transmembrane glycoprotein and a member of the immunoglobulin superfamily. CD8α is expressed by the majority of thymocytes, by subpopulations of αβ T cells and γδ T cells and by some NK cells. Cell surface CD8α is expressed either as a disulfide-linked homodimer (CD8αα) αβ T cells coexpress both CD8αα homodimers and CD8αβ heterodimers whereas some γδ T cells and NK cells express CD8αα homodimers. CD8 plays important roles in T cell activation and selection. The extracellular IgSF domain of CD8 α binds to a non-polymorphic determinant on HLA class I molecules (α3 domain) and enables CD8 to function as a co-receptor with MHC class I-restricted TCR during T cell recognition of antigen. The cytoplasmic domain of CD8α associates with Lck, a Src family protein tyrosine kinase that is involved in intracellular signaling. The RPA-T8 and HIT8a monoclonal antibodies are not cross-blocking. This clone has been reported to react with a subset of peripheral blood lymphocytes, but not monocytes nor granuloyctes, of baboon and both rhesus and cynomolgus macaque monkey. In general, a higher frequency of CD8+ and CD4+CD8+ lymphocytes are observed in non-human primates compared to normal human donors.

This antibody was conjugated to BD Horizon APC-R700, which has been developed exclusively by BD Biosciences as a better alternative to Alexa Fluor™ 700. APC-R700 excites and emits at similar wavelengths to Alexa Fluor™ 700 yet exhibits significantly improved brightness. This dye can be excited by the red laser and detected with the same filter set as Alexa Fluor™ (eg, 730/45-nm filter).

Specifications

Specifications

CD8
RPA-T8
CD8α; CD8A; CD8 alpha; Leu2; MAL; T8; p32
Affinity Purified
Human CD8a
Affinity Chromatography
RUO
Primary
Baboon, Cynomolgus, Human, Rhesus
Flow Cytometry
APC-R700
Aqueous buffered solution containing BSA, protein stabilizer, glycerol, and ≤0.09% sodium azide.
Murine
IgG1, κ
25 Tests
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
Monoclonal
Documents
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