No association between bipolar disorder and alleles at a functional polymorphism in the COMT gene. Biomed European Bipolar Collaborative Group

Craddock, Nicholas John ORCID: https://orcid.org/0000-0003-2171-0610 1997. No association between bipolar disorder and alleles at a functional polymorphism in the COMT gene. Biomed European Bipolar Collaborative Group. British Journal of Psychiatry 170 (6) , pp. 526-528. 10.1192/bjp.170.6.526

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Abstract

BACKGROUND There is compelling evidence for the existence of susceptibility genes for bipolar disorder. Association studies using functional DNA variations are an important approach for identifying these genes. The enzyme catechol-O-methyltransferase (COMT) plays a key role in the degradation of catecholamine neurotransmitters and is a candidate for involvement in bipolar disorder. Recently a common functional genetic polymorphism that underlies population variation in COMT activity has been elucidated and a simple assay developed. METHOD In a collaboration involving seven European centres, we have undertaken an association study of this functional polymorphism in 412 unrelated West European caucasian DSM-III-R bipolar patients and 368 ethnically matched controls. RESULTS We found no evidence of allelic or genotypic association. CONCLUSIONS We can conclude that variation at this functional polymorphism does not make an important contribution to bipolar disorder in the Western European population. Future studies using this powerful experimental approach can be expected to contribute to identification of bipolar susceptibility genes.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Medicine Research Institutes & Centres > MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Subjects:	R Medicine > R Medicine (General) R Medicine > RZ Other systems of medicine
Publisher:	Royal College of Psychiatrists
ISSN:	0007-1250
Last Modified:	27 Oct 2022 08:47
URI:	https://orca.cardiff.ac.uk/id/eprint/63379

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