Death by releasing the breaks: CHK1 inhibitors as cancer therapeutics.

Death by releasing the breaks: CHK1 inhibitors as cancer therapeutics.
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DOI:
10.1016/j.molmed.2010.10.009
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发表时间:
2011-03
影响因子:
13.6
通讯作者:
Piwnica-Worms H
Piwnica-Worms H
中科院分区:
医学1区
文献类型:
--
作者:
Ma CX;Janetka JW;Piwnica-Worms H

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由于 TP53 突变或 p53 调节途径中断,p53 功能缺陷在人类癌症中经常发生,导致细胞依赖 CHK1(检查点激酶 1)来激活细胞周期检查点。在存在 DNA 损伤或复制应激的情况下,抑制 CHK1 会导致 p53 缺陷肿瘤中的“有丝分裂灾难”和细胞死亡,同时保留 p53 丰富的细胞。 CHK1抑制剂在临床前模型中使肿瘤对多种DNA损伤剂或抗代谢物敏感,并且正在早期临床试验中进行评估。在这篇综述中,我们总结了 CHK1 抑制剂作为癌症治疗药物的开发和应用的最新进展和争议。
Defects in p53 function, which occur frequently in human cancers due to mutations in TP53 or disruptions in the p53 regulatory pathway, render cells dependent on CHK1 (Checkpoint Kinase 1) to activate cell cycle checkpoints. In the presence of DNA damage or replication stress, inhibition of CHK1 leads to “mitotic catastrophe” and cell death in p53-deficient tumors while sparing p53-proficient cells. CHK1 inhibitors sensitize tumors to a variety of DNA damaging agents or antimetabolites in preclinical models and are being evaluated in early phase clinical trials. In this review, we summarize recent advances and controversies in the development and application of CHK1 inhibitors as cancer therapeutics.
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