期刊
AMERICAN JOURNAL OF MEDICAL GENETICS PART B-NEUROPSYCHIATRIC GENETICS
卷 150B, 期 6, 页码 836-844出版社
WILEY
DOI: 10.1002/ajmg.b.30906
关键词
dysbindin; affective disorder; association; psychosis; haplotype
资金
- INTAS Postdoctoral Fellowship [Nr 04-83-3802]
- Russian Science Support Foundation
- Medical Research Council (MRC) UK PhD
- ErwinSchrodinger Fellowship
- Austrian Science Funds [J2647]
- Economic and Social Research Council (ESRC) UK PhD
- GlaxoSmithKline, Research and Development
- Austrian Science Fund (FWF) [J2647] Funding Source: Austrian Science Fund (FWF)
Recent studies suggest a degree of overlap in genetic susceptibility across the traditional categories of schizophrenia and bipolar disorder. There is some evidence for an association of the dystrobrevin binding protein I gene (DTNBP1) with schizophrenia, and, thus, this gene has also become a focus of further investigation in bipolar disorder (BD). The aim of our study is to explore the association of DTNBP1 with BD and with a sub phenotype, presence/absence of psychotic symptoms, in a sample of 515 patients with BD) (ICD10/DSMIV) and 1,316 ethnically matched control subjects recruited from the UK. Seven DTNBP1 SNPs: rs2743852 (SNP C), rs760761 (PI 320), rs1011313 (P1325), rs3213207 (P1635), rs2619539 (P1655), rs16876571 and rs17470454 were investigated using the SNPlex genotyping system and I SNP (rs2619522) genotypes were imputed. Association analyses were conducted in a sample of 452 cases and 956 controls. We found significant differences in genotypic and allelic frequencies of rs3213207 and rs760761 of DTNBP1 between bipolar patients and controls. We also showed a global haplotypic association and an association of a particular haplotype with BD. Our results are consistent with previous studies in term of a general association between DTNBP1 and bipolar disorder and provide additional evidence that a portion of the genotypic overlap between schizophrenia and bipolar affective disorder is attributable to this gene. (C) 2008 Wiley-Liss, Inc.
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