Opinion - Transcription - guarding the genome by sensing DNA damage

被引:194
作者
Ljungman, M [1 ]
Lane, DP
机构
[1] Univ Michigan, Sch Med, Ctr Comprehens Canc, Dept Radiat Oncol,Div Radiat & Canc Biol, Ann Arbor, MI 48109 USA
[2] Univ Michigan, Sch Publ Hlth, Dept Environm Hlth Sci, Ann Arbor, MI 48109 USA
[3] Inst Mol & Cell Biol, Singapore 138673, Singapore
[4] Univ Dundee, Dept Surg & Mol Oncol, Dundee DD1 9SY, Scotland
基金
英国生物技术与生命科学研究理事会;
关键词
D O I
10.1038/nrc1435
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Cells induce the expression of DNA-repair enzymes, activate cell-cycle checkpoints and, under some circumstances, undergo apoptosis in response to DNA-damaging agents. The mechanisms by which these cellular responses are triggered are not well understood, but there is recent evidence that the transcription machinery might be used in DNA-damage surveillance and in triggering DNA-damage responses to suppress mutagenesis. Transcription might also act as a DNA-damage dosimeter where the severity of blockage determines whether or not to induce cell death. Could transcription therefore be a potential therapeutic target for anticancer strategies?
引用
收藏
页码:727 / 737
页数:12
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