期刊
JOURNAL OF PSYCHIATRIC RESEARCH
卷 50, 期 -, 页码 79-83出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpsychires.2013.12.002
关键词
Schizophrenia; Major depressive disorder; Single nucleotide polymorphism; Gene expression; Microarray; ITIH3; ITIH4; GLT8D1
类别
资金
- Health and Labor Sciences Research Grants
- Strategic Research Program for Brain Sciences by Ministry of Education, Culture, Sports, Science and Technology of Japan
- Intramural Research Grant for Neurological and Psychiatric Disorders of NCNP
- Grants-in-Aid for Scientific Research [25860997, 25861041] Funding Source: KAKEN
A recent genome-wide analysis indicated that a polymorphism (rs2535629) of ITIH3 showed the strongest association signal with susceptibility to psychiatric disorders in Caucasian populations. The aim of the study was to replicate the association of rs2535629 with schizophrenia and major depressive disorder (MDD) in Japanese subjects. A total of 611 patients with schizophrenia, 868 with MOD, and 1193 healthy controls were successfully genotyped for rs2535629. A significant difference in allele distribution was found between patients with schizophrenia and controls (odds ratio [OR] = 1.21, 95% confidence interval [Cl]: 1.05-1.39, P = 0.0077). A similar trend was found for patients with MDD (OR = 1.11,95% CI: 0.98-1.26, P = 0.092). The allele distribution in the combined patient group (schizophrenia and MDD) was significantly different from that of the control group (OR = 1.15, 95% CI: 1.03-1.28, P = 0.011). Gene expression microarray analysis of whole blood samples in 39 MDD patients and 40 healthy controls showed that rs2535629 has a strong influence on the expression levels of ITIH4 and GLT8D1. The expression levels of GLT8D1 were significantly higher in patients with MDD than in controls (P = 0.021). To our knowledge, the present study showed for the first time the association of rs2535629 with psychiatric disorders in an Asian population. Our findings suggest that rs2535629 influences the susceptibility to psychiatric disorders by affecting the expression level of GLT8D1. (C) 2013 Elsevier Ltd. All rights reserved.
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