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To assess the significance of cell-mediated immunity, T cells were derived from the peripheral blood and liver tissue of hepatitis B virus (HBV)-infected patients and controls. The analysis of the 3 H-thymidine-uptake in response to a panel of recombinant HBV antigens revealed that peripheral blood mononuclear cells (PBMC) of the 25 viremic patients with inflammatory active, chronic hepatitis...
A number of naturally occurring hepatitis B virus (HBV) mutants unable to synthesize the hepatitis B e antigen (HBeAg) have been identified in patients characterized by HBV DNA and anti-HBe in their serum. Because the analysis of the HBV-associated DNA and antigens in the liver tissue is still not complete, we investigated the precore sequence of HBV DNA and its encoded proteins in the liver tissue...