Document Detail

Low Frequency of Pendrin Autoantibodies Detected Using a Radioligand Binding Assay in Patients With Autoimmune Thyroid Disease.
MedLine Citation:
PMID:  23322815     Owner:  NLM     Status:  Publisher    
Context:Pendrin is a transmembrane protein located at the apical end of the thyrocyte in which it mediates the efflux of iodide through the thyroid follicular cell. Recently pendrin was described as a significant antibody target in Japanese patients with Graves' disease (GD) or autoimmune hypothyroidism (AH) using an immunoblotting assay. However, a subsequent study failed to verify this in autoimmune thyroid disease (ATD) patients of Tunisian origin.Objective:The aim of the current study was to evaluate a UK population of patients with ATD for the presence of pendrin autoantibodies using a novel radioligand binding assay (RBA).Results:Sera from 71 GD and 66 AH patients and 28 healthy controls were evaluated for pendrin autoantibody reactivity in RBAs. The results indicated that 8.8% of patients with ATD (9.9% GD and 7.6% AH) were positive for pendrin autoantibodies. Overall, the frequency of pendrin autoantibodies did not differ significantly between the ATD patient cohorts and the healthy control group: P = .186 and P = .317 for GD and AH patients, respectively.Conclusion:Pendrin autoantibodies, detected using a novel RBA, are not widely prevalent in UK patients with ATD, nor do they differ in frequency between GD and AH. These autoantibodies are therefore unlikely to be a useful marker for disease diagnosis, although the role that pendrin may play as an autoantigen in the initiation or maintenance of thyroid autoimmunity remains to be established.
E Helen Kemp; Harpreet K Sandhu; Philip F Watson; Anthony P Weetman
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-15
Journal Detail:
Title:  The Journal of clinical endocrinology and metabolism     Volume:  -     ISSN:  1945-7197     ISO Abbreviation:  J. Clin. Endocrinol. Metab.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375362     Medline TA:  J Clin Endocrinol Metab     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Human Metabolism, The Medical School, University of Sheffield, Sheffield S10 2RX, United Kingdom.
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