Mammalian base excision repair: the forgotten archangel.

Mammalian base excision repair: the forgotten archangel.
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DOI:
10.1093/nar/gkt076
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发表时间:
2013-04-01
影响因子:
14.9
通讯作者:
Hübscher U
Hübscher U
中科院分区:
生物学2区
文献类型:
--
作者:
Dianov GL;Hübscher U

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碱基切除修复(BER)是一种前线修复系统,负责维持基因组的完整性,从而防止过早衰老,癌症和许多其他人类疾病,通过修复成千上万的DNA损伤和链断裂不断引起的内源性和外源性诱变剂。BER的这一基本和基本功能不仅需要严格控制基本组分的连续可用性以进行快速和准确的修复,而且还需要BER和细胞周期进程的时空协调以防止受损DNA的复制。本次审查的主要目标是严格审查有争议的和新出现的问题,哺乳动物的BER途径,机制调节BER能力,BER响应DNA损伤和DNA复制的检查点控制的联系。
Base excision repair (BER) is a frontline repair system that is responsible for maintaining genome integrity and thus preventing premature aging, cancer and many other human diseases by repairing thousands of DNA lesions and strand breaks continuously caused by endogenous and exogenous mutagens. This fundamental and essential function of BER not only necessitates tight control of the continuous availability of basic components for fast and accurate repair, but also requires temporal and spatial coordination of BER and cell cycle progression to prevent replication of damaged DNA. The major goal of this review is to critically examine controversial and newly emerging questions about mammalian BER pathways, mechanisms regulating BER capacity, BER responses to DNA damage and their links to checkpoint control of DNA replication.
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