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Gut-liver axis: an immune link between celiac disease and primary biliary cirrhosis

By U Volta, G Caio, F Tovoli and Roberto DE GIORGIO

Abstract

The association between celiac disease and primary biliary cirrhosis is well established. The breakdown of gut-liver axis equilibrium plays a central role in the development of immune disorders involving the small bowel and liver. In celiac disease, immunologically active molecules generated from the cross-linking between tissue transglutaminase and food/bacterial antigens reach the liver through the portal circulation owing to the increased intestinal permeability. A molecular mimicry between bacterial antigens and the pyruvate dehydrogenase E2 component, recognized by antimitochondrial autoantibodies, may have a role in primary biliary cirrhosis pathogenesis. An aberrant intestinal T lymphocyte homing to the liver may contribute to trigger immune hepatic damage. Both celiac disease and primary biliary cirrhosis share several features, including a higher prevalence in females, autoimmune comorbidities and specific autoantibodies. Reciprocal screening for both diseases is recommended, as an early diagnosis with the appropriate treatment can improve the outcome of these patient

Topics: CELIAC DISEASE, CELIAC DISEASE/*DIAGNOSIS/PATHOLOGY, PRIMARY BILIARY CIRRHOSIS, AUTOIMMUNE LIVER DISEASE, GUT LIVER AXIS
Year: 2013
DOI identifier: 10.1586/egh.13.5
OAI identifier: oai:iris.unife.it:11392/2374924
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