Article
XIAP activity dictates Apaf-1 dependency for caspase 9 activation.
Molecular and cellular biology - 1 Aug 2007
Ho Andrew T, Li Qin H, Okada Hitoshi, Mak Tak W, Zacksenhaus Eldad
Abstract excerpt
The current model for the intrinsic apoptotic pathway holds that mitochondrial activation of caspases in response to cytotoxic drugs requires both Apaf-1-induced dimerization of procaspase 9 and Smac/Diablo-mediated sequestration of inhibitors of apoptosis proteins (IAPs). Here, we showed that either pathway can independently promote caspase 9 activation in response to apoptotic stimuli. In drug-treated...
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