Abstract
Hepatitis C virus (HCV) is a hepatotropic virus and a major cause of chronic hepatitis and liver disease worldwide. Initial interactions between HCV virions and hepatocytes are required for productive viral infection and initiation of the viral life cycle. Furthermore, HCV entry contributes to the tissue tropism and species specificity of this virus. The elucidation of these interactions is critical, not only to understand the pathogenesis of HCV infection, but also to design efficient antiviral strategies and vaccines. This review summarizes our current knowledge of the host factors required for the HCV-host interactions during HCV binding and entry, our understanding of the molecular mechanisms underlying HCV entry into target cells, and the relevance of HCV entry for the pathogenesis of liver disease, antiviral therapy, and vaccine development.
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Abbreviations
- Apo:
-
Apolipoprotein
- CD81:
-
Cluster of differentiation 81
- CLDN1:
-
Claudin 1
- EGFR:
-
Epidermal growth factor receptor
- EphA2:
-
Ephrin receptor A2
- HCV:
-
Hepatitis C virus
- HCVcc:
-
Cell culture-derived HCV
- HCV-LPs:
-
HCV-like particles
- HCVpp:
-
HCV pseudoparticles
- HDL:
-
High-density lipoprotein
- IgG:
-
Immunoglobulin G
- JFH1:
-
Japanese fulminant hepatitis 1
- LDL:
-
Low-density lipoprotein
- LDLR:
-
Low-density lipoprotein receptor
- LT:
-
Liver transplantation
- mAb:
-
Monoclonal antibody
- NPC1L1:
-
Niemann-Pick C1-like 1
- OCLN:
-
Occludin
- PKA:
-
Protein kinase A
- RTKs:
-
Receptor tyrosine kinases
- SR-BI:
-
Scavenger receptor class B type I (alias SCARBI)
- TG:
-
Triglyceride
- VLDL:
-
Very-low-density lipoprotein
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Acknowledgments
The authors acknowledge financial support of their work by the European Union (ERC-2008-AdG-233130-HEPCENT and INTERREG-IV-FEDER-Hepato-Regio-Net 2009 and 2012), Laboratoire d’Excellence HEPSYS (Investissement d’Avenir; ANR-10-LAB-28), ANRS (2008/354, 2009/183, 2011/132, 2012/239), Inserm, University of Strasbourg and the Strasbourg University Hospitals, France. DJF is a recipient of an EASL fellowship. We also would like to thank Isabel Fofana (Inserm U748, Strasbourg, France) for critical reading of the manuscript.
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Zeisel, M.B., Felmlee, D.J., Baumert, T.F. (2013). Hepatitis C Virus Entry. In: Bartenschlager, R. (eds) Hepatitis C Virus: From Molecular Virology to Antiviral Therapy. Current Topics in Microbiology and Immunology, vol 369. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27340-7_4
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