Escherichia coli infection induces autoimmune cholangitis and anti-mitochondrial antibodies in non-obese diabetic (NOD).B6 (Idd10/Idd18) mice

J. J. Wang, G. X. Yang, Weici Zhang, L. Lu, K. Tsuneyama, M. Kronenberg, J. L. Véla, M. Lopez-Hoyos, Xiaosong He, W. M. Ridgway, Patrick S Leung, M. Eric Gershwin

Research output: Contribution to journalArticle

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Abstract

Summary: Several epidemiological studies have demonstrated that patients with primary biliary cirrhosis (PBC) have a higher incidence of urinary tract infections (UTI) and there is significant homology of the immunodominant mitochondrial autoantigen, the E2 component of the pyruvate dehydrogenase complex (PDC-E2), between mammals and bacteria. Previous work has demonstrated that non-obese diabetic (NOD).B6 Idd10/Idd18 infected with Novosphingobium aromaticivorans developed liver lesions similar to human PBC. It was postulated that the biliary disease was dependent upon the presence of the unique N.aro glycosphingolipids in activating natural killer T (NKT) cells. To address this issue, we infected NOD.B6 Idd10/Idd18 mice with either Escherichia coli, N.aro or use of a phosphate-buffered saline (PBS) vehicle control and serially followed animals for the appearance of liver pathology and anti-mitochondrial autoantibodies (AMA). Of striking importance, the biliary disease of E.coli-infected mice was more severe than N. Aro-infected mice and the titre of AMA was higher in E.coli-infected mice. Furthermore, the immunopathology did not correlate with the ability of bacterial extracts to produce antigen-dependent activation of NKT cells. Our data suggest that the unique glycosphingolipids of N.aro are not required for the development of autoimmune cholangitis. Importantly, the data highlight the clinical significance of E.coli infection in a genetically susceptible host, and we suggest that the appearance of autoimmune cholangitis is dependent upon molecular mimicry. These data highlight that breach of tolerance to PDC-E2 is probably the first event in the natural history of PBC in genetically susceptible hosts.

Original languageEnglish (US)
Pages (from-to)192-201
Number of pages10
JournalClinical and Experimental Immunology
Volume175
Issue number2
DOIs
StatePublished - Feb 2014

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Escherichia coli Infections
Cholangitis
Biliary Liver Cirrhosis
Anti-Idiotypic Antibodies
Glycosphingolipids
Natural Killer T-Cells
Escherichia coli
Autoantibodies
Dihydrolipoyllysine-Residue Acetyltransferase
Molecular Mimicry
Liver
Autoantigens
Urinary Tract Infections
Epidemiologic Studies
Mammals
Phosphates
Pathology
Bacteria
Antigens
Incidence

Keywords

  • Anti-mitochondrial autoantibodies
  • Cholangitis
  • Immune tolerance
  • Microbial aetiology
  • Primary biliary cirrhosis

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

Escherichia coli infection induces autoimmune cholangitis and anti-mitochondrial antibodies in non-obese diabetic (NOD).B6 (Idd10/Idd18) mice. / Wang, J. J.; Yang, G. X.; Zhang, Weici; Lu, L.; Tsuneyama, K.; Kronenberg, M.; Véla, J. L.; Lopez-Hoyos, M.; He, Xiaosong; Ridgway, W. M.; Leung, Patrick S; Gershwin, M. Eric.

In: Clinical and Experimental Immunology, Vol. 175, No. 2, 02.2014, p. 192-201.

Research output: Contribution to journalArticle

Wang, J. J. ; Yang, G. X. ; Zhang, Weici ; Lu, L. ; Tsuneyama, K. ; Kronenberg, M. ; Véla, J. L. ; Lopez-Hoyos, M. ; He, Xiaosong ; Ridgway, W. M. ; Leung, Patrick S ; Gershwin, M. Eric. / Escherichia coli infection induces autoimmune cholangitis and anti-mitochondrial antibodies in non-obese diabetic (NOD).B6 (Idd10/Idd18) mice. In: Clinical and Experimental Immunology. 2014 ; Vol. 175, No. 2. pp. 192-201.
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abstract = "Summary: Several epidemiological studies have demonstrated that patients with primary biliary cirrhosis (PBC) have a higher incidence of urinary tract infections (UTI) and there is significant homology of the immunodominant mitochondrial autoantigen, the E2 component of the pyruvate dehydrogenase complex (PDC-E2), between mammals and bacteria. Previous work has demonstrated that non-obese diabetic (NOD).B6 Idd10/Idd18 infected with Novosphingobium aromaticivorans developed liver lesions similar to human PBC. It was postulated that the biliary disease was dependent upon the presence of the unique N.aro glycosphingolipids in activating natural killer T (NKT) cells. To address this issue, we infected NOD.B6 Idd10/Idd18 mice with either Escherichia coli, N.aro or use of a phosphate-buffered saline (PBS) vehicle control and serially followed animals for the appearance of liver pathology and anti-mitochondrial autoantibodies (AMA). Of striking importance, the biliary disease of E.coli-infected mice was more severe than N. Aro-infected mice and the titre of AMA was higher in E.coli-infected mice. Furthermore, the immunopathology did not correlate with the ability of bacterial extracts to produce antigen-dependent activation of NKT cells. Our data suggest that the unique glycosphingolipids of N.aro are not required for the development of autoimmune cholangitis. Importantly, the data highlight the clinical significance of E.coli infection in a genetically susceptible host, and we suggest that the appearance of autoimmune cholangitis is dependent upon molecular mimicry. These data highlight that breach of tolerance to PDC-E2 is probably the first event in the natural history of PBC in genetically susceptible hosts.",
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AU - Yang, G. X.

AU - Zhang, Weici

AU - Lu, L.

AU - Tsuneyama, K.

AU - Kronenberg, M.

AU - Véla, J. L.

AU - Lopez-Hoyos, M.

AU - He, Xiaosong

AU - Ridgway, W. M.

AU - Leung, Patrick S

AU - Gershwin, M. Eric

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AB - Summary: Several epidemiological studies have demonstrated that patients with primary biliary cirrhosis (PBC) have a higher incidence of urinary tract infections (UTI) and there is significant homology of the immunodominant mitochondrial autoantigen, the E2 component of the pyruvate dehydrogenase complex (PDC-E2), between mammals and bacteria. Previous work has demonstrated that non-obese diabetic (NOD).B6 Idd10/Idd18 infected with Novosphingobium aromaticivorans developed liver lesions similar to human PBC. It was postulated that the biliary disease was dependent upon the presence of the unique N.aro glycosphingolipids in activating natural killer T (NKT) cells. To address this issue, we infected NOD.B6 Idd10/Idd18 mice with either Escherichia coli, N.aro or use of a phosphate-buffered saline (PBS) vehicle control and serially followed animals for the appearance of liver pathology and anti-mitochondrial autoantibodies (AMA). Of striking importance, the biliary disease of E.coli-infected mice was more severe than N. Aro-infected mice and the titre of AMA was higher in E.coli-infected mice. Furthermore, the immunopathology did not correlate with the ability of bacterial extracts to produce antigen-dependent activation of NKT cells. Our data suggest that the unique glycosphingolipids of N.aro are not required for the development of autoimmune cholangitis. Importantly, the data highlight the clinical significance of E.coli infection in a genetically susceptible host, and we suggest that the appearance of autoimmune cholangitis is dependent upon molecular mimicry. These data highlight that breach of tolerance to PDC-E2 is probably the first event in the natural history of PBC in genetically susceptible hosts.

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