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- _3 wasQuotedFrom 15917250 provenance.
- _3 value "Activated Yes rapidly associated with the epidermal growth factor receptor (EGFR), which became phosphorylated at Tyr845 and Tyr1173 but not at Tyr1045. Activated EGFR then triggered an AG1478-sensitive CD95-tyrosine phosphorylation, which was a signal for membrane targeting of the EGFR/CD95 complex, subsequent recruitment of Fas-associated death domain and caspase 8, and apoptosis induction. All of these events were significantly blunted by inhibitors of sphingomyelinase, PKCzeta, NADPH oxidases, Yes, or EGFR-tyrosine kinase activity and after protein knockdown of either p47phox, Yes, or EGFR. The data suggest that CD95L-induced apoptosis involves a sphingomyelinase- and PKCzeta-dependent activation of NADPH oxidase isoforms, which is required for Yes/EGFR/CD95 interactions as upstream events of CD95 activation." provenance.