Perp-etrating p53-dependent apoptosis.

Ihrie RA, Attardi LD
Cell Cycle. 2004 3 (3): 267-9

PMID: 14726658

The induction of apoptosis is a fundamental mechanism by which the p53 transcriptional activator protein suppresses tumor development. Recently, the roles of several p53 target genes in mediating the p53 apoptotic response have been queried through loss-of-function analysis with knockout mouse models. These studies have demonstrated that the p53 targets Noxa, Puma, and Perp play cell type-specific roles in p53-mediated apoptosis. Perp, a tetraspan protein localizing to the plasma membrane, rather than to mitochondria, is a novel type of p53 effector that may stimulate apoptosis through a different mechanism from the BH3-containing proteins Noxa, Puma, and Bax.

MeSH Terms (6)

Animals Apoptosis Humans Membrane Proteins Mice Tumor Suppressor Protein p53

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