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Journal Article

Citation

Roy A, Sarchiopone M, Carli V. J. Psychiatr. Pract. 2009; 15(4): 282-288.

Affiliation

Psychiatry Service, New Jersey VA Healthcare System, East Orange, NJ 07018-1095, USA. Alec.Roy@va.gov

Copyright

(Copyright © 2009, Lippincott Williams and Wilkins)

DOI

10.1097/01.pra.0000358314.88931.b5

PMID

19625883

Abstract

Studies have increasingly shown that gene-environment interactions are important in psychiatry. Suicidal behavior is a major public health problem. Suicide is generally considered to be a multi-determined act involving various areas of proximal and distal risk. Genetic risk factors are estimated to account for approximately 30% to 40% of the variance in suicidal behavior. In this article, the authors review relevant studies concerning the interaction between the serotonin transporter gene and environmental variables as a model of gene-environment interactions that may have an impact on suicidal behavior. The findings reviewed here suggest that there may be meaningful interactions between distal and proximal suicide risk factors that may amplify the risk of suicidal behavior. Future studies of suicidal behavior should examine both genetic and environmental variables and examine for gene-environment interactions.


Language: en

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