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Long Term Intravital Multiphoton Microscopy Imaging of Immune Cells in Healthy and Diseased Liver Using CXCR6.Gfp Reporter Mice
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Infections and the liver.

Bertus Eksteen1

  • 1Centre for Liver Research, MRC Centre for Immune Regulation, Institute for Biomedical Research, Medical School, University of Birmingham, Birmingham, UK. b.eksteen@bham.ac.uk

Digestive Diseases (Basel, Switzerland)
|July 8, 2011
PubMed
Summary

Host genetic factors significantly influence viral hepatitis outcomes. Specific gene variants impact treatment success for Hepatitis C virus (HCV) and Hepatitis B virus (HBV) infections, affecting global public health.

Area of Science:

  • Virology
  • Immunogenetics
  • Hepatology

Background:

  • Hepatitis B (HBV) and Hepatitis C (HCV) affect nearly half a billion people globally, frequently necessitating liver transplantation.
  • Favorable host factors are crucial for successful outcomes with current antiviral therapies.

Purpose of the Study:

  • To investigate the role of host genetic factors in viral hepatitis outcomes.
  • To understand the impact of specific genetic variations on treatment response and spontaneous viral clearance.

Main Methods:

  • Analysis of single nucleotide polymorphisms (SNPs) near the IL28B gene.
  • Correlation of genetic variants with treatment response to pegylated interferon-alpha and ribavirin therapy for HCV.
  • Examination of host tolerance mechanisms in chronic HBV infection.

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Main Results:

  • SNPs near IL28B, encoding interferon-lambda 3, significantly predict HCV clearance during treatment.
  • Individuals with two copies of a favorable IL28B variant achieved an 80% sustained viral response rate.
  • Genetic variations influence HBV tolerance, impacting progression to cirrhosis and liver cancer, and are unevenly distributed across populations.

Conclusions:

  • Host genetic factors play a critical role in determining the efficacy of antiviral treatments for HBV and HCV.
  • Understanding host-viral interactions is essential for developing future therapeutic strategies against viral hepatitis.