Polymorphisms in the MAOA, MAOB, and COMT genes and aggressive behavior in schizophrenia

Zammit, Stanley ORCID: https://orcid.org/0000-0002-2647-9211, Jones, Gaynor, Jones, Susan J., Norton, Nadine, Sanders, Robert D., Milham, Charis, McCarthy, Geraldine M., Jones, Lisa A., Cardno, Alastair G., Gray, Marion, Murphy, Kieran C., O'Donovan, Michael Conlon ORCID: https://orcid.org/0000-0001-7073-2379 and Owen, Michael John ORCID: https://orcid.org/0000-0003-4798-0862 2004. Polymorphisms in the MAOA, MAOB, and COMT genes and aggressive behavior in schizophrenia. American Journal of Medical Genetics 128B (1) , pp. 19-20. 10.1002/ajmg.b.30021

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Abstract

Some studies have reported associations between COMT and MAO genotypes and aggression, though results have been inconsistent. We examined the relationship between Overt aggression scale (OAS) scores, and both MAOA and MAOB polymorphisms in a well-powered sample of 346 subjects with schizophrenia. We also examined COMT in a Stage II replication sample of 150 individuals, and combined these results with our previously reported (Stage I) findings for COMT. We found no evidence of any associations between OAS ratings and any of the polymorphisms investigated under different genetic models. There was no evidence of epistatic interaction between MAOA and COMT on OAS scores. These results fail to support the theory that functional polymorphisms within the MAOA, MAOB, or COMT genes, as determinants of catecholamine enzymatic activity, are risk factors for aggressive behavior.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG) Neuroscience and Mental Health Research Institute (NMHRI)
Subjects:	R Medicine > R Medicine (General)
Publisher:	Wiley
ISSN:	0148-7299
Last Modified:	17 Nov 2022 13:31
URI:	https://orca.cardiff.ac.uk/id/eprint/83542

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