Cited by 174Epigenetics and DNA MethylationTryptophan and brain disordersStress Responses and Cortisol

Epigenetic and inflammatory marker profiles associated with depression in a community-based epidemiologic sample

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Uddin, M., Koenen, K. C., Aiello, A. E., Wildman, D. E., de los Santos, R., Galea, S.·2011·Psychological Medicine

Abstract

Background: Recent work suggests that epigenetic differences may be associated with psychiatric disorders. Here we investigate, in a community-based sample, whether methylation profiles distinguish between individuals with and without lifetime depression. We also investigate the physiologic consequences that may be associated with these profiles. Method: Using whole blood-derived genomic DNA from a subset of participants in the Detroit Neighborhood Health Study (DNHS), we applied methylation microarrays to assess genome-wide methylation profiles for over 14 000 genes in 33 persons who reported a lifetime history of depression and 67 non-depressed adults. Bioinformatic functional analyses were performed on the genes uniquely methylated and unmethylated in each group, and inflammatory biomarkers [interleukin (IL)-6 and C-reactive protein (CRP)] were measured to investigate the possible functional significance of the methylation profiles observed. Results: Uniquely unmethylated gene sets distinguished between those with versus without lifetime depression. In particular, some processes (e.g. brain development, tryptophan metabolism) showed patterns suggestive of increased methylation among individuals with depression whereas others (e.g. lipoprotein) showed patterns suggestive of decreased methylation among individuals with depression. IL-6 and CRP levels were elevated among those with lifetime depression and, among those with depression only, IL-6 methylation showed an inverse correlation with circulating IL-6 and CRP. Conclusions: Genome-wide methylation profiles distinguish individuals with versus without lifetime depression in a community-based setting, and show coordinated signals with pathophysiological mechanisms previously implicated in the etiology of this disorder. Examining epigenetic mechanisms in concert with other dynamic markers of physiologic functioning should improve our understanding of the neurobiology of depression.

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  • Inflammatory markers are associated with epigenetics at the gene level in peripheral leukocytes, which play a critical role in acute and chronic inflammation related to the pathophysiology of many human diseases.

    “Additionally, inflammatory markers have been associated with epigenetics at the gene level in peripheral leukocytes (Sun, Lazarus, et al., 2013; Uddin et al., 2011), which play a critical role in acute and chronic inflammation related to pathophysiology of many human diseases.”

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Authors
Uddin, M., Koenen, K. C., Aiello, A. E., Wildman, D. E., de los Santos, R., & Galea, S.
Affiliations
  • University of Michigan (US)
  • Harvard University (US)
  • Wayne State University (US)
  • Columbia University (US)
Corresponding author
Uddin, M.
Venue
Psychological Medicine
Published
2010-09-14
Volume
41
Issue
5
Pages
997-1007
ISSN
  • 0033-2917 (ISSN-L)
  • 1469-8978
OpenAlex
W2130775735
Cited by
174
References
60
Citations by year
2026: 2 · 2025: 2 · 2024: 7 · 2023: 4 · 2022: 9 · 2021: 7 · 2020: 6 · 2019: 8 · 2018: 11 · 2017: 14 · 2016: 20 · 2015: 15 · 2014: 28 · 2013: 16 · 2012: 15
FWCI
5.34
Type
journal article
Language
en
Open access
Locations
  • Psychological Medicine (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Wayne State University (RC1MH088283, DA022720, MH07627)
  • University of Michigan (RC1MH088283, MH07627, DA022720)
  • National Institutes of Health (MH07627, AG013283)
  • National Institute on Aging (P30AG013283, AG‐013283)
  • National Institute of Mental Health (R01MH078928, RC1MH088283, MH-078928, MH07627)
  • National Institute on Drug Abuse (DA 022720, R01DA022720, DA 022720-S1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
depression, DNA methylation, epigenetics, interleukin-6, C-reactive protein, inflammatory markers, tryptophan metabolism, brain development, lipoprotein metabolism, neurobiology of depression
MeSH terms
Adult, C-Reactive Protein, Depressive Disorder, Female, Humans, Inflammation, Male, Michigan, Biomarkers, Interleukin-6, Cluster Analysis, Case-Control Studies, DNA Methylation, Epigenesis, Genetic, Genome-Wide Association Study

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