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KMID : 0605620170240010032
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Journal of Korean Society of Biological Psychiatry
2017 Volume.24 No. 1 p.32 ~ p.38
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The Relationship between the Amisulpride-Induced Hyperprolactinemia and Taq1A Polymorphism of the Dopamine D2 Receptor Gene in Schizophrenia Patients
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Kim Jae-Jun
Seo Min-Jae
Choi Tae-Young
Lee Jong-Hun
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Abstract
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Objectives : This study was aimed to investigate the association between amisulpride-induced hyperprolactinemia and the Taq1A polymorphism in the D2 dopamine receptor gene (DRD2) in schizophrenic patients.
Methods : The plasma concentrations of prolactin were measured before and after treatment with amisulpride in one hundred and twenty-five schizophrenic patients. The effect of the Taq1A variants of the DRD2 on the risk of amisulpride-induced hyperprolactinemia was the main the outcome measure. The genotyping for Taq1A (rs1800497) polymorphism was performed using TaqMan single nucleotide polymorphism (SNP) genotyping assay.
Results : There was a significant difference between the prolactin level at baseline and the 6th week after treatment with amisulpride in all the subjects. However, there were no significant correlations between ΔProlactin (the difference between prolactin level at baseline and the 6th week after treatment) and the Taq1A genotypes.
Conclusions : This is the first study to investigate the-correlations between the Taq1A polymorphism and the amisulpride-induced hyperprolactinemia in Korean schizophrenic patients. The current results suggested the further large-scale researches on various SNPs in the DRD2 gene will establish clear goals and provide answers to the unanswered questions described in this study.
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KEYWORD
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Amisulpride, DRD2 gene, Polymorphisms, Hyperprolactinemia
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