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Structural proteins of hepatitis C virus

T Miyamura1, Y Matsuura

  • 1Dept of Virology II, National Institute of Health, Tokyo, Japan.

Trends in Microbiology
|September 1, 1993
PubMed
Summary

Hepatitis C virus proteins were identified and expressed in cells. Antibody detection in patients suggests these viral proteins are synthesized during infection.

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Area of Science:

  • Virology
  • Molecular Biology

Background:

  • Hepatitis C virus (HCV) infection is a major global health concern.
  • Lack of a robust in vitro replication system hinders HCV research.

Purpose of the Study:

  • To identify genes encoding HCV viral proteins.
  • To express these proteins in cellular systems.
  • To investigate their synthesis during viral infection.

Main Methods:

  • Gene identification for HCV nucleocapsid (p22) and envelope (gp35, gp58) proteins.
  • Expression of identified genes in cells using various vectors and promoters.
  • Detection of patient antibodies against expressed viral proteins.

Main Results:

  • Genes for putative nucleocapsid (p22) and envelope (gp35, gp58) proteins were identified.
  • Successful expression of these HCV proteins in cellular models.
  • Antibodies to these proteins were detected in sera from HCV patients.

Conclusions:

  • The identified genes code for authentic HCV proteins.
  • These viral proteins are likely synthesized during natural HCV infection.
  • Further research into HCV protein function and immune response is warranted.

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