The impact of glycogen synthase kinase 3 beta gene on psychotic mania in bipolar disorder patients
- Authors
- Lee, Youn-Jung; Kim, Yong-Ku
- Issue Date
- 1-7월-2011
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- -1727A/T; -50C/T; Bipolar disorder; Glycogen synthase kinase 3 beta (GSK3 beta) gene polymorphism
- Citation
- PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY, v.35, no.5, pp.1303 - 1308
- Indexed
- SCIE
SCOPUS
- Journal Title
- PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY
- Volume
- 35
- Number
- 5
- Start Page
- 1303
- End Page
- 1308
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/112032
- DOI
- 10.1016/j.pnpbp.2011.04.006
- ISSN
- 0278-5846
- Abstract
- Objective: The aim of this study was to examine the relationships between glycogen synthase 3 beta gene polymorphisms and bipolar I disorder, manic in a Korean sample. Methods: Patients with bipolar disorder (n = 118) and a control group (n = 158) were assessed by genotyping for GSK3 beta single nucleotide polymorphisms (SNPs) -1727A/T and -50C/T. The patients were divided into two groups according to the presence of psychotic symptoms (psychotic mania, n = 92; non-psychotic mania, n = 26) and also divided based on gender and age of onset. The severity of symptoms was measured using the Young Mania Rating Scale (YMRS) and the Brief Psychiatric Rating Scale (BPRS). Results: There were no significant differences in the genotype distributions or allelic frequencies of GSK3 beta polymorphisms and gender between patients with bipolar disorder and a normal control group. According to haplotype analysis, there was no association between these two groups. However, analysis of the age of onset of bipolar disorder revealed significant differences in genotype and allele distributions among the patients. Patients who were homozygous for the wild-type variant (TT) had an older age of onset than carriers of the mutant allele (A/A: 27.4 +/- 9.1; A/T: 30.1 +/- 11.8; T/T: 42.3 +/- 19.9; p = 0.034). We detected differences in allele frequencies of the GSK3 beta -1727A/T polymorphism between the psychotic mania group and the non-psychotic mania group. Conclusion: This study suggests that GSK3 beta polymorphisms are not associated with bipolar disorder. However, the GSK3 beta SNP -1727A/T is associated with age of onset and presence of psychotic symptoms in bipolar disorder. (C) 2011 Elsevier Inc. All rights reserved.
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