Genetic risk for white matter abnormalities in bipolar disorder

McIntosh, Andrew M., Hall, Jeremy ORCID: https://orcid.org/0000-0003-2737-9009, Lymer, G. Katherine S., Sussmann, Jessika E.D. and Lawrie, Stephen M. 2009. Genetic risk for white matter abnormalities in bipolar disorder. International Review of Psychiatry 21 (4) , pp. 387-393. 10.1080/09540260902962180

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Abstract

White matter deficits have been demonstrated in people with bipolar disorder, schizophrenia and their unaffected relatives. These deficits are supported by evidence from post-mortem studies, including microarray investigations which have repeatedly implicated abnormal myelin-associated gene expression. Furthermore, several risk-associated genes have now been identified that encode for proteins which have effects on white matter integrity. These genes include neuregulin-1 (NRG1) polymorphisms of which have been associated with risk to bipolar disorder. NRG1 has been shown to have effects on axonal migration, myelination and oligodendrocyte function. We and others have also shown that 5' risk-associated genetic variants in NRG1 are associated with reductions in both white matter density and integrity in regions associated with prefrontal connectivity. These findings are discussed in the context of the current literature, along with possible future research directions.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG) Medicine
Subjects:	R Medicine > R Medicine (General)
Publisher:	Taylor & Francis
ISSN:	0954-0261
Last Modified:	31 Oct 2022 09:32
URI:	https://orca.cardiff.ac.uk/id/eprint/81475

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