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Immunopathology of hepatitis C
K M Chang1, B Rehermann, F V Chisari
1Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, CA 92037, USA.
Springer Seminars in Immunopathology
|January 1, 1997
Summary
Hepatitis C virus (HCV) infection often persists despite immune responses. Cytotoxic T lymphocytes (CTL) may contribute to chronic liver injury in HCV patients.
Area of Science:
- Hepatology
- Immunology
- Virology
Background:
- Hepatitis C virus (HCV) infection frequently leads to chronic hepatitis.
- Immune responses, including cytotoxic T lymphocytes (CTL), are mounted but often fail to clear the virus.
Purpose of the Study:
- To review host and viral factors in chronic HCV pathogenesis.
- To emphasize the role of HLA-A2 restricted CTL responses in liver disease and viral load.
Main Methods:
- Review of existing literature on HCV pathogenesis.
- Focus on cellular immune responses, specifically CTL.
Main Results:
- Persistent HCV infection is common, even with immune responses.
- CTLs are present but may not eradicate the virus and can contribute to liver damage.
Conclusions:
- Understanding CTL responses is crucial for managing chronic HCV.
- Host and viral factors influence the progression of HCV-related liver disease.