Cited by 59Epigenetics and DNA MethylationChild Abuse and TraumaMaternal Mental Health During Pregnancy and Postpartum

Epigenomic profiling of men exposed to early-life stress reveals DNA methylation differences in association with current mental state

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Khulan, B, Manning, J R, Dunbar, D R, Seckl, J R, Raikkonen, K, Eriksson, J G, Drake, A J·2014·Translational Psychiatry

Abstract

Early-life stress (ELS) is known to be associated with an increased risk of neuropsychiatric and cardiometabolic disease in later life. One of the potential mechanisms underpinning this is through effects on the epigenome, particularly changes in DNA methylation. Using a well-phenotyped cohort of 83 men from the Helsinki Birth Cohort Study, who experienced ELS in the form of separation from their parents during childhood, and a group of 83 matched controls, we performed a genome-wide analysis of DNA methylation in peripheral blood. We found no differences in DNA methylation between men who were separated from their families and non-separated men; however, we did identify differences in DNA methylation in association with the development of at least mild depressive symptoms over the subsequent 5-10 years. Notably, hypomethylation was identified at a number of genes with roles in brain development and/or function in association with depressive symptoms. Pathway analysis revealed an enrichment of DNA methylation changes in pathways associated with development and morphogenesis, DNA and transcription factor binding and programmed cell death. Our results support the concept that DNA methylation differences may be important in the pathogenesis of psychiatric disease.

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Authors
Khulan, B., Manning, J. R., Dunbar, D. R., Seckl, J. R., Raikkonen, K., Eriksson, J. G., & Drake, A. J.
Affiliations
  • The Queen's Medical Research Institute (GB)
  • University of Helsinki (FI)
Corresponding author
Drake, A J
Venue
Translational Psychiatry
Published
2014-09-23
Volume
4
Issue
9
Pages
e448-e448
ISSN
2158-3188 (ISSN-L)
OpenAlex
W2039214507
Cited by
59
References
71
Citations by year
2025: 1 · 2024: 1 · 2023: 3 · 2022: 8 · 2021: 5 · 2020: 6 · 2019: 10 · 2018: 4 · 2017: 8 · 2016: 5 · 2015: 8
FWCI
2.87
Type
journal article
Language
en
Open access
Locations
  • Translational Psychiatry (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, cc-by-nc-nd)
  • Työväentutkimus Vuosikirja (submittedVersion)
  • STM:n Hallinnonalan avoin julkaisuarkisto (Julkari) (submittedVersion)
Funders
  • Finska Läkaresällskapet
  • Wellcome Trust (104036/Z/14/Z, 104036)
  • British Heart Foundation (104036/Z/14/Z)
  • European Commission (278603)
  • Signe ja Ane Gyllenbergin Säätiö
  • Samfundet Folkhälsan
  • Medical Research Council (104036/Z/14/Z, EU FP7)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Social Sciences › Psychology › Clinical Psychology › Child Abuse and Trauma
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Maternal Mental Health During Pregnancy and Postpartum
Keywords
early life stress, DNA methylation, epigenomics, depressive symptoms, brain development genes, programmed cell death, men, Helsinki Birth Cohort Study
MeSH terms
Aged, Mental Disorders, Female, Finland, Humans, Male, Men, Middle Aged, Stress, Psychological, Cohort Studies, DNA Methylation, Epigenesis, Genetic, Epigenomics

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