Endosome traffic machinery meets the p53-p21 axis.
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ABSTRACT: SIRT1 regulates p53 transcriptional activation in response to genotoxic insult by deacetylating key lysine residues. We recently identified the multifunctional protein PACS-2 as a SIRT1 inhibitor. After DNA damage, PACS-2 binds and inhibits SIRT1 to increase p53-dependent transactivation of the CDK inhibitor p21 (CDKN1A) and induce cell cycle arrest.
SUBMITTER: Barroso-Gonzalez J
PROVIDER: S-EPMC4372196 | biostudies-other | 2015
REPOSITORIES: biostudies-other
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