期刊
JOURNAL OF MICROBIOLOGY
卷 52, 期 6, 页码 445-451出版社
MICROBIOLOGICAL SOCIETY KOREA
DOI: 10.1007/s12275-014-4267-x
关键词
hepatitis C virus; liver disease; microRNA; therapeutics; antagonist; mimics
类别
资金
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning [2012M3A9B6055200, 2013R1A2 A2A01004649]
- National Research Foundation of Korea [2012M3A9B6055200, 2013R1A2A2A01004649] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Hepatitis C virus (HCV) infection is a worldwide health problem and is one of the main causes of chronic hepatitis, liver cirrhosis, and hepatocellular carcinoma (HCC). However, only limited therapeutic options and no vaccines are currently available against HCV infection. Recent studies of microRNAs (miRNAs), which are able to regulate HCV replication and its related liver diseases by directly interacting with the HCV genome or indirectly controlling virus-associated host pathways, have broadened our understanding of the HCV life cycle. HCV utilizes host cellular miRNAs and modulates expression of miRNAs in infected hepatocytes for its infection and propagation. Moreover, such miRNAs directly or indirectly alter HCV replication efficiency and induce liver diseases including liver fibrosis, cirrhosis, or HCC. Representatively, miR-122 directly modulates the HCV life cycle by increasing HCV translation and genomic RNA stability. Recently, a phase ha clinical trial with miravirsen, an LNA form of antimiR-122 oligonudeotides, showed significant reduction in serum HCV levels in patients chronically infected with HCV with no detectible evidence of resistance. In addition to miR-122, other miRNAs involved in the regulation of HCV propagation could be targeted in strategies to modulate HCV replication and pathogenesis. In this review, we summarize the features of miRNAs critical for HCV replication and HCV-mediated liver abnormalities and briefly discuss their potential application as therapeutic reagents for the treatment of HCV infection and its related diseases.
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