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. 2017 Sep;14(5):687-692.
doi: 10.4306/pi.2017.14.5.687. Epub 2017 Sep 11.

Genome-Wide Supported Risk Variants in MIR137, CACNA1C, CSMD1, DRD2, and GRM3 Contribute to Schizophrenia Susceptibility in Pakistani Population

Ambrin Fatima  1 , Muhammad Farooq  2 , Uzma Abdullah  1 , Muhammad Tariq  1 , Tanveer Mustafa  1 , Muhammad Iqbal  3 , Niels Tommerup  2 , Shahid Mahmood Baig  1
Affiliations

Genome-Wide Supported Risk Variants in MIR137, CACNA1C, CSMD1, DRD2, and GRM3 Contribute to Schizophrenia Susceptibility in Pakistani Population

Ambrin Fatima et al. Psychiatry Investig. 2017 Sep.

Abstract

Objective: Schizophrenia is a chronic neuropsychiatric disease afflicting around 1.1% of the population worldwide. Recently, MIR137, CACNA1C, CSMD1, DRD2, and GRM3 have been reported as the most robustly emerging candidates involved in the etiology of schizophrenia. In this case control study, we performed an association analysis of rs1625579 (MIR137), rs1006737, rs4765905 (CACNA1C), rs10503253 (CSMD1), rs1076560 (DRD2), rs12704290, rs6465084, and rs148754219 (GRM3) in Pakistani population.

Methods: Schizophrenia was diagnosed on the basis of the Diagnostic and Statistical Manual of Mental Disorders 4th ed (DSM-IV). Detailed clinical information, family history of all patients and healthy controls were collected. RFLP based case control association study was performed in a Pakistani cohort of 508 schizophrenia patients and 300 healthy control subjects. Alleles and genotype frequencies were calculated using SPSS.

Results: A significant difference in the genotype and allele frequencies for rs4765905, rs1076560 and rs6465084 were found between the patients and controls (p=0.000).

Conclusion: This study provides substantial evidence supporting the role of CACNA1C, GRM3 and DRD2 as schizophrenia susceptibility genes in Pakistani population.

Keywords: CACNA1C; CSMD1; DRD2; GRM3; MIR137; Pakistan; Schizophrenia.

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