Article
Inhibition of Transforming Growth Factor-β1 Signaling Attenuates Ataxia Telangiectasia Mutated Activity in Response to Genotoxic Stress
8 Nov 2006
Abstract excerpt
Ionizing radiation causes DNA damage that elicits a cellular program of damage control coordinated by the kinase activity of ataxia telangiectasia mutated protein (ATM). Transforming growth factor beta (TGFbeta)-1, which is activated by radiation, is a potent and pleiotropic mediator of physiologic and pathologic processes. Here we show that TGFbeta inhibition impedes the canonical cellular DNA damage stress...
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