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Hepatitis B virus (HBV) is a major cause of hepatocellular carcinoma (HCC). Previous studies have identified recurrent nonsense mutations in the HBV large S (LHBs) gene from the liver from HBV core antigen-positive HCC patients. These nonsense mutants have been shown to be oncogenic in mouse
Several physical, chemical, and serological properties of surface antigen particles from ground squirrel hepatitis virus (GSHsAg) and human hepatitis B virus (HBsAg) were compared. GSHsAg and HBsAg particles were purified from positive sera by gel chromatography and isopycnic centrifugation. Both
There is limited data on the patterns of HBV mutation in family contacts of chronic liver disease (CLD) patients in India. DNA sequence analysis is an important tool to study this viral epidemiology. Transmission and prevalence of mutations in the S and pre-C gene region in HBV infected close family
Antibodies present in the sera of a group of children with autoimmune hepatitis react with human cytochrome P450 IID6. cDNA constructions of various fragments of human P450 IID6 were made and expressed and the resulting peptides were tested in immunoblot with patients' sera. These allowed
A modified norharmane method was used for estimation of tryptamine in human urine at normal state. Tryptamine excretion did not depend on diuresis. Administration of neomycin did not affect the tryptamine excretion, which is inconsistent with the hypothesis on bacterial origin of the amine. Dynamics