Journal article
A polymorphism in the dysbindin gene (DTNBP1) associated with multiple psychiatric disorders including schizophrenia
Behavioral and Brain Functions, Vol.6(1), pp.1-7
2010
PMCID: PMC2911395
PMID: 20615259
Abstract
Background:
A number of studies have found associations between dysbindin (DTNBP1) polymorphisms and schizophrenia. Recently we identified a DTNBP1 SNP (rs9370822) that is strongly associated with schizophrenia. Individuals diagnosed with schizophrenia were nearly three times as likely to carry the CC genotype compared to the AA genotype.
Methods:
To investigate the importance of this SNP in the function of DTNBP1, a number of psychiatric conditions including addictive behaviours and anxiety disorders were analysed for association with rs9370822.
Results:
The DTNBP1 polymorphism was significantly associated with post-traumatic stress disorder (PTSD) as well as nicotine and opiate dependence but not alcohol dependence. Individuals suffering PTSD were more than three times as likely to carry the CC genotype compared to the AA genotype. Individuals with nicotine or opiate dependence were more than twice as likely to carry the CC genotype compared to the AA genotype.
Conclusions:
This study provides further support for the importance of DTNBP1 in psychiatric conditions and suggests that there is a common underlying molecular defect involving DTNBP1 that contributes to the development of several anxiety and addictive disorders that are generally recognised as separate clinical conditions. These disorders may actually be different expressions of a single metabolic pathway perturbation. As our participant numbers are limited our observations should be viewed with caution until they are independently replicated.
Details
- Title
- A polymorphism in the dysbindin gene (DTNBP1) associated with multiple psychiatric disorders including schizophrenia
- Authors
- Joanne Voisey (Author) - Queensland University of TechnologyChristopher D Swagell (Author) - Queensland University of TechnologyIan P Hughes (Author) - Queensland University of TechnologyJason P Connor (Author) - The University of QueenslandBruce R Lawford (Author) - Queensland University of TechnologyRoss Young (Author) - Queensland University of TechnologyC Phillip Morris (Author) - Queensland University of Technology
- Publication details
- Behavioral and Brain Functions, Vol.6(1), pp.1-7
- Publisher
- BioMed Central Ltd.
- Date published
- 2010
- DOI
- 10.1186/1744-9081-6-41
- ISSN
- 1744-9081
- PMID
- 20615259; PMC2911395
- Copyright note
- © 2010 Voisey et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
- Organisation Unit
- University of the Sunshine Coast, Queensland; Office of the Deputy Vice-Chancellor (Research and Innovation)
- Language
- English
- Record Identifier
- 99550990302621
- Output Type
- Journal article
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