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    Scott Adams

    In vitro Model of the Pathogenesis of Celiac Disease

    Scott Adams
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    Reviewed and edited by a celiac disease expert.   eNewsletter: Get our eNewsletter

    Oberhuber G, Schwarzenhofer M, Vogelsang H
    Dig Dis 1999 Nov- Dec;16(6):341-4



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    Department of Clinical Pathology, University of Vienna, Vienna, Austria. The in vitro challenge of duodenal mucosa with gliadin is a useful model to reproduce the immunological features of celiac disease (celiac disease) and allows the study of early pathogenetic events in this disease. With this model it was shown that antigens such as ICAM-1 and HLA-DR are upregulated as early as 1-2 h after gliadin challenge in patients with celiac disease. After 24 h the lamina propria contained CD4+ T cells expressing the IL-2 receptor alpha-chain, which is a sign of activation. Intraepithelial lymphocytes increased in number and showed proliferative activity. After in vitro stimulation with gliadin, endomysial antibodies were found in the supernatant of the cultured mucosa from patients with celiac disease following a gluten-free diet. This supported the notion that endomysial antibodies are at least in part produced locally. The model was also successfully used to identify toxic constituents of gliadin. Presently, organ culture is not commonly used for diagnostic purposes.

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