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1篇 您的检索式:作者名="HopeE.Hamrick"
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1ATM and ATR:Sensing DNA damage显示文摘Cellular response to genotoxic stress is a very complex process, and it usually starts with the “sensing” or “detection” of the DNA damage,followed by a series of events that include signal transduction and activation of transcription factors.The activated transcription factors induce expressions of many genes which are involved in cellular functions such as DNA repair,cell cycle arrest,and cell death. There havebeen extensive studies from multiple disciplines exploring the mechanisms of cellular genotoxic responses, which have resulted in the identification of many cellular components involved in this process,including the mitogen-activated protein kinases (MAPKs) cascade. Although the initial activation of protein kinase cascade is not fully understood,human protein kinases ATM (ataxia-telangiectasia, mutated) and ATR (ATM and Rad3-related) are emerging as potential sensors of DNA damage. Current progresses in ATM/ATR research and related signaling pathways are discussed in this review, in an effort to facilitate a better understanding of genotoxic stress response.JunYang Zheng-PingXu YunHuang HopeE.Hamrick PenelopeJ.Duerksen-Hughes Ying-NianYu 2004World Journal of Gastroenterology2004,10,2:29
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