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[Hepatitis viruses and hepatocarcinogenesis]

S Kaneko1, M Unoura, K Kobayashi

  • 1First Department of Internal Medicine, School of Medicine, Kanazawa University, Japan.

Gan to Kagaku Ryoho. Cancer & Chemotherapy
|May 1, 1993
PubMed
Summary

Hepatitis B and C viruses are closely linked to liver cancer (hepatocellular carcinoma) in Japan. Viral hepatitis significantly increases the risk of developing liver cancer over time.

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Area of Science:

  • Hepatology
  • Virology
  • Oncology

Context:

  • Hepatocellular carcinoma (HCC) is a major global health concern.
  • In Japan, a high percentage of HCC patients have advanced liver disease, frequently associated with viral hepatitis.

Purpose:

  • To summarize the role of hepatitis viruses in hepatocarcinogenesis.
  • To review the association between chronic viral hepatitis and the development of liver cancer.

Summary:

  • A significant majority of hepatocellular carcinoma patients in Japan exhibit chronic viral hepatitis (Hepatitis B virus or Hepatitis C virus).
  • Longitudinal studies show a substantially higher incidence of HCC in patients with chronic hepatitis and liver cirrhosis, particularly those with viral infections.
  • Mechanisms like "insertion-mutagenesis," X protein transactivation, and genomic instability due to viral integration are implicated for Hepatitis B virus.

Impact:

  • Highlights the strong correlation between viral hepatitis and liver cancer development.
  • Underscores the need for further research into the direct viral mechanisms and host DNA alterations in hepatocarcinogenesis.

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