Cited by 220Epigenetics and DNA MethylationNeurotransmitter Receptor Influence on BehaviorStress Responses and Cortisol

The DOI matches its Crossref record; 78 of the 78 references it cites were found in a registry or an index.

Genetic and epigenetic associations of MAOA and NR3C1 with depression and childhood adversities

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Abstract

Monoamine oxidase A (MAOA) harbours a polymorphic upstream variable-number tandem repeat (u-VNTR). The MAOA-L allele of the u-VNTR leads to decreased gene expression levels in vitro and has been found to increase the risk of conduct disorder in males with childhood adversities. Early-life adversities have been associated with hypermethylation of the glucocorticoid receptor (NR3C1). In this study, we first performed a genetic association analysis of the MAOA u-VNTR using individuals with depression (n = 392) and controls (n = 1276). Next, DNA methylation analyses of MAOA and NR3C1 were performed using saliva samples of depressed and control subgroups. Adult MAOA-L females with childhood adversities were found to have a higher risk of developing depression (p = 0.006) and overall MAOA methylation levels were decreased in depressed females compared to controls (mean depressed, 42% vs. mean controls, 44%; p = 0.04). One specific childhood adversity [early parental death (EPD)] was associated with hypermethylation of NR3C1 close to an NGFI-A binding site (mean EPD, 19% vs. mean non-EPD, 14%; p = 0.005). Regression analysis indicated that this association may be mediated by the MAOA-L allele (adjusted R2 = 0.24, ANOVA: F = 23.48, p < 0.001). Conclusively: (1) depression in females may result from a gene × childhood-adversity interaction and/or a dysregulated epigenetic programming of MAOA; (2) childhood-adversity subtypes may differentially impact DNA methylation at NR3C1; (3) baseline MAOA-genotypic variations may affect the extent of NR3C1 methylation.

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Metadata

Authors
Melas, P. A., Wei, Y., Wong, C. C. Y., Sjöholm, L. K., Åberg, E., Mill, J., Schalling, M., Forsell, Y., & Lavebratt, C.
Affiliations
  • Karolinska University Hospital (SE)
  • Department of Molecular Medicine and Surgery, Neurogenetics Unit, Karolinska Institutet, Stockholm, Sweden
  • King's College London (GB)
  • Karolinska Institutet (SE)
Corresponding author
Lavebratt, Catharina
Venue
International Journal of Neuropsychopharmacology
Published
2013-08-01
Volume
16
Issue
7
Pages
1513-1528
ISSN
  • 1461-1457 (ISSN-L)
  • 1469-5111
OpenAlex
W2008523946
Cited by
220
References
78
Citations by year
2026: 2 · 2025: 9 · 2024: 11 · 2023: 14 · 2022: 17 · 2021: 18 · 2020: 23 · 2019: 16 · 2018: 22 · 2017: 24 · 2016: 20 · 2015: 21 · 2014: 20 · 2013: 3
FWCI
9.55
Type
journal article
Language
en
Open access
Locations
  • The International Journal of Neuropsychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion)
Funders
  • Bodossaki Foundation
  • Karolinska Institutet
  • Stockholms Läns Landsting
  • Vetenskapsrådet (2010-03631, 2008-03307, 2009-05546, 2011-04807)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
monoamine oxidase A, NR3C1, glucocorticoid receptor, DNA methylation, depression, childhood adversity, gene-environment interaction, epigenetic programming, sex differences
MeSH terms
Adult, Aged, Child, Depression, Environment, Female, Humans, Life Change Events, Male, Middle Aged, Monoamine Oxidase, Receptors, Glucocorticoid, Sex Factors, Chi-Square Distribution, Minisatellite Repeats, CpG Islands, DNA Methylation, Genetic Association Studies, Epigenomics

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