A genome-wide association study of antidepressant response in Koreans

W. Myung, J. Kim, S. W. Lim, S. Shim, H. H. Won, Seonwoo Kim, Sangha Kim, Min-Soo Lee, H. S. Chang, J. W. Kim, B. J. Carroll, D. K. Kim

Research output: Contribution to journalArticle

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Abstract

We conducted a three-stage genome-wide association study (GWAS) of response to antidepressant drugs in an ethnically homogeneous sample of Korean patients in untreated episodes of nonpsychotic unipolar depression, mostly of mature onset. Strict quality control was maintained in case selection, diagnosis, verification of adherence and outcome assessments. Analyzed cases completed 6 weeks of treatment with adequate plasma drug concentrations. The overall successful completion rate was 85.5%. Four candidate single-nucleotide polymorphisms (SNPs) on three chromosomes were identified by genome-wide search in the discovery sample of 481 patients who received one of four allowed selective serotonin reuptake inhibitor (SSRI) antidepressant drugs (Stage 1). In a focused replication study of 230 SSRI-treated patients, two of these four SNP candidates were confirmed (Stage 2). Analysis of the Stage 1 and Stage 2 samples combined (n = 711) revealed GWAS significance (P = 1.60 × 10(-8)) for these two SNP candidates, which were in perfect linkage disequilibrium. These two significant SNPs were confirmed also in a focused cross-replication study of 159 patients treated with the non-SSRI antidepressant drug mirtazapine (Stage 3). Analysis of the Stage 1, Stage 2 and Stage 3 samples combined (n = 870) also revealed GWAS significance for these two SNPs, which was sustained after controlling for gender, age, number of previous episodes, age at onset and baseline severity (P = 3.57 × 10(-8)). For each SNP, the response rate decreased (odds ratio=0.31, 95% confidence interval: 0.20-0.47) as a function of the number of minor alleles (non-response alleles). The two SNPs significantly associated with antidepressant response are rs7785360 and rs12698828 of the AUTS2 gene, located on chromosome 7 in 7q11.22. This gene has multiple known linkages to human psychological functions and neurobehavioral disorders. Rigorous replication efforts in other ethnic populations are recommended.

Original languageEnglish
Pages (from-to)e633
JournalTranslational Psychiatry
Volume5
DOIs
Publication statusPublished - 2015 Jan 1
Externally publishedYes

Fingerprint

Genome-Wide Association Study
Antidepressive Agents
Single Nucleotide Polymorphism
Serotonin Uptake Inhibitors
Alleles
Chromosomes, Human, Pair 7
Linkage Disequilibrium
Depressive Disorder
Age of Onset
Quality Control
Genes
Chromosomes
Odds Ratio
Outcome Assessment (Health Care)
Genome
Confidence Intervals
Psychology
Pharmaceutical Preparations
Population

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience
  • Biological Psychiatry

Cite this

Myung, W., Kim, J., Lim, S. W., Shim, S., Won, H. H., Kim, S., ... Kim, D. K. (2015). A genome-wide association study of antidepressant response in Koreans. Translational Psychiatry, 5, e633. https://doi.org/10.1038/tp.2015.127

A genome-wide association study of antidepressant response in Koreans. / Myung, W.; Kim, J.; Lim, S. W.; Shim, S.; Won, H. H.; Kim, Seonwoo; Kim, Sangha; Lee, Min-Soo; Chang, H. S.; Kim, J. W.; Carroll, B. J.; Kim, D. K.

In: Translational Psychiatry, Vol. 5, 01.01.2015, p. e633.

Research output: Contribution to journalArticle

Myung, W, Kim, J, Lim, SW, Shim, S, Won, HH, Kim, S, Kim, S, Lee, M-S, Chang, HS, Kim, JW, Carroll, BJ & Kim, DK 2015, 'A genome-wide association study of antidepressant response in Koreans', Translational Psychiatry, vol. 5, pp. e633. https://doi.org/10.1038/tp.2015.127
Myung, W. ; Kim, J. ; Lim, S. W. ; Shim, S. ; Won, H. H. ; Kim, Seonwoo ; Kim, Sangha ; Lee, Min-Soo ; Chang, H. S. ; Kim, J. W. ; Carroll, B. J. ; Kim, D. K. / A genome-wide association study of antidepressant response in Koreans. In: Translational Psychiatry. 2015 ; Vol. 5. pp. e633.
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