Abstract
Hepatitis C virus (HCV) infection causes chronic liver disease and is a worldwide health problem. Despite ever-increasing demand for knowledge on viral replication and pathogenesis, detailed analysis has been hampered by a lack of efficient viral culture systems. We isolated HCV genotype 2a strain JFH-1 from a patient with fulminant hepatitis. This strain replicates efficiently in Huh7 cells. Efficient replication and secretion of recombinant viral particles can be obtained in cell culture by transfection of in vitro–transcribed full-length JFH-1 RNA into Huh7 cells. JFH-1 virus generated in cell culture is infectious for both naive Huh7 cells and chimpanzees. The efficiency of viral production and infectivity of generated virus is substantially improved with permissive cell lines. This protocol describes how to use this system, which provides a powerful tool for studying viral life cycle and for the construction of antiviral strategies and the development of effective vaccines. Viral particles can be obtained in 12 days with this protocol.
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Acknowledgements
Partially supported by a grant-in-aid for Scientific Research from the Japan Society for the Promotion of Science, from the Ministry of Health, Labour and Welfare of Japan and from the Ministry of Education, Culture, Sports, Science and Technology, and by the Research on Health Sciences Focusing on Drug Innovation from the Japan Health Sciences Foundation.
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Kato, T., Date, T., Murayama, A. et al. Cell culture and infection system for hepatitis C virus. Nat Protoc 1, 2334–2339 (2006). https://doi.org/10.1038/nprot.2006.395
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DOI: https://doi.org/10.1038/nprot.2006.395
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