Type I interferon signaling genes in recurrent major depression : Increased expression detected by whole-blood RNA sequencing

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

129 Scopus Citations
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  • S. Mostafavi
  • A. Battle
  • J. B. Potash
  • M. M. Weissman
  • J. Shi
  • K. Beckman
  • C. Haudenschild
  • C. Mccormick
  • R. Mei
  • M. J. Gameroff
  • H. Gindes
  • P. Adams
  • F. S. Goes
  • F. M. Mondimore
  • D. F. Mackinnon
  • L. Notes
  • B. Schweizer
  • D. Furman
  • S. B. Montgomery
  • A. E. Urban
  • D. Koller
  • D. F. Levinson


Original languageEnglish
Pages (from-to)1267-1274
Journal / PublicationMolecular Psychiatry
Issue number12
Publication statusPublished - 11 Dec 2014
Externally publishedYes



A study of genome-wide gene expression in major depressive disorder (MDD) was undertaken in a large population-based sample to determine whether altered expression levels of genes and pathways could provide insights into biological mechanisms that are relevant to this disorder. Gene expression studies have the potential to detect changes that may be because of differences in common or rare genomic sequence variation, environmental factors or their interaction. We recruited a European ancestry sample of 463 individuals with recurrent MDD and 459 controls, obtained self-report and semi-structured interview data about psychiatric and medical history and other environmental variables, sequenced RNA from whole blood and genotyped a genome-wide panel of common single-nucleotide polymorphisms. We used analytical methods to identify MDD-related genes and pathways using all of these sources of information. In analyses of association between MDD and expression levels of 13 857 single autosomal genes, accounting for multiple technical, physiological and environmental covariates, a significant excess of low P-values was observed, but there was no significant single-gene association after genome-wide correction. Pathway-based analyses of expression data detected significant association of MDD with increased expression of genes in the interferon α/β signaling pathway. This finding could not be explained by potentially confounding diseases and medications (including antidepressants) or by computationally estimated proportions of white blood cell types. Although cause-effect relationships cannot be determined from these data, the results support the hypothesis that altered immune signaling has a role in the pathogenesis, manifestation, and/or the persistence and progression of MDD.

Research Area(s)

  • interferon-I signaling, major depressive disorder, MDD, pathway expression signature, RNA-sequencing, transcriptomic

Bibliographic Note

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Citation Format(s)

Type I interferon signaling genes in recurrent major depression: Increased expression detected by whole-blood RNA sequencing. / Mostafavi, S.; Battle, A.; Zhu, X. et al.
In: Molecular Psychiatry, Vol. 19, No. 12, 11.12.2014, p. 1267-1274.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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