Article
Caspase 2 is both required for p53-mediated apoptosis and downregulated by p53 in a p21-dependent manner
1 May 2008
Abstract excerpt
Upon treatment with some DNA damaging agents, human H1299 tumor-derived cells expressing inducible versions of wild-type or mutant p53 with inactive transactivation domain I (p53(Q22/S23)) undergo apoptosis. In cells expressing either version of p53, caspase 2 activation is required for release of cytochrome c and cell death. Furthermore, silencing of PIDD (a factor previously shown to be required for caspase 2...
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