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Immune modulation by the hepatitis C virus core protein.

C Fernández-Ponce1, M Dominguez-Villar1,2, J P Muñoz-Miranda1

  • 1Department of Biomedicine, Biotechnology and Public Health (Immunology), University of Cadiz and Institute of Biomedical Research Cádiz (INIBICA), Cadiz, Spain.

Journal of Viral Hepatitis
|January 17, 2017
PubMed
Summary

Hepatitis C virus (HCV) core protein impacts immune cell function, aiding viral persistence. Understanding these mechanisms offers new strategies for controlling HCV infection.

Keywords:
HCVexhausted phenotypeimmune evasionimmune toleranceregulatory T cells

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Area of Science:

  • Virology
  • Immunology
  • Hepatology

Background:

  • Hepatitis C virus (HCV) is a major global cause of chronic liver disease and liver transplantation.
  • HCV employs immune evasion strategies crucial for viral persistence.
  • Several HCV proteins modulate the host immune response.

Purpose of the Study:

  • To review the immunomodulatory effects of the HCV nucleocapsid core protein.
  • To correlate core protein functions with immune cell behavior in chronic HCV infection.
  • To explore HCV core protein's role in immune evasion for antiviral development.

Main Methods:

  • Literature review focusing on HCV nucleocapsid core protein.
  • Analysis of studies examining extracellular and intracellular core protein localization.
  • Correlation of findings with clinical observations in HCV-infected patients.

Main Results:

  • HCV core protein influences immune cell function through both extracellular and intracellular mechanisms.
  • Specific interactions of the core protein contribute to immune evasion.
  • Observed effects align with immune dysregulation in chronically infected individuals.

Conclusions:

  • The HCV core protein is a significant factor in viral immune evasion.
  • Targeting the core protein's immune modulatory functions may lead to novel antiviral therapies.
  • Further research into the core protein could facilitate HCV control and eradication strategies.