Document Detail

IgA-class autoantibodies against neuronal transglutaminase, TG6 in celiac disease: No evidence for gluten dependency.
MedLine Citation:
PMID:  21453693     Owner:  NLM     Status:  Publisher    
BACKGROUND: It has been suggested that antibodies against transglutaminase (TG) 6 could serve as a biomarker to identify a subgroup of gluten-sensitive patients who may be at risk of developing neurological disease. We here investigated whether TG6-targeted autoantibodies are a characteristic feature of celiac patients, especially those with neurological symptoms, and further, whether such antibodies are gluten-dependent. METHODS: Serum IgA-class TG6 autoantibodies were measured in untreated and treated celiac patients with and without neurological manifestions and in non-celiac controls. The results were compared to TG2 autoantibody levels. RESULTS: During a gluten-containing diet the number of TG6 autoantibody-positive celiac patients with neurological problems (25%) did not significantly differ from that of TG6-seropositive patients without neurological impairment (16%) or from non-celiac controls (15%). This was in contrast to our finding in TG2 autoantibody-positive individuals, whose numbers differed significantly between all three study groups. On a gluten-free diet the levels of TG6 autoantibodies remained unchanged. CONCLUSIONS: We conclude that the serum IgA-class TG6 autoantibody assay is not able to distinguish gluten-sensitive patients with neurological manifestations from celiac patients without neurological problems or from control subjects, and further, that TG6 autoantibodies are not gluten-dependent.
Katri Lindfors; Outi Koskinen; Kaija Laurila; Pekka Collin; Päivi Saavalainen; Katri Haimila; Jukka Partanen; Markku Mäki; Katri Kaukinen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-28
Journal Detail:
Title:  Clinica chimica acta; international journal of clinical chemistry     Volume:  -     ISSN:  1873-3492     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-4-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  1302422     Medline TA:  Clin Chim Acta     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2010. Published by Elsevier B.V.
Pediatric Research Center, University of Tampere and Tampere University Hospital, Tampere, Finland.
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