Circulating hepatocyte membrane-specific autoantibodies in chronic active hepatitis type B. Relation to virus replication activity and liver cell necrosis.

作者: Riccardo Meliconi , Mario Baraldini , Alfredo Alberti , Flavia Bortolotti , Giuseppe Realdi

DOI: 10.1007/BF01347294

关键词: AutoantibodyLiver biopsyHepatitis BHepatologyAntibodyPathologyLiver cellHepatocyteImmunologyHepatitisMedicineInternal medicine

摘要: Sera from two groups of untreated HBsAG-positive patients with chronic active hepatitis on liver biopsy were tested for antibodies to cell membrane antigens (liver-specific protein, LSP; and antigen, LM-Ag). Among the 14 HBeAg-positive cases, seven (50%) positive anti-LSP, whereas only (13%) 15 anti-HBe-positive cases circulated this antibody. Liver autoantibody (LMA) was detected in sera delta-positive (1 HBeAg 1 anti-HBe positive). Anti-LSP-positive presented transaminase values significantly higher than those negative cases. Our data do not support hypothesis that a liver-specific autoimmune mechanism plays significant role immunopathogenesis necrosis type B. The relationship between hepatocyte anti-LSP antibody response is confirmed.

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