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CD8 |
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CD2 cluster of differentiation or cell differentiation glycoproteins. CD antigen a group of cell surface molecules which act as markers on T lymphocytes. CD3 found on T helper (Th) and T cytotoxic (Tc) lymphocytes; associated with signal transduction. CD4 found on T helper lymphocytes; an adhesion molecule that binds to class II MHC molecules. CD8
found on T cytotoxic and variably on NK lymphocytes; an adhesion molecule that binds to class I MHC molecules. CD8 T8 antigen A disulfide-linked heterodimeric protein, for which each monomer is 32–34 kD; CD8 is a marker for T cells with suppressor and cytotoxic activity; it is a co-receptor with class I MHC antigens on antigen-presenting cells,
and is physically associated with a p56 tyrosine kinase, which phosphorylates adjacent proteins; NK cells may weakly express CD8. See Cytotoxic T cells. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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