Telomerase regulation.

Telomerase regulation.
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DOI:
10.1016/j.mrfmmm.2011.10.003
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发表时间:
2012-02-01
影响因子:
2.3
通讯作者:
Shippen, Dorothy E.
Shippen, Dorothy E.
中科院分区:
医学4区
文献类型:
--
作者:
Cifuentes-Rojas, Catherine;Shippen, Dorothy E.

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端粒酶调节与人类疾病之间的密切联系现已得到充分证实。端粒酶调控的分子基础是高度复杂的,需要多层次的控制。虽然酶调节的主要靶标是催化亚基TERT,但端粒酶的RNA亚基也涉及端粒酶控制。此外,基因剂量的改变和核心端粒酶组分的替代异构体已被描述。最后,端粒酶定位、端粒的募集和染色体末端的酶学都受到调节。本文就端粒酶调控的基本机制作一综述。
The intimate connection between telomerase regulation and human disease is now well established. The molecular basis for telomerase regulation is highly complex and entails multiple layers of control. While the major target of enzyme regulation is the catalytic subunit TERT, the RNA subunit of telomerase is also implicated in telomerase control. In addition, alterations in gene dosage and alternative isoforms of core telomerase components have been described. Finally, telomerase localization, recruitment to the telomere and enzymology at the chromosome terminus are all subject to modulation. In this review we summarize recent advances in understanding fundamental mechanisms of telomerase regulation.
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