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Abstract Title:

Celiac disease: an immunological jigsaw.

Abstract Source:

Immunity. 2012 Jun 29 ;36(6):907-19. PMID: 22749351

Abstract Author(s):

Bertrand Meresse, Georgia Malamut, Nadine Cerf-Bensussan

Article Affiliation:

INSERM, U989, 75015 Paris, France; Université Paris Descartes, Paris Sorbonne Centre, Institut IMAGINE, 75015 Paris, France.

Abstract:

Celiac disease (CD) is a chronic enteropathy induced by dietary gluten in genetically predisposed people. The keystone of CD pathogenesis is an adaptive immune response orchestrated by the interplay between gluten and MHC class II HLA-DQ2 and DQ8 molecules. Yet, other factors that impair immunoregulatory mechanisms and/or activate the large population of intestinal intraepithelial lymphocytes (IEL) are indispensable for driving tissue damage. Herein, we summarize our current understanding of the mechanisms and consequences of the undesirable immune response initiated by gluten peptides. We show that CD is a model disease to decipher the role of MHC class II molecules in human immunopathology, to analyze the mechanisms that link tolerance to food proteins and autoimmunity, and to investigate how chronic activation of IEL can lead to T cell lymphomagenesis.

Study Type : Review
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Sayer Ji
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