title: Fatal submassive hepatic necrosis associated with tyrosine-methionine-aspartate-aspartate-motif mutation of hepatitis B virus after long-term lamivudine therapy.
abstract: We present a case of infection with lamivudine-resistant mutant hepatitis B virus (HBV) that fatally exacerbated hepatitis following the emergence of HBV with mutations in the tyrosine-methionine-aspartate-aspartate (YMDD) motif in an immunocompetent patient who was receiving long-term lamivudine therapy. Restriction fragment length polymorphism analysis showed that the YMDD-motif mutant was the predominant form of circulating HBV at the time of the fatal exacerbation, and a necropsy specimen of the liver revealed submassive hepatic necrosis without steatosis.
authors: Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, 28 Yungun-dong, Chongno-gu, Seoul 110-744, South Korea.
authors: J W
authors: JW
authors: Kim
authors: H S
authors: HS
authors: Lee
authors: G H
authors: GH
authors: Woo
authors: J H
authors: JH
authors: Yoon
authors: J J
authors: JJ
authors: Jang
authors: J G
authors: JG
authors: Chi
authors: C Y
authors: CY
authors: Kim
mesh_terms: D020816:Amino Acid Motifs / Q000235:genetics; D000998:Antiviral Agents / Q000494:pharmacology / Q000627:therapeutic use*; D004352:Drug Resistance, Microbial; D017809:Fatal Outcome; D006515:Hepatitis B virus / Q000187:drug effects* / Q000235:genetics*; D019694:Hepatitis B, Chronic / Q000188:drug therapy* / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D007121:Immunocompetence; D019259:Lamivudine / Q000494:pharmacology / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D009154:Mutation; D009336:Necrosis; D012150:Polymorphism, Restriction Fragment Length; D018894:Reverse Transcriptase Inhibitors / Q000494:pharmacology / Q000627:therapeutic use*
chemical_list: D000998:Antiviral Agents; D018894:Reverse Transcriptase Inhibitors; D019259:Lamivudine