Efficient replication of blood-borne hepatitis C virus in human fetal liver stem cells.
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| Abstract |
The development of pathogenic mechanisms, specific antiviral treatments and preventive vaccines for hepatitis C virus (HCV) infection has been limited due to lack of cell culture models that can naturally imitate the entire HCV life cycle. Here, we established an HCV cell culture model based on human fetal liver stem cells (hFLSCs) that supports the entire blood-borne hepatitis C virus (bbHCV) life cycle. More than 90% of cells remained infected by various genotypes. bbHCV was efficiently propagated, and progeny virus were infectious to hFLSCs. The virus could be passed efficiently between cells. The viral infectivity was partially blocked by specific antibodies or small interfering RNA against HCV entry factors, whereas HCV replication was inhibited by antiviral drugs. We observed viral particles of approximately 55 nm in diameter in both cell culture media and infected cells after bbHCV infection. CONCLUSION: Our data show that the entire bbHCV life cycle could be naturally imitated in hFLSCs. This model is expected to provide a powerful tool for exploring the process and the mechanism of bbHCV infection at the cellular level and for evaluating the treatment and preventive strategies of bbHCV infection. (Hepatology 2017;66:1045-1057).
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| Authors | Xuan Guo, Shu Wang, Zhi-Gang Qiu, Ya-Ling Dou, Wei-Li Liu, Dong Yang, Zhi-Qiang Shen, Zhao-Li Chen, Jing-Feng Wang, Bin Zhang, Xin-Wei Wang, Xiang-Fei Guo, Xue-Lian Zhang, Min Jin, Jun-Wen Li |
| Journal | Hepatology (Baltimore, Md.) (Hepatology) Vol. 66 Issue 4 Pg. 1045-1057 (10 2017) ISSN: 1527-3350 [Electronic] United States |
| PMID | 28407288 (Publication Type: Evaluation Study, Journal Article) |
| Copyright | © 2017 by the American Association for the Study of Liver Diseases. |
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