Helicase inhibitors as specifically targeted antiviral therapy for hepatitis C.

Helicase inhibitors as specifically targeted antiviral therapy for hepatitis C.
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DOI:
10.2217/fvl.09.7
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发表时间:
2009-05-01
期刊:
影响因子:
3.1
通讯作者:
Frick DN
Frick DN
中科院分区:
医学4区
文献类型:
--
作者:
Belon CA;Frick DN

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丙型肝炎病毒(HCV)导致慢性肝病,影响世界人口的2%以上。该疾病的并发症包括纤维化、肝硬化和肝细胞癌。目前治疗慢性HCV感染的方法是利巴韦林和聚乙二醇化IFN-α的组合,价格昂贵,引起严重的副作用,并且对几种常见的HCV毒株只有中等效果。丙型肝炎特异性靶向抗病毒治疗(STAT-C)可能会补充或取代现有的治疗方法。STAT-C的主要化合物靶向HCV非结构(NS)5 B聚合酶和NS 3蛋白酶,然而,由于病毒耐药性的持续威胁,必须不断开发其他靶标。一个这样的未开发的靶标是HCV NS 3蛋白的解旋酶结构域。HCV解旋酶使用来自ATP水解的能量来分离碱基配对的RNA或DNA。本文讨论了HCV解旋酶的独特功能,最近发现的化合物,抑制HCV解旋酶催化的反应和HCV细胞复制,和新的方法来监测解旋酶的行动,在高通量的格式。
The hepatitis C virus (HCV) leads to chronic liver disease and affects more than 2% of the world’s population. Complications of the disease include fibrosis, cirrhosis and hepatocellular carcinoma. Current therapy for chronic HCV infection, a combination of ribavirin and pegylated IFN-α, is expensive, causes profound side effects and is only moderately effective against several common HCV strains. Specifically targeted antiviral therapy for hepatitis C (STAT-C) will probably supplement or replace present therapies. Leading compounds for STAT-C target the HCV nonstructural (NS)5B polymerase and NS3 protease, however, owing to the constant threat of viral resistance, other targets must be continually developed. One such underdeveloped target is the helicase domain of the HCV NS3 protein. The HCV helicase uses energy derived from ATP hydrolysis to separate based-paired RNA or DNA. This article discusses unique features of the HCV helicase, recently discovered compounds that inhibit HCV helicase catalyzed reactions and HCV cellular replication, and new methods to monitor helicase action in a high-throughput format.
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