Article
Selective defect in antigen-induced TCR internalization at the immune synapse of CD8 T cells bearing the ZAP-70(Y292F) mutation.
Journal of immunology (Baltimore, Md. : 1950) - 1 Sept 2005
Davanture Suzel, Leignadier Julie, Milani Pascale, Soubeyran Philippe, Malissen Bernard, Malissen Marie, Schmitt-Verhulst Anne-Marie, Boyer Claude
Abstract excerpt
Cbl proteins have been implicated in ligand-induced TCR/CD3 down-modulation, but underlying mechanisms are unclear. We analyzed the effect of mutation of a cbl-binding site on ZAP-70 (ZAP-Y292F) on dynamics, internalization, and degradation of the TCR/CD3 complex in response to distinct stimuli. Naive CD8 T cells expressing the P14 transgenic TCR from ZAP-Y292F mice were selectively affected in TCR/CD3...
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