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Single nucleotide polymorphism analysis of corticotropin-releasing factor-binding protein gene in recurrent major depressive disorder.
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2007 (English)In: Psychiatry Research, Vol. 153Article in journal (Refereed) Published
Abstract [en]

Corticotropin-releasingfactor-bindingprotein(CRF-BP) regulates the availability of freeCRFandisafunctional candidate gene for affective disorders. Previous research showed an association between polymorphisms in the CRF-BPgene and recurrent major depression(MDD) in a Swedish sample. The purpose of the current study was to re-evaluate the previous findings in an extended Swedish sample and in an independent Belgian sample of patients with recurrent MDD and in control samples. In total, 317 patients and 696 control individuals were included. Five single nucleotide polymorphisms (SNPs) and a deletion

polymorphismintheCRF-BP gene were genotyped and the haplotype block structure of the gene was assessed. Intheextended Swedish population, there was a trend towards an association between two SNPs and MDD. The subsequent gender analysis showed significant associations of three SNPs (CRF-BPs2T;CRF-BPs11TandCRF-BPs12C) and haplotype G_T_C_T_C with MDD in Swedish males. However, these findings did not withstand correction for multiple testing and there were nosignificant SNP or haplotype associations in the Belgian MDD sample. In conclusion, this study does not provide confirmatory evidence for a role of the CRF-BPgene in the vulnerability for MDD in general. The association between genetic CRF-BP variants and MDD may be sexually dimorphic, but this issue requires further investigation in a larger sample.

Place, publisher, year, edition, pages
2007. Vol. 153
Keyword [en]
Corticotropin-releasing factor-binding protein, corticotropin releasing factor, depression, gender, genetics, vulnerability
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URN: urn:nbn:se:su:diva-19984ISI: 000250178200003OAI: diva2:186509
Available from: 2007-11-21 Created: 2007-11-21 Last updated: 2011-01-11Bibliographically approved

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Nilsson, Lars-Göran
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Department of Psychology

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