DESCRIPTION:

List of positional candidate genes after correcting for multiple testing and controlling the false discovery rate from genome wide association studies (GWAS) retrieved from the NHGRI-EBI Catalog of published genome-wide association studies (http://www.ebi.ac.uk/gwas/). The disease/trait examined in this study, as reported by the authors, was Emotional dysregulation. The EFO term emotional symptom measurement was annotated to this set after curation by NHGRI-EBI. Intergenic SNPS were mapped to both the upstream and downstream gene. P-value uploaded. This gene set was generated using gwas2gs v. 0.1.8 and the GWAS Catalog v. 1.0.1.

LABEL:

GWAS: emotional symptom measurement

SCORE TYPE:

P-Value

DATE ADDED:

2017-05-02

DATE UPDATED:

2024-04-25

SPECIES:

AUTHORS:

A Powers, L Almli, A Smith, A Lori, J Leveille, KJ Ressler, T Jovanovic, B Bradley

TITLE:

A genome-wide association study of emotion dysregulation: Evidence for interleukin 2 receptor alpha.

JOURNAL:

Journal of psychiatric research Dec 2016, Vol 83, pp. 195-202

ABSTRACT:

Emotion dysregulation has been implicated as a risk factor for many psychiatric conditions. Therefore, examining genetic risk associated with emotion dysregulation could help inform cross-disorder risk more generally. A genome-wide association study (GWAS) of emotion dysregulation using single nucleotide polymorphism (SNP) array technology was conducted in a highly traumatized, minority, urban sample (N = 2600, males = 774). Post-hoc analyses examined associations between SNPs identified in the GWAS and current depression, posttraumatic stress disorder (PTSD), and history of suicide attempt. Methylation quantitative trait loci were identified and gene set enrichment analyses were used to broadly determine biological processes involved with these SNPs. Among males, SNP rs6602398, located within the interleukin receptor 2A gene, IL2RA, was significantly associated with emotion dysregulation (p = 1.1 × 10(-8)). Logistic regression analyses revealed this SNP was significantly associated with depression (Exp(B) = 2.67, p < 0.001) and PTSD (Exp(B) = 2.07, p < 0.01). This SNP was associated with differential DNA methylation (p < 0.05) suggesting it may be functionally active. Finally, through gene set enrichment analyses, ten psychiatric disease pathways (adjusted p < 0.01) and the calcium signaling pathway (adjusted p = 0.008) were significantly associated with emotion dysregulation. We found initial evidence for an association between emotion dysregulation and genetic risk loci that have already been implicated in medical disorders that have high comorbidity with psychiatric disorders. Our results provide further evidence that emotion dysregulation can be understood as a potential psychiatric cross-disorder risk factor, and that sex differences across these phenotypes may be critical. Continued research into genetic and biological risk associated with emotion dysregulation is needed. PUBMED: 27643478
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