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Polymorphisms in the galanin gene are associated with symptom-severity in female patients suffering from panic disorder

Unschuld, P. G. and Ising, M. and Erhardt, A. and Lucae, S. and Kohli, M. and Kloiber, S. and Salyakina, D. and Thoeringer, C. K. and Kern, N. and Lieb, R. and Uhr, M. and Binder, E. and Müller-Myhsok, B. and Holsboer, F. and Keck, M. E.. (2008) Polymorphisms in the galanin gene are associated with symptom-severity in female patients suffering from panic disorder. Journal of affective disorders, Vol. 105, H. 1-3. pp. 177-184.

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Official URL: http://edoc.unibas.ch/dok/A5253175

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Abstract

Background: Galanin (GAL) is a neuropeptide, which is expressed primarily in limbic nuclei in the brain and mediates miscellaneous physiological processes and behaviors. in animal studies, both the application of GAL and antagonism of its receptors have been shown to affect anxiety-like and depression-related behavior. In humans, intravenous administration of the neuropeptide galanin has been reported to have fast antidepressant efficacy. Furthermore, GAL is involved in hypothalamic-hypophysiotropic signalling and cosecreted with luteinizing hormone-releasing hormone (LHRH), possibly acting as a mediator of estrogen action. Methods: In this study six single nucleotide polymorphisms (SNPs) within the gene coding for GAL were analyzed for possible associations with diagnosis and severity of symptoms in 121 male and female patients suffering from panic disorder (PD). Results: Our results suggest an association between genetic variations in the GAL-gene and severity of PD-symptoms in female patients. The most pronounced effects could be observed for two haplotypes containing the closely linked, non-protein-coding SNPs rs948854 and rs4432027. Both polymorphisms are located within CpG-dinucleotides in the promoter region of GAL and thus might be involved in epigenetic regulation of the GAL-gene. Limitations: A relatively small patient sample was analyzed in this study, the herein presented results need to be validated in independent studies. Conclusions: The results of this study underline the potential of further genetic research concerning GAL and a possible role of this neuropeptide in the pathogenesis of female PD. In this regard, GAL and its receptors appear to be a promising target for pharmacological therapy of anxiety and affective disorders.
Faculties and Departments:07 Faculty of Psychology > Departement Psychologie > Forschungsbereich Klinische Psychologie und Neurowissenschaften > Klinische Psychologie und Epidemiologie (Lieb)
UniBasel Contributors:Lieb, Roselind
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier
ISSN:0165-0327
Note:Publication type according to Uni Basel Research Database: Journal article
Last Modified:22 Mar 2012 14:24
Deposited On:22 Mar 2012 13:42

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