The MRE11 complex: starting from the ends.

The MRE11 complex: starting from the ends.
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DOI:
10.1038/nrm3047
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发表时间:
2011-02
期刊:
Nature reviews. Molecular cell biology
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基因组稳定性的维持依赖于DNA损伤反应(DDR),DDR是一个包括信号转导、细胞周期调控和DNA修复的功能网络。由DDR控制的DNA双链断裂的代谢对于预防基因组改变和散发性癌症是重要的,并且这种反应中的遗传缺陷导致使人衰弱的病理学,包括发育缺陷和癌症。由减数分裂重组11(MRE 11)、RAD 50和奈梅亨断裂综合征1(NBS 1;也称为nimodium)蛋白组成的MRE 11复合物是DDR的核心,最近对其结构和功能的了解已经从体外结构分析和DDR反应缺陷的动物模型研究中获得。
The maintenance of genome stability depends on the DNA damage response (DDR), which is a functional network comprising signal transduction, cell cycle regulation and DNA repair. The metabolism of DNA double-strand breaks governed by the DDR is important for preventing genomic alterations and sporadic cancers, and hereditary defects in this response cause debilitating human pathologies, including developmental defects and cancer. The MRE11 complex, composed of the meiotic recombination 11 (MRE11), RAD50 and Nijmegen breakage syndrome 1 (NBS1; also known as nibrin) proteins is central to the DDR, and recent insights into its structure and function have been gained from in vitro structural analysis and studies of animal models in which the DDR response is deficient.
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