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LE/AF Purified Anti-Mouse CD8a Monoclonal Antibody
The 2.43 antibody reacts with the 32-34 kDa alpha subunit of mouse CD8, known as CD8a or CD8 alpha. CD8a can form a homodimer (CD8 alpha-alpha), but is more commonly expressed as a heterodimer with a second chain known as CD8b or CD8 beta. CD8 acts as a co-receptor in antigen recognition and subsequent T cell activation induced by binding of the T cell receptor (TCR) to antigen-bearing MHC Class I molecules. The cytoplasmic domains of CD8 provide binding sites for the tyrosine kinase lck and facilitate intracellular signaling events that lead to T cell activation, development, and cytotoxic effector functions. CD8+ cytotoxic T cells (CTLs) play an important role in inducing cell death of tumor cells, as well as cells infected by virus, bacteria or parasites. The 2.43 antibody is widely used as a phenotypic marker for mouse CD8 on cytotoxic T cells, thymocytes, as well as on certain cell types that do not also express the TCR, including some NK cells and lymphoid dendritic cells.
FCM,IF
Mouse
Liquid
Keep as concentrated solution.Store at 4°C as an undiluted liquid. For extended storage aliquot contents and freeze at-20°C or lower. Avoid cycles of freezing and thawing.
PBS, pH 7.2
1mg/ml, >95% (by SDS-PAGE)
Rat IgG2b
This 2.43 antibody has been reported for use in flow cytometric staining. It has also been reported for use in cell depletion.
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