Human telomerase disease mutants and its relation with hepatocarcinoma

Human telomerase disease mutants and its relation with hepatocarcinoma
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人类端粒酶疾病突变体及其与肝癌的关系

DOI:
10.20517/2394-5079.2015.56
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发表时间:
2016-05
期刊:
Hepatoma Research
影响因子:
--
通讯作者:
Yanmin Zhang
Yanmin Zhang
中科院分区:
其他
文献类型:
--
作者:
Yinnan Chen;Yanmin Zhang

文献摘要

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端粒酶是一种特殊的逆转录酶,它将端粒DNA重复序列添加到染色体的末端,以抵消丢失。绝大多数癌细胞的端粒酶表达上调,并维持其增殖和生长。肝细胞癌(HCC)是世界范围内最常见的癌症之一。它也是癌症死亡的主要原因之一,并且与异常的端粒酶功能有关。然而,关于端粒酶突变与肝癌的研究报道尚不多见。本文就端粒酶的结构和作用机制、端粒酶突变引起的遗传性疾病、肝癌以及以端粒酶为靶点的药物研究进展作一综述。然而,需要进一步的研究来阐明端粒酶RNA基因在肝癌发生和发展中的调控作用。
Telomerase is a special reverse transcriptase, which adds telomeric DNA repeats to the ends of chromosome to offset loss. A vast majority of cancer cells have been shown that their telomerase was up-regulated and sustain proliferation and growth. Hepatocellular carcinoma (HCC) is one of the most commonly occurring cancers worldwide. It is also one of the leading causes of cancer death, and is connected with abnormal telomerase function. However, reports about the telomerase mutations and HCC are still insufficient. In this review, the structure and mechanism of action of telomerase, inherited disorders caused by its mutations, hepatocarcinoma, and drug development targeting telomerase are reviewed. However, further investigations are needed to elucidate human telomerase RNA gene regulation for initiation and progression of the liver cancer.
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