Rising from the RecQ-age: the role of human RecQ helicases in genome maintenance.

Rising from the RecQ-age: the role of human RecQ helicases in genome maintenance.
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DOI:
10.1016/j.tibs.2008.09.003
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发表时间:
2008-12
影响因子:
13.8
通讯作者:
Bohr VA
Bohr VA
中科院分区:
生物学1区
文献类型:
--
作者:
Bohr VA

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RecQ解旋酶是基因组的守护者。这个保守的蛋白质家族的成员在保护和稳定基因组免受有害变化的影响方面发挥着关键作用。RecQ解旋酶的缺陷会导致基因组高度不稳定,在人类中,会导致过早衰老和癌症易感性的增加。它们在DNA代谢中的不同作用,包括在端粒维持中的作用,反映了与多种细胞蛋白的相互作用,其中一些是多功能的,也具有非常不同的功能。体外细胞和生化研究的结果得到了最近使用转基因小鼠品系进行的体内研究的赞扬。总之,这些方法正在帮助解开RecQ解旋酶的作用机制和生物学功能(S)。
The RecQ helicases are guardians of the genome. Members of this conserved family of proteins have a key role in protecting and stabilizing the genome against deleterious changes. Deficiencies in RecQ helicases can lead to high levels of genomic instability and, in humans, to premature aging and increased susceptibility to cancer. Their diverse roles in DNA metabolism, which include a role in telomere maintenance, reflect interactions with multiple cellular proteins, some of which are multifunctional and also have very diverse functions. The results of in vitro cellular and biochemical studies have been complimented by recent in vivo studies using genetically modified mouse strains. Together, these approaches are helping to unravel the mechanism(s) of action and biological functions of the RecQ helicases.
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