Detection of YMDD motif mutations in some lamivudine-untreated asymptomatic hepatitis B virus carriers.

Abstract excerpt

BACKGROUND/AIM: It is well documented that long-term lamivudine treatment induces emergence of lamivudine-resistant hepatitis B virus (HBV), namely, YMDD motif mutation in some patients chronically infected with HBV. We previously reported that there were no YMDD mutant viruses in patients with chronic hepatitis B who were not treated with lamivudine. In this series, we examined mutations in the YMDD motif gene...

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