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Träfflista för sökning "WFRF:(Savilahti E) srt2:(2000-2004)"

Sökning: WFRF:(Savilahti E) > (2000-2004)

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  • Westerholm-Ormio, M, et al. (författare)
  • Immunologic activity in the small intestinal mucosa of pediatric patients with type 1 diabetes
  • 2003
  • Ingår i: Diabetes. - : American Diabetes Association. - 0012-1797 .- 1939-327X. ; 52:9, s. 2287-2295
  • Tidskriftsartikel (refereegranskat)abstract
    • Involvement of gut immune system has been implicated in the pathogenesis of type 1 diabetes. However, few studies have been performed on the gut mucosa from patients with type 1 diabetes. Thus, we characterized the stage of immune activation in jejunal biopsy samples from 31 children with type 1 diabetes by immunohistochemistry, in situ hybridization, and RT-PCR. We found enhanced expressions of HLA-DR, HLA-DP, and intercellular adhesion molecule-1 by immunohistochemistry even on structurally normal intestine of patients with type 1 diabetes and no signs of celiac disease. In addition, the densities of IL-1a- and IL-4-positive cells detected by immunohistochemistry and IL-4 mRNA-expressing cells evaluated by in situ hybridization were increased in the lamina propria in patients with type 1 diabetes and normal mucosa. Instead, the densities of IL-2, ?-interferon (IFN-?), and tumor necrosis factor a-positive cells, the density of IFN-? mRNA positive cells, and the amounts of IFN-? mRNA detected by RT-PCR correlated with the degree of celiac disease in patients with type 1 diabetes. Our study supports the hypothesis that a link exists between the gut immune system and type 1 diabetes.
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