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Cloning, Expression, and Functional Analysis of Patient-Derived Hepatitis C Virus Glycoproteins

  • Alexander W. Tarr
  • Ania M. Owsianka
  • Alexandra Szwejk
  • Jonathan K. Ball
  • Arvind H. Patel
Part of the Methods in Molecular Biology book series (MIMB, volume 379)

Abstract

Hepatitis C virus (HC V) infection is a major cause of severe chronic liver disease including cirrhosis and hepatocellular carcinoma. HCV has been classified into six major genotypes that exhibit extensive genetic variability, particularly in the envelope glycoproteins E1 and E2. Knowledge of genotypic and quasispecies variation on viral glycoprotein properties is important in understanding the structure-function relationship of the proteins. Through their perceived role as components of the virion and mediators of virus attachment and entry, HCV glycoproteins are primary targets for the development of antiviral agents. In this chapter, we describe methods optimized to extract E1E2-encoding sequences of all the major genotypes from HCV-infected patient sera, and their amplification, cloning, expression, and biochemical characterization. Furthermore, we describe a method to generate retroviral nucleocapsid pseudotyped with HCV E1E2 of diverse genotypes (HCVpp) whereby infectivity of the retroviral particle is conferred by HCV glycoproteins. Finally, we show how the HCVpp can be used in an infection assay to determine the viral glycoprotein function at the level of the host-pathogen interface and subsequent events leading to virus infection.

Key Words

HCV HCVpp E1E2 glycoproteins virus entry CD81 SR-B1 RT-PCR antibodies 

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Copyright information

© Humana Press Inc., Totowa, NJ 2007

Authors and Affiliations

  • Alexander W. Tarr
    • 1
  • Ania M. Owsianka
    • 2
  • Alexandra Szwejk
    • 2
    • 3
  • Jonathan K. Ball
    • 1
  • Arvind H. Patel
    • 2
  1. 1.The Institute of Infection, Immunity, and Inflammation, School of Molecular Medical SciencesThe University of Nottingham, Queen’s Medical CentreNottinghamUK
  2. 2.MRC Virology UnitGlasgowUK
  3. 3.Department of Molecular VirologyUniversity of GdanskGdanskPoland

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