TITLE

Immunoglobulin G genotypes and the risk of schizophrenia

AUTHOR(S)
Pandey, Janardan; Namboodiri, Aryan; Elston, Robert
PUB. DATE
October 2016
SOURCE
Human Genetics;Oct2016, Vol. 135 Issue 10, p1175
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Genes of the immune system are relevant to the etiology of schizophrenia. However, to our knowledge, no large-scale studies, using molecular methods, have been undertaken to investigate the role of highly polymorphic immunoglobulin GM (γ marker) genes in this disorder. In this investigation, we aimed to determine whether particular GM genotypes were associated with susceptibility to schizophrenia. Using a matched case-control study design, we analyzed DNA samples from 798 subjects-398 patients with schizophrenia and 400 controls-obtained from the U.S. National Institute of Mental Health Repository. GM alleles were determined by the TaqMan genotyping assay. The GM 3/3; 23−/23− genotype was highly significantly associated with susceptibility to schizophrenia ( p = 0.0002). Subjects with this genotype were over three times (OR 3.4; 95 % CI 1.7-6.7) as likely to develop schizophrenia as those without this genotype. Our results show that immunoglobulin GM genes are risk factors for the development of schizophrenia. Since GM alleles have been implicated in gluten sensitivity and in immunity to neurotropic viruses associated with cognitive impairment, the results presented here may help unify these two disparate areas of pathology affected in this disorder.
ACCESSION #
118029254

 

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