Abstract
Opioid-binding protein/cell adhesion molecule (OPCML) gene has been recently identified as a susceptibility gene for schizophrenia in Europeans. This study aims to investigate the association between single nucleotide polymorphisms (SNPs) in the OPCML gene and risk of schizophrenia in a Thai population. DNA samples of 115 schizophrenia patients and 173 normal controls were genotyped using high-resolution melting analysis and analyzed by chi-square test of SPSS software. We observed a strong association between an intronic SNP of the OPCML gene (rs1784519) and the risk of schizophrenia in the Thai population [P = 0.00036; odds ratio for the minor A allele, 2.11(1.57–2.84)]. The previously discovered SNP associated with schizophrenia in Europeans, rs3016384, also showed significant association with schizophrenia in the Thai population [P = 0.01; odds ratio of the minor T allele, 0.59 (0.44–0.79)]. Therefore, the OPCML gene is considered to be a schizophrenia-susceptible gene in the Thai population.
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Acknowledgments
This study was supported by the Royal Golden Jubilee Ph.D. Program of the Thailand Research Fund (PHD/0213/2551), Srinakharinwirot University (218/2552), a Grant-in-Aid from the Japanese Ministry of Health, Labor and Welfare, and by a Grant-in-Aid for Young Scientists (A) 21687021. This study was also subsidized by JKA through its promotion founds from KEIRIN RACE. The authors thank Dr. Alfredo Villarroel for editing the manuscript.
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Benjaporn Panichareon and Kazuhiro Nakayama contributed equally to this work.
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Panichareon, B., Nakayama, K., Thurakitwannakarn, W. et al. OPCML Gene as a Schizophrenia Susceptibility Locus in Thai Population. J Mol Neurosci 46, 373–377 (2012). https://doi.org/10.1007/s12031-011-9595-2
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DOI: https://doi.org/10.1007/s12031-011-9595-2