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A human cancer-predisposing polymorphism in Cdc25A is embryonic lethal in the mouse and promotes ASK-1 mediated apoptosis

机译:Cdc25A中具有人类癌症易感性的多态性在小鼠中具有胚胎致死性并促进ASK-1介导的细胞凋亡

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摘要

BackgroundFailure to regulate the levels of Cdc25A phosphatase during the cell cycle or during a checkpoint response causes bypass of DNA damage and replication checkpoints resulting in genomic instability and cancer. During G1 and S and in cellular response to DNA damage, Cdc25A is targeted for degradation through the Skp1-cullin-β-TrCP (SCFβ-TrCP) complex. This complex binds to the Cdc25A DSG motif which contains serine residues at positions 82 and 88. Phosphorylation of one or both residues is necessary for the binding and degradation to occur.
机译:背景技术在细胞周期或检查点应答过程中未能调节Cdc25A磷酸酶水平会导致DNA损伤和复制检查点旁路,从而导致基因组不稳定和癌症。在G1和S期间以及细胞对DNA损伤的反应中,Cdc25A被靶向通过Skp1-cullin-β-TrCP(SCF β-TrCP)复合物降解。该复合物与Cdc25A DSG基序结合,后者在位置82和88处含有丝氨酸残基。一个或两个残基的磷酸化是发生结合和降解所必需的。

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