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High titres of IgA antibodies to enterovirus in fulminant type-1 diabetes.
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2005 (English)In: Diabetologia, ISSN 0012-186X, E-ISSN 1432-0428, Vol. 48, no 2, p. 290-3Article in journal (Refereed) Published
Abstract [en]

AIMS/HYPOTHESIS: We have recently proposed that fulminant type-1 diabetes is a novel subtype of type-1 diabetes with abrupt onset of insulin-deficient hyperglycaemia without islet-related autoantibodies. The pathogenesis is still unknown, but flu-like symptoms are frequently observed before the onset of disease of this subtype. Enterovirus infection is a candidate environmental factor causing type-1 diabetes. The aim of this study was to determine whether enterovirus infection contributes to the development of fulminant type-1 diabetes. METHODS: We investigated 19 patients with recent-onset fulminant type-1 diabetes, 18 patients with recent-onset typical type-1A diabetes, and 19 healthy controls. IgM, IgG, and IgA subclasses of antibodies to enterovirus were determined by ELISA. RESULTS: IgA antibody titres to enterovirus were significantly higher in fulminant type-1 diabetes than in typical type-1A diabetes (p=0.033) and controls (p=0.0003). IgM antibodies to enterovirus were not detected in any subject. IgG titres were lower in autoimmune diabetes than fulminant type and controls (p=0.014 and 0.019, respectively). CONCLUSIONS/INTERPRETATION: High titres of enterovirus IgA antibodies in serum suggest recurrent enterovirus infection in fulminant type-1 diabetic patients, indicating higher susceptibility to enteroviral infections among them. Such infections might have pathogenetic importance in the triggering of fulminant type-1 diabetes.

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2005. Vol. 48, no 2, p. 290-3
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URN: urn:nbn:se:umu:diva-20717DOI: 10.1007/s00125-004-1624-zPubMedID: 15654603OAI: oai:DiVA.org:umu-20717DiVA, id: diva2:209391
Available from: 2009-03-24 Created: 2009-03-24 Last updated: 2017-12-13

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