Epigenetic regulation of covalently closed circular DNA minichromosome in hepatitis B virus infection

Epigenetic regulation of covalently closed circular DNA minichromosome in hepatitis B virus infection
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乙型肝炎病毒感染中共价闭合环状DNA微小染色体的表观遗传调控

DOI:
10.1007/s41048-020-00112-z
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发表时间:
2020-07
期刊:
影响因子:
--
通讯作者:
Lanfeng Wang
Lanfeng Wang
中科院分区:
--
文献类型:
--
作者:
Zhaoning Wang;Weiwei Wang;Lanfeng Wang

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乙型肝炎是由乙肝病毒(乙肝病毒)引起的,持续的乙肝病毒感染是一个全球性的公共卫生问题,2.57亿人是乙肝病毒的慢性携带者。病毒共价闭合环状DNA(CccDNA)是在感染的肝细胞中建立持续感染的关键因素。目前的抗病毒治疗对原有的cccDNA库没有直接影响,cccDNA库可以通过劫持宿主因子组装成微染色体。了解ccCDNA微染色体的表观遗传调控机制,对于开发新的治疗HBV靶向靶点cccDNA具有重要意义。本文综述了ccCDNA微染色体的表观遗传调控研究进展,旨在通过沉默或消除ccCDNA库,为寻找治疗乙肝的新型药物靶点提供线索。
Hepatitis B is caused by hepatitis B virus (HBV), and persistent HBV infection is a global public health problem, with 257 million people as HBV chronic carriers. Viral covalently closed circular DNA (cccDNA) is a key factor to establish persistent infection in infected hepatocytes. Current antiviral therapies have no direct impact on pre-existing cccDNA reservoir, which can be assembled into minichromosome by hijacking host factors. Understanding the mechanisms of epigenetic regulation in cccDNA minichromosome is crucial to develop new therapy on cccDNA, an attractive target for HBV cure. This review summarizes the current advances in epigenetic regulation of cccDNA minichromosome, which might provide clues to novel druggable targets to cure hepatitis B by either silencing or eliminating cccDNA reservoir.
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