title: Gliadin antibodies identify gluten-sensitive oral ulceration in the absence of villous atrophy.
abstract: This study demonstrates gluten-sensitive recurrent oral ulceration (ROU) in the absence of gastrointestinal abnormalities which is associated with a humoral response to wheat protein. Ten patients with severe ROU were investigated; all had normal small intestinal biopsies. Four patients had raised levels of antibodies to alpha gliadin, a wheat protein fraction; in three of these four, the ulceration remitted on treatment with a gluten-free diet (G.F.D.) and relapsed on gluten challenge. None of the remaining six patients had raised alpha gliadin antibody (AGA) levels and none responded to G.F.D. Thus raised AGA levels can be used to identify patients with ROU who are likely to respond to a GFD.
authors.affiliation: Department of Clinical Medicine, Trinity College, Dublin, Ireland.
authors.forename: C
authors.initials: C
authors.lastname: O'Farrelly
authors.forename: C
authors.initials: C
authors.lastname: O'Mahony
authors.forename: F
authors.initials: F
authors.lastname: Graeme-Cook
authors.forename: C
authors.initials: C
authors.lastname: Feighery
authors.forename: B E
authors.initials: BE
authors.lastname: McCartan
authors.forename: D G
authors.initials: DG
authors.lastname: Weir
mesh_terms: D000328:Adult; D000906:Antibodies / Q000032:analysis*; D002648:Child; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D005512:Food Hypersensitivity / Q000175:diagnosis* / Q000178:diet therapy / Q000276:immunology / Q000473:pathology; D005903:Gliadin / Q000276:immunology*; D005983:Glutens / Q000009:adverse effects*; D006801:Humans; D007421:Intestine, Small / Q000473:pathology; D007958:Leukocyte Count; D008214:Lymphocytes / Q000473:pathology; D008297:Male; D008875:Middle Aged; D012008:Recurrence; D013281:Stomatitis, Aphthous / Q000178:diet therapy / Q000209:etiology* / Q000276:immunology / Q000473:pathology
chemical_list: D000906:Antibodies; D005983:Glutens; D005903:Gliadin