| Prevalence of Type 1 diabetes autoantibodies (GAD and IA2) in Sardinian children and adolescents with autoimmune thyroiditis. | |
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MedLine Citation:
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PMID: 21749442 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Diabet. Med. 28, 896-899 (2011) ABSTRACT: Aims Type 1 diabetes and autoimmune thyroiditis are common autoimmune diseases characterized by the presence of autoantibodies against tissue-specific components. Non-thyroid-specific autoantibodies are frequent in patients with autoimmune thyroiditis. The prevalence of Type 1 diabetes autoantibodies in patients with autoimmune thyroiditis is unknown. Methods The prevalence of Type 1 diabetes autoantibodies (GAD and IA2) was analysed in 236 Sardinian children and adolescents with autoimmune thyroiditis. GAD and IA2 antibodies were measured at the time of the diagnosis of autoimmune thyroiditis and re-evaluated after 1 year in the children who were shown to be positive. Autoantibody prevalence was evaluated in 949 healthy age-matched controls. Results The prevalence of GAD and/or IA2 antibodies was 8% in the children and adolescents with autoimmune thyroiditis and 4.1% in control subjects (P = 0.017). When Type 1 diabetes autoantibodies were separately analysed, the difference remained significant for IA2 (3.39% in autoimmune thyroiditis vs. 1.16% in control subjects, P = 0.012), but not for GAD (5.1% in autoimmune thyroiditis vs. 3.79% in control subjects, P = 0.367). Seven of 10 children with autoimmune thyroiditis and detectable Type 1 diabetes autoantibodies at the diagnosis remained positive after 1 year. In the course of 2 years of follow-up, two patients who were positive for Type 1 diabetes autoantibodies at the time of diagnosis of autoimmune thyroiditis developed diabetes. Conclusions This is the first study reporting the prevalence of Type 1 diabetes autoantibodies in a selected cohort of genetically homogeneous children and adolescents with autoimmune thyroiditis. The main finding was that the prevalence of Type 1 diabetes autoantibodies and of newly diagnosed Type 1 diabetes in patients with autoimmune thyroiditis was significantly higher than that observed in the general paediatric population, suggesting that children with autoimmune thyroiditis are at increased risk of developing Type 1 diabetes. |
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Authors:
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S Pilia; M R Casini; V M Cambuli; A Ibba; P Civolani; P Zavattari; M Incani; P Mossa; M G Baroni; S Mariotti; S Loche |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Diabetic medicine : a journal of the British Diabetic Association Volume: 28 ISSN: 1464-5491 ISO Abbreviation: Diabet. Med. Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-07-13 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8500858 Medline TA: Diabet Med Country: England |
Other Details:
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Languages: eng Pagination: 896-9 Citation Subset: IM |
Copyright Information:
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© 2011 The Authors. Diabetic Medicine © 2011 Diabetes UK. |
Affiliation:
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Paediatric Endocrine Unit, Microcitemico Hospital Department of Medical Sciences, Endocrinology and Diabetes, University of Cagliari, Cagliari, Italy. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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