Effects of a frequent double-nucleotide basal core promoter mutation and its putative single-nucleotide precursor mutations on hepatitis B virus gene expression and replication.

Abstract excerpt

The basal core promoter (BCP) of hepatitis B virus (HBV) directs the transcription of both precore RNA and core RNA which code for e antigen (HBeAg) and core antigen, respectively. A double mutation in the BCP which converts nucleotide (nt) 1762 from A to T and nt 1764 from G to A is frequently observed in patients with chronic hepatitis B. We recently demonstrated that this double mutation prevented the binding...

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