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Association Analysis Between SNPs in the Promoter Region of RGS4 and Schizophrenia in the Northern Chinese Han Population
Authors Xu F, Yao J, Wu X, Xia X, Xing J, Xuan J, Liu Y, Wang B
Received 18 February 2020
Accepted for publication 30 March 2020
Published 16 April 2020 Volume 2020:16 Pages 985—992
DOI https://doi.org/10.2147/NDT.S250282
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Yuping Ning
Feng-ling Xu, Jun Yao, Xue Wu, Xi Xia, Jia-xin Xing, Jin-feng Xuan, Yong-ping Liu, Bao-jie Wang
School of Forensic Medicine, China Medical University, Shenyang 110122, People’s Republic of China
Correspondence: Bao-jie Wang
School of Forensic Medicine, China Medical University, No. 77 Puhe Road, Shenbei New District, Shenyang 110122, People’s Republic of China
Email wangbj77@163.com
Background: Abnormal RGS4 gene expression may cause neurotransmitter disorders, resulting in schizophrenia. The association between RGS4 and the risk of schizophrenia is controversial, and there has been little research on the SNPs in the promoter region of RGS4.
Purpose: The present study was performed to detect the association between SNPs in the promoter region of the RGS4 gene and the risk of schizophrenia.
Materials and Methods: In this study, the 1757-bp fragment (− 1119–+600, TSS+1) of RGS4 was amplified and sequenced in 198 schizophrenia patients and 264 healthy controls of the northern Chinese Han population. Allele, genotype and haplotype frequencies were analyzed by chi‐square test.
Results: Four SNPs were detected in the region. LD analysis determined that rs7515900 was linked to rs10917671 (D’ = 1, r2 = 1). Therefore, the data for rs10917671 were eliminated from further analysis. Genotype TT of rs12041948 (P = 0.009, OR = 1.829, and 95% CI = 0.038– 0.766) was significantly different between the two groups in the northern Chinese Han population. In males, genotype GG of rs6678136 (P = 0.009, OR = 2.292, and 95% CI = 1.256– 4.18) and CC of rs7515900 (P = 0.003, OR = 2.523, and 95% CI = 1.332– 4.778) were significantly different.
Conclusion: The results of this study suggested that genotype TT of rs12041948 in the pooled male and female samples and GG of rs6678136 and CC of rs7515900 in the male samples could be risk factors for schizophrenia. The present study is the first to detect an association between SNPs in the promoter region of the RGS4 gene and the risk of schizophrenia in the northern Chinese Han population. Functional studies are required to confirm these findings.
Keywords: RGS4, schizophrenia, promoter region, SNPs
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