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Title: Associations of the srebf2 gene and insig2 polymorphisms with obesity and dyslipidemia in thai psychotic disorder patients treated with risperidone
Authors: Natchaya Vanwong
Chonlaphat Sukasem
Weerapon Unaharassamee
Napa Jiratjintana
Chalitpon Na Nakorn
Yaowaluck Hongkaew
Apichaya Puangpetch
Ramathibodi Hospital
Chulalongkorn University
Bumrungrad International Hospital
Faculty of Medicine Ramathibodi Hospital, Mahidol University
Prince of Songkla University
Somdet Chaopraya Institute of Psychiatry
Keywords: Medicine
Issue Date: 1-Oct-2021
Citation: Journal of Personalized Medicine. Vol.11, No.10 (2021)
Abstract: Background: Patients with psychotic disorders who receive atypical antipsychotic drugs often develop metabolic abnormalities. The sterol regulatory element-binding factor 2 (SREBF2) gene and insulin-induced gene (INSIG) have important roles in lipid metabolism. A previous study indicated that risperidone stimulated both lipogenesis and cholesterogenesis through activation of SREBP2 expression and inhibition of INSIG2. The SREBF2 gene and INSIG2 polymorphisms have been reported to be associated with metabolic abnormalities. Objective: To investigate the association of the SREBF2 gene (rs1052717, rs2267439, and rs2267443) and INSIG2 (rs7566605, rs11123469, and rs17587100) polymorphisms and the presence of obesity and dyslipidemia in Thai psychotic disorder patients treated with risperidone. Methods: All 113 psychiatric patients using risperidone were evaluated for their lipid profile and screened for obesity criteria. We genotyped the SREBF2 gene and INSIG2 polymorphisms using TaqMan real-time polymerase chain reaction. Results: None of the studied SREBF2 gene and INSIG2 SNPs were associated with obesity in Thai psychotic disorder patients receiving risperidone. Nonetheless, the SREBF2 rs2267443 (G/A) A-allele carriers were at a higher risk for hypertriglyceridemia, whereas the INSIG2 rs11123469 (T/C) C-allele carriers had a lower risk for hypertriglyceridemia, after being adjusted for clinical characteristics using multiple logistic regression. Conclusions: Our findings suggest that the SREBF2 gene rs2267443 (G/A) and the INSIG2 rs11123469 (T/C) polymorphisms are associated with dyslipidemia in Thai psychotic disorder patients treated with risperidone. Further studies with prospective designs and larger patient groups are needed.
ISSN: 20754426
Appears in Collections:Scopus 2021

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