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Prevention of liver cancer and cirrhosis by vaccines

A M Prince1

  • 1Lindsley F. Kimball Research Institute, New York Blood Center, New York, USA.

Clinics in Laboratory Medicine
|June 1, 1996
PubMed

Insights

Hepatitis B (HBV) and Hepatitis C (HCV) infections affect over 700 million people globally. While HBV vaccines exist, developing an effective HCV vaccine and therapeutic vaccines for chronic infections remains a priority.

Area of Science:

  • Hepatitis B and C virus (HBV and HCV) research
  • Vaccine development and immunology

Background:

  • HBV and HCV are leading causes of chronic hepatitis, cirrhosis, and hepatocellular carcinoma (HCC).
  • Over 700 million individuals worldwide are chronically infected.
  • Preventing chronic infection via immunization is a global health priority.

Purpose of the Study:

  • To review the current status of HBV and HCV vaccines.
  • To highlight the challenges and goals in developing an HCV vaccine.
  • To discuss the potential of therapeutic vaccines for chronic viral infections.

Main Methods:

  • Review of existing literature on HBV and HCV vaccines.
  • Analysis of challenges in HCV vaccine development due to viral heterogeneity.
  • Exploration of therapeutic vaccine strategies, particularly those inducing cytotoxic T lymphocyte (CTL) responses.

Main Results:

  • Safe and effective HBV vaccines (plasma-derived and recombinant) are available but not universally used due to cost.
  • An HCV vaccine is not yet available, hindered by high viral protein variability.
  • Therapeutic vaccines inducing CTL responses show promise for treating chronic infections.

Conclusions:

  • Universal HBV vaccination is crucial for preventing chronic hepatitis and its complications.
  • Overcoming HCV's genetic diversity is key to developing a successful vaccine.
  • Therapeutic vaccines represent a promising avenue for managing chronic HBV and HCV infections.

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