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Elevated gliadin antibody levels in individuals with schizophrenia.
MedLine Citation:
PMID:  23282016     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objectives. We aimed to replicate, in a larger sample and in a different geographical location, the previously reported elevation of anti-gliadin IgG antibodies in schizophrenia. Methods. A total of 950 adults with schizophrenia (severity assessed by PANSS) and 1000 healthy controls were recruited in the Munich metropolitan area. Anti-gliadin IgG antibodies were analyzed with ELISA. χ(2)-tests and logistic regression were used to analyze the association of schizophrenia with elevated anti-gliadin IgG. A multivariable general linear model was used to compare anti-gliadin IgG levels between patients and controls. Results. The odds ratio of having elevated anti-gliadin IgG antibodies in the schizophrenia group was 2.13 (95% CI 1.57 to 2.91, p < 0.0001). Mean anti-gliadin IgG levels were higher in schizophrenia patients (0.81 ± 0.79 vs. 0.52 ± 0.56, t = 9.529, df = 1,697, p < 0.0001) and the difference persisted after adjusting for potential confounders. Conclusions. Our study, limited by its cross sectional design, confirmed an association between anti-gliadin IgG antibodies and schizophrenia. Replication in longitudinal studies, clinical trials of gluten free diet and mechanistic investigation could lead to novel treatment targets, preventive and therapeutic considerations in schizophrenia.
Authors:
Olaoluwa Okusaga; Robert H Yolken; Patricia Langenberg; Aamar Sleemi; Deanna L Kelly; Dipika Vaswani; Ina Giegling; Annette M Hartmann; Bettina Konte; Marion Friedl; Farooq Mohyuddin; Maureen W Groer; Dan Rujescu; Teodor T Postolache
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-3
Journal Detail:
Title:  The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry     Volume:  -     ISSN:  1814-1412     ISO Abbreviation:  World J. Biol. Psychiatry     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101120023     Medline TA:  World J Biol Psychiatry     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Mood and Anxiety Program, University of Maryland School of Medicine , Baltimore , MD USA.
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