Autoimmune cholangitis in the SJL/J mouse is antigen non-specific

Motoko Sasaki, Jorge Allina, Joseph A. Odin, Swan N. Thung, Ross Coppel, Yasuni Nakanuma, M. Eric Gershwin

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14 Scopus citations


Primary biliary cirrhosis (PBC) is an autoimmune disease characterized by intrahepatic bile duct destruction and the production of anti-mitochondrial antibodies (AMA). The absence of an animal model has been a striking impedance in defining the molecular basis of disease. Previous work has suggested that SJL/J mice immunize with the pyruvate dehydrogenase complex (PDC-E2), the major mitochondrial autoantigen of PBC, leads to the development of lymphoid cell infiltration in portal tracts and a model system coined autoimmune cholangitis. We hypothesized that this pathology would be augmented if immunization occurred in the presence of IFN-γ injections. Accordingly, SJL/J mice were immunized with PDC-E2 and, for purpose of control, α-casein. Subgroups of mice were also treated with exogenous IFN-γ. As expected, mice immunized with PDC-E2, with or without IFN-γ, developed high titer AMAs. In contrast, mice immunized with α-casein, develop antinuclear antibodies. More importantly, the livers from mice immunized with PDC-E2 and/or those immunized with α-casein all displayed lymphoid cell infiltration to the portal tracts, irrespective of bile duct size. Indeed, there was no significant difference between the experimental and the control groups by histologic analysis. Thus, autoimmune cholangitis in these mice is antigen non-specific.

Original languageEnglish
Pages (from-to)103-111
Number of pages9
JournalDevelopmental Immunology
Issue number2
StatePublished - Jun 2002


  • Anti-mitochondrial antibody
  • Autoimmunity
  • Cholangitis
  • Liver
  • Primary biliary cirrhosis
  • SJL/J mice


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