Copy Number Variation in Subjects with Major Depressive Disorder Who Attempted Suicide

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Abstract

Background: Suicide is one of the top ten leading causes of death in North America and represents a major public health burden, partcularly for people with Major Depressive disorder (MD). Many studies have suggested that suicidal behavior runs in families, however, identification of genomic loci that drive this efffect remain to be identified. Methodology/Principal Findings: Using subjects collected as part of STAR*D, we genotyped 189 subjects with MD with history of a suicide attempt and 1073 subjects with Major Depressive disorder that had never attempted suicide. Copy Number Variants (CNVs) were called in Birdsuite and analyzed in PLINK. We found a set of CNVs present in the suicide attempter group that were not present in in the non-attempter group including in SNTG2 and MACROD2 - two brain expressed genes previously linked to psychopathology; however, these results failed to reach genome-wide signifigance. Conclusions: These data suggest potential CNVs to be investigated further in relation to suicide attempts in MD using large sample sizes. © 2012 Perlis et al.

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Perlis, R. H., Ruderfer, D., Hamilton, S. P., & Ernst, C. (2012). Copy Number Variation in Subjects with Major Depressive Disorder Who Attempted Suicide. PLoS ONE, 7(9). https://doi.org/10.1371/journal.pone.0046315

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