What do we need to know about non-A-to-E viral hepatitis?

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K V Menon1, N N Zein

  • 1Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street, SW, Rochester, MN 55905, USA.

Current Gastroenterology Reports
|September 12, 2000
PubMed

Insights

New hepatotrophic viruses like GB virus-C, TT virus, and SEN virus are emerging globally. While their prevalence is documented, definitive links to specific liver diseases remain unproven, though SEN virus shows potential in cryptogenic chronic hepatitis.

Area of Science:

  • Hepatology
  • Virology
  • Infectious Diseases

Background:

  • The spectrum of hepatotrophic viruses is expanding with recent discoveries.
  • GB virus-C and TT virus have demonstrated global prevalence, particularly in certain populations.
  • The etiological role of these novel viruses in liver disease is under investigation.

Purpose of the Study:

  • To review the current understanding of newly identified hepatotrophic viruses.
  • To discuss the prevalence and potential clinical significance of GB virus-C, TT virus, and SEN virus.
  • To highlight the ongoing search for evidence linking these viruses to specific liver pathologies.

Main Methods:

  • Literature review of epidemiological studies.
  • Analysis of prevalence data in different populations.
  • Evaluation of clinical case reports and research on viral associations with liver disease.

Main Results:

  • GB virus-C prevalence ranges from 1.2% to 13% globally in healthy donors, with higher rates in intravenous drug users.
  • TT virus is globally distributed, but its direct link to specific liver diseases is not definitively established.
  • SEN virus is a potential novel agent associated with cryptogenic chronic hepatitis, pending further research.

Conclusions:

  • The clinical significance of GB virus-C and TT virus in liver disease requires further investigation.
  • SEN virus presents a promising area of research for cryptogenic chronic hepatitis.
  • Continued research is essential to elucidate the role of these emerging viruses in human health.

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