Volume 24, Issue 1 (5-2010)                   Med J Islam Repub Iran 2010 | Back to browse issues page

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Galehdari H, Ajam T, Pooryasin A, Foroughmand A M, Kazeminejad S R. Combined effect of polymorphic sites in the DTNBP1 and GRIN1 genes on schizophrenia. Med J Islam Repub Iran. 2010; 24 (1) :5-10
URL: http://mjiri.iums.ac.ir/article-1-121-en.html
Dept of Genetics, College of Sciences, Shahid Chamran University, Ahvaz, Iran, , galehdari187@yahoo.com.
Abstract:   (6152 Views)



  Background: Schizophrenia is a severe mental disorder and numerous genes and loci

  are beleived to be involved in this disease. Recent studies have reported a strong genetic association between DTNBP1 (dystrobrevin-binding protein 1) gene variants and schizophrenia.

  Methods: In this research, we used a case-control study to establish the possible association between the P1635 (rs3213207) polymorphism in the DTNBP1 gene and schizophrenia in an Iranian cohort of 200 unrelated patients and 200 controls. The allele and genotype frequencies of the polymorphism in the two groups were determined using

  PCR-RFLP and the data analyzed using logistic regression and Mantel-Haenszel chisquare tests.

  Results: The additive effect of the P1635 polymorphism in DTNBP1 and the previously

  reported G1001C polymorphism in the GRIN1 gene were investigated. Analysis of data

  revealed a strong association between the P1635 polymorphism and schizophrenia

  (AG genotype: OR=0.39, 95% CI= 0.24-0.62, P<0.001).

  Conclusion: Our results indicated that the coexistence of the Aand C alleles from the

  two polymorphisms, P1635 and G1001C, increase the risk for schizophrenia.


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Type of Study: Original Research | Subject: Medical Genetics

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