

Author: Gorgun Julia
Publisher: Springer Publishing Company
ISSN: 0945-6317
Source: Virchows Archiv, Vol.455, Iss.4, 2009-10, pp. : 363-373
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Abstract
Tissue transglutaminase (tTG) constitutes the main autoantigen in celiac disease (CD). The aim of the study was to clarify weather celiac disease is associated with changes in tTG expression in duodenal mucosa. Tissue transglutaminase was assessed immunohistochemically (clone CUB 7402) in duodenal biopsy specimens from 22 untreated CD patients, ten normal controls (NC) with unremarkable duodenal mucosa, and nine disease nonceliac controls (DC). In 15 CD patients duodenal biopsy specimens were repeatedly assessed after these patients had been prescribed gluten-free diet. Positive pixel count algorithm of ImageScope was used for quantitative evaluation of immunohistochemistry. Tissue transglutaminase expression in superficial epithelium differed significantly between the three groups (
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