Abstract
e-antigen and anti-e were assayed in sera of asymptomatic HBs-Ag carriers and of patients with liver diseases. Thirteen out of 34 (38.2%) asymptomatic carriers were positive for e-antigen, which was in sharp contrast to the reports from USA and Europe. e-antigen was detected to a greater extent in patients with chronic active hepatitis, reversely anti-e in patients with chronic persistent hepatitis. However, e-antigen was found rarely in patients with cirrhosis and never in 23 cases with hepatoma positive for HBs-Ag. HBc-Ag in the liver was detected in 4 out of 8 e-antigen positive asymptomatic carriers and in 4 out of 5 patients with chronic liver diseases with e-antigen respectively, and moreover in 3 out of 14 anti-e positive cases, so that the presence of anti-e did not necessarily mean the negativity of HBc-Ag in the liver. Anti-HBc titer, however, was lower in anti-e positive sera than in e-antigen positive ones. This may implicate the decreased replication of HBV in cases with anti-e. These results emphasize that the investigation of e-antigen/anti-e is mandatory for the evaluation of the prognosis of asymptomatic carriers and of patients with chronic hepatitis.
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