CST in maintaining genome stability: Beyond telomeres.

CST in maintaining genome stability: Beyond telomeres.
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CST在维持基因组稳定性:超越端粒。

DOI:
10.1016/j.dnarep.2021.103104
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发表时间:
2021-06
期刊:
影响因子:
3.8
通讯作者:
Chai W
Chai W
中科院分区:
医学3区
文献类型:
--
作者:
Lyu X;Sang PB;Chai W

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人CST(CTC1-STN1-TEN1)复合体是一种类似RPA的单链DNA结合蛋白复合体。虽然它的端粒功能已经被很好地研究,但大量的研究表明,HCST在维持端粒以外的基因组稳定方面也发挥着重要作用。在这里,我们回顾和讨论了CST在各种全球基因组维持途径中的最新发现,包括CST超复合体结构的发现,它在无干扰DNA复制、停滞复制、双链断裂修复和ATR-CHK1激活途径中的功能。通过总结这些最新发现,我们希望对基因组维持机制和CST突变相关疾病的发病机制提供新的见解。
The human CST (CTC1-STN1-TEN1) complex is an RPA-like single-stranded DNA binding protein complex. While its telomeric functions have been well investigated, numerous studies have revealed that hCST also plays important roles in maintaining genome stability beyond telomeres. Here, we review and discuss recent discoveries on CST in various global genome maintenance pathways, including findings on the CST supercomplex structure, its functions in unperturbed DNA replication, stalled replication, double-strand break repair, and the ATR-CHK1 activation pathway. By summarizing these recent discoveries, we hope to offer new insights into genome maintenance mechanisms and the pathogenesis of CST mutation-associated diseases.
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