Sympathetic nervous function and the effect of the catechol-O-methyltransferase Val158Met polymorphism in patients with panic disorder

Sympathetic nervous function abnormalities have long been suggested to be a possible etiology of panic disorder (PD). Catechol-O-methyltransferase (COMT) affects sympathetic activities, and the COMT Val158Met polymorphism has been suggested to be related to PD. The authors examined the relationship...

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Bibliographic Details
Published in:Journal of affective disorders 2010-06, Vol.123 (1-3), p.337-340
Main Authors: Kang, Eun-Ho, Song, Yoon-Jae, Kim, Kyung-Jeong, Shim, Hyun-Bo, Park, Joo-Eon, Yu, Bum-Hee
Format: Article
Language:English
Subjects:
Catecholamine-O-methyltransferase
Genetic polymorphism
Panic disorder
Sympathetic nervous function
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Summary:Sympathetic nervous function abnormalities have long been suggested to be a possible etiology of panic disorder (PD). Catechol-O-methyltransferase (COMT) affects sympathetic activities, and the COMT Val158Met polymorphism has been suggested to be related to PD. The authors examined the relationship between sympathetic nervous function and the COMT Val158Met polymorphism in PD patients. Fifty-eight patients [Val/Val (51.7%) and Met allele carriers (48.3%)] and 58 age-matched normal control subjects [Val/Val (56.9%) and Met allele carriers (43.1%)] were compared in terms of finger skin temperature, which is known to be a useful marker of sympathetic nervous function. A significant COMT Val158Met polymorphism×diagnosis interaction was found. Specifically, the met allele was found to be associated with a lower skin temperature in PD patients. These results suggest that the COMT Met allele is related to the higher sympathetic nervous function observed in PD.
ISSN:0165-0327
1573-2517
DOI:10.1016/j.jad.2009.10.008