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Title

Altered expression of the lymphocyte activation antigen CD30 in active celiac disease

AuthorsPeriolo, N.; Bernardo, David; Garrote, José Antonio ; Arranz, Eduardo
KeywordsActive celiac disease
CD 30 antigen
Peripheral blood
Small intestine mucosa
Issue DateJun-2010
PublisherInforma Healthcare
CitationAutoimmunity 43(4): 288-298 (2010)
AbstractInterleukin (IL)-15 and CD30 may be associated with the ongoing intestinal immunologic activation in celiac disease (CD). We studied duodenal biopsies and blood samples of patients with active CD (Cel) and controls in order to determine the regulatory role proposed for CD30+ T cells in this Th1-driven disease and the potential influences of IL-15 on CD30 expression. We detected that a CD30+ T-cell subpopulation persists longer in Cel after a 5 day incubation with anti-CD3 antibody than in controls (p = 0.0063). CD30 upregulation by IL-15 in T blasts was greater in Cel than in controls (p = 0.0062). At the mucosal compartment, the CD30 antigen was examined by immunohistochemistry and quantified on isolated lamina propria (LP) and epithelial T cells by flow cytometry. For Cel and controls, similar mean percentages of CD3+CD30+ intraepithelial T cells (5.88 vs. 5.51, p = ns) and LP T cells (7.38 vs. 7.49, p = ns) were observed at baseline and after in vitro gliadin challenge of duodenal biopsy samples. Our study demonstrates the occurrence of potentially important alterations of the immune response at the peripheral compartment. Our findings also allow us to speculate that a negative effect of soluble mediators at the mucosal compartment might counteract the latent influence of IL-15 on CD30 expression precluding a more severe course of active CD.
Description11 páginas.-- et al.
Publisher version (URL)http://dx.doi.org/10.3109/08916930903405867
URIhttp://hdl.handle.net/10261/49277
DOI10.3109/08916930903405867
ISSN0891-6934
E-ISSN1607-842X
Appears in Collections:(IBGM) Artículos
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