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Antibodies in celiac disease:implications beyond diagnostics

Cellular & Molecular Immunology 2011年第2期8卷 103-109页

作者： Sergio Caja Markku Maki katri kaukinen katri Lindfors Pediatric Research Centre University of Tampere and Tampere University HospitalTampereFinland Medical School University of Tampere and Department of Gastroenterology and Alimentary Tract SurgeryTampere University HospitalTampereFinland

Celiac disease is a multisystemic dietary,gluten-induced autoimmune disorder characterized by the presence of transglutaminase(TG)2 serum *** autoantibodies targeting members of the TG family(TG2,TG3 and TG6)are found deposited in small-bowel mucosa and in extraintestinal tissues affected by the *** autoantibodies against other self-antigens also emerge in untreated celiac disease *** villous atrophy and crypt hyperplasia in small-bowel biopsy samples are still the gold standards in diagnostics,celiac disease-specific antibodies are widely used as diagnostic ***-induced small-bowel mucosal T-cell response is the cornerstone in the pathogenesis of the disorder,but humoral immunity may also play a central *** review article is focused on the autoantibodies that occur in the context of celiac *** article summarizes the diagnostic utility of different celiac-related antibodies and discusses their roles in the pathogenesis of the disease.

关键词： antibody celiacdisease diagnostics pathogenesis

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Endomysial antibodies predict celiac disease irrespective of the titers or clinical presentation

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World Journal of Gastroenterology 2012年第20期18卷 2511-2516页

作者： Kalle Kurppa Tiia Rsnen Pekka Collin Sari Iltanen Heini Huhtala Merja Ashorn Pivi Saavalainen katri Haimila Jukka Partanen Markku Mki katri kaukinen Pediatric Research Centre University of Tampere and Tampere University HospitalFin-33014Tampere Finland Department of Gastroenterology and Alimentary Tract Surgery Tampere University Hospital and School of MedicineUniversity of TampereFin-33014 TampereFinland Tampere School of Public Health University of TampereFin-33014TampereFinland Department of Medical Genetics and Research Program for Molecular Medicine University of Helsinki Fin-00014HelsinkiFinland Research and Development Finnish Red Cross Blood ServiceFin-00310HelsinkiFinland

AIM:To investigate the association between serum antibody levels and a subsequent celiac disease diag-nosis in a large series of children and adults. METHODS:Besides subjects with classical gastrointestinal presentation of celiac disease,the study cohort included a substantial number of individuals with extraintestinal symptoms and those found by screening in at-risk *** 405 patients underwent clinical,serological and histological *** collection of data,the antibody values were further graded as low[endomysial(EmA)1:5-200,transglutaminase 2 antibodies(TG2-ab)5.0-30.0 U/L]and high (EmA 1:≥500,TG2-ab≥30.0 U/L),and the serological results were compared with the small intestinal mucosal histology and clinical presentation. RESULTS:In total,79%of the subjects with low and 94%of those with high serum EmA titers showed small-bowel mucosal villous ***, 96%of the 47 EmA positive subjects who had normal mucosal villi and remained on follow-up either subsequently developed mucosal atrophy while on a glutencontaining diet,or responded positively to a glutenfree diet. CONCLUSION:Irrespective of the initial serum titers or clinical presentation,EmA positivity as such is a very strong predictor of a subsequent celiac disease diagnosis.

关键词： Celiac disease Diagnosis Endomysial antibodies Transglutaminase 2 antibodies Clinical presentations

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