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"e" Antigen, Dane particles, and serum DNA polymerase activity in HBsAg carriers
Annals of Internal Medicine
|October 1, 1976
Summary
Hepatitis B e-antigen-positive carriers show higher viral replication and liver enzyme elevations. This indicates more active hepatitis B infection compared to those negative for e-antigen or positive for anti-e.
Area of Science:
- Hepatology
- Virology
- Immunology
Background:
- Hepatitis B virus (HBV) infection is a significant global health concern.
- Hepatitis B e-antigen (HBeAg) and anti-HBe are important markers of HBV replication and infectivity.
- Understanding the relationship between these markers and viral activity is crucial for managing chronic hepatitis B.
Purpose of the Study:
- To investigate the correlation between hepatitis B e-antigen (HBeAg) status and markers of HBV replication.
- To assess the association of HBeAg and anti-HBe with aminotransferase levels and Dane particle presence in carriers.
Main Methods:
- Sera from 103 hepatitis B surface antigen carriers were tested for HBeAg and anti-HBe.
- Aminotransferase levels were measured to assess liver inflammation.
- Serum DNA polymerase activity and Dane particle presence were evaluated as indicators of viral replication.
Main Results:
- HBeAg-positive carriers had significantly higher rates of elevated aminotransferases (75%) compared to e-negative (25%) and anti-e-positive (13%) carriers.
- Serum DNA polymerase activity and Dane particle detection were significantly more frequent in HBeAg-positive carriers.
- No Dane particles were observed in anti-e-positive carriers.
Conclusions:
- HBeAg positivity is strongly associated with active hepatitis B viral replication.
- HBeAg-positive carriers exhibit higher levels of liver enzyme abnormalities, suggesting more active liver disease.
- These findings help explain the higher prevalence of chronic active hepatitis in HBeAg-positive individuals.
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