Emerging roles of CST in maintaining genome stability and human disease.

Emerging roles of CST in maintaining genome stability and human disease.
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DOI:
10.2741/4661
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发表时间:
2018-03-01
期刊:
Frontiers in bioscience (Landmark edition)
影响因子:
--
通讯作者:
Schuck PL
Schuck PL
中科院分区:
其他
文献类型:
--
作者:
Stewart JA;Wang Y;Ackerson SM;Schuck PL

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人类CTC1-STN1-TEN1 (CST)复合物是一种单链DNA结合蛋白,与RPA具有同源性,并与DNA聚合酶α /引物酶相互作用。CST复合物从酵母到人类都是保守的,并在端粒维持中起作用。跨物种CST的共同作用是通过端粒酶和c链填充合成调节端粒延伸。然而,最近的研究也表明,CST促进端粒双工复制,并在非端粒位点挽救停滞的DNA复制。此外,CST功能障碍和突变与一些遗传疾病和癌症有关。在这篇综述中,我们将总结关于CST的已知信息,并特别关注CST在DNA复制和人类疾病中的新作用。
The human CTC1-STN1-TEN1 (CST) complex is a single-stranded DNA binding protein that shares homology with RPA and interacts with DNA polymerase alpha/primase. CST complexes are conserved from yeasts to humans and function in telomere maintenance. A common role of CST across species is in the regulation of telomere extension by telomerase and C-strand fill-in synthesis. However, recent studies also indicate that CST promotes telomere duplex replication as well the rescue of stalled DNA replication at non-telomeric sites. Furthermore, CST dysfunction and mutation is associated with several genetic diseases and cancers. In this review, we will summarize what is known about CST with a particular focus on the emerging roles of CST in DNA replication and human disease.
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