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Lack of association of SNPs from the FADS1-FADS2 gene cluster with major depression or suicidal behavior.


ABSTRACT: Fatty acid desaturase genes (FADS1-FADS2) encode desaturases participating in the biosynthesis of long-chain polyunsaturated fatty acids. As long-chain polyunsaturated fatty acids are implicated in major depressive disorder (MDD) and suicide risk, and as both are partly heritable, we studied the association of FADS1-FADS2 polymorphisms with MDD (635 cases, 480 controls) and suicide attempt status (291 attempters, 344 MDD nonattempters). Eighteen FADS-related single-nucleotide polymorphisms were genotyped from Caucasians enrolled in Madrid (n=791) or New York City (n=324) and entered as predictors into logistic regression analyses with diagnostic group or suicide attempt history as outcomes and location and sex as covariates. No associations were observed between any single-nucleotide polymorphisms and diagnosis or attempt status. As statistical power was adequate, we conclude that FADS1-FADS2 genetic variants may not be a common determinant of MDD.

SUBMITTER: Sublette ME 

PROVIDER: S-EPMC4764474 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Lack of association of SNPs from the FADS1-FADS2 gene cluster with major depression or suicidal behavior.

Sublette M Elizabeth ME   Vaquero Concepcion C   Baca-Garcia Enrique E   Pachano Gabriela G   Huang Yung-Yu YY   Oquendo Maria A MA   Mann J John JJ  

Psychiatric genetics 20160401 2


Fatty acid desaturase genes (FADS1-FADS2) encode desaturases participating in the biosynthesis of long-chain polyunsaturated fatty acids. As long-chain polyunsaturated fatty acids are implicated in major depressive disorder (MDD) and suicide risk, and as both are partly heritable, we studied the association of FADS1-FADS2 polymorphisms with MDD (635 cases, 480 controls) and suicide attempt status (291 attempters, 344 MDD nonattempters). Eighteen FADS-related single-nucleotide polymorphisms were  ...[more]

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