Article
<i>DUSP1</i> Is Controlled by p53 during the Cellular Response to Oxidative Stress
1 Apr 2008
Abstract excerpt
p53 controls the cellular response to genotoxic stress through multiple mechanisms. We report here that p53 regulates DUSP1, a dual-specific threonine and tyrosine phosphatase with stringent substrate specificity for mitogen-activated protein kinase (MAPK). DUSP1 is a potent inhibitor of MAPK activity through dephosphorylation of MAPK. In a colon cancer cell line containing inducible ectopic p53, DUSP1 protein...
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