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EnglishCeliac disease (CD) is an autoimmune enteropathy characterized by gluten-triggered intestinal mucosa lesions in genetically susceptible individuals carrying the HLA DQ2 or DQ8. CD diagnosis is based on the concentration of IgA serum antitransglutaminase (anti-tTG) antibodies together with mucosal damage at intestinal biopsy.1 However, it is now known that in subjects with genetic gluten intolerance, gastrointestinal and extra-intestinal symptoms may be present even when both mucosal morphology and serum anti-tTGs are normal.2,3 In this context, the anti-tTG in the intestinal mucosal seem to be the specific CD immunological marker that is detectable before the development of intestinal atrophy and the appearance of serum anti-tTG.4 This prospective study investigates the presence of intestinal anti-tTG antibodies in patients with differing clinical spectrums of genetic gluten intolerance by using two immunoassays: double immunofluorescence test for anti-tTG on the intestinal mucosa and flow cytometry assay to measure acid-eluted intestinal anti-tTG.
| Titolo: | Intestinal-mucosa anti-transglutaminase antibody assays to test for genetic gluten intolerance |
| Autori: | |
| Data di pubblicazione: | 2014 |
| Rivista: | |
| Abstract: | Celiac disease (CD) is an autoimmune enteropathy characterized by gluten-triggered intestinal mucosa lesions in genetically susceptible individuals carrying the HLA DQ2 or DQ8. CD diagnosis is based on the concentration of IgA serum antitransglutaminase (anti-tTG) antibodies together with mucosal damage at intestinal biopsy.1 However, it is now known that in subjects with genetic gluten intolerance, gastrointestinal and extra-intestinal symptoms may be present even when both mucosal morphology and serum anti-tTGs are normal.2,3 In this context, the anti-tTG in the intestinal mucosal seem to be the specific CD immunological marker that is detectable before the development of intestinal atrophy and the appearance of serum anti-tTG.4 This prospective study investigates the presence of intestinal anti-tTG antibodies in patients with differing clinical spectrums of genetic gluten intolerance by using two immunoassays: double immunofluorescence test for anti-tTG on the intestinal mucosa and flow cytometry assay to measure acid-eluted intestinal anti-tTG. |
| Handle: | http://hdl.handle.net/11368/2791527 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1038/cmi.2014.32 |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |
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