Precore region mutation in hepatitis B virus genome in early stage of infection: a study in hepatitis B e antigen-positive young carriers.

Abstract excerpt

To determine when the precore mutation at the 83rd nucleotide occurs, leading to the formation of a stop codon in the hepatitis B virus genome in carriers, which would indicate the presence of antibody to hepatitis B e antigen (anti-HBe), we investigated this mutation by direct sequencing and subcloning in 22 young hepatitis B antigen (HBeAg) (+) carriers. These subjects were 7-17 years old and were found during...

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