Cited by 90Epigenetics and DNA MethylationStress Responses and CortisolGenomics and Chromatin Dynamics

Epigenetic regulation of the glucocorticoid receptor promoter 17in adult rats

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Witzmann, Simone R., Turner, Jonathan D., Mériaux, Sophie B., Meijer, Onno C., Muller, Claude P.·2012·Epigenetics

Abstract

Regulation of glucocorticoid receptor (GR) levels is an important stress adaptation mechanism. Transcription factor Nfgi-a and environmentally induced Gr promoter 1 7 methylation have been implicated in fine-tuning the expression of Gr 1 7 transcripts. Here, we investigated Gr promoter 1 7 methylation and Gr 1 7 expression in adult rats exposed to either acute or chronic stress paradigms. A strong negative correlation was observed between the sum of promoter-wide methylation levels and Gr 1 7 transcript levels, independent of the stressor. Methylation of individual sites did not, however, correlate with transcript levels. This suggested that promoter 1 7 was directly regulated by promoter-wide DNA methylation. Although acute stress increased Ngfi-a expression in the hypothalamic paraventricular nucleus (PVN), Gr 1 7 transcript levels remained unaffected despite low methylation levels. Acute stress had little effect on these low methylation levels, except at four hippocampal CpGs. Chronic stress altered the corticosterone response to an acute stressor. In the adrenal and pituitary glands, but not in the brain, this was accompanied by an increase in methylation levels in orchestrated clusters rather than individual CpGs. PVN methylation levels, unaffected by acute or chronic stress, were significantly more variable within- than between-groups, suggesting that they were instated probably during the perinatal period and represent a pre-established trait. Thus, in addition to the known perinatal programming, the Gr 1 7 promoter is epigenetically regulated by chronic stress in adulthood, and retains promoter-wide tissue-specific plasticity. Differences in methylation susceptibility between the PVN in the perinatal period and the peripheral HPA axis tissues in adulthood may represent an important "trait" vs. "state" regulation of the Gr gene.

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Crossref · 10.4161/epi.22363

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Authors
Witzmann, S. R., Turner, J. D., Mériaux, S. B., Meijer, O. C., & Muller, C. P.
Affiliations
  • National Public Health Laboratory (NP)
  • Leiden University (NL)
Corresponding author
Muller, Claude P.
Venue
Epigenetics
Published
2012-11-13
Volume
7
Issue
11
Pages
1290-1301
ISSN
  • 1559-2294 (ISSN-L)
  • 1559-2308
OpenAlex
W2030896169
Cited by
90
References
49
Citations by year
2026: 2 · 2025: 4 · 2024: 2 · 2023: 4 · 2022: 5 · 2021: 6 · 2020: 4 · 2019: 7 · 2018: 9 · 2017: 8 · 2016: 11 · 2015: 8 · 2014: 12 · 2013: 8
FWCI
3.60
Type
journal article
Language
en
Open access
Locations
  • Epigenetics (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Leiden Repository (Leiden University) (submittedVersion)
  • Open Repository and Bibliography (University of Luxembourg) (submittedVersion, cc-by-nc-sa)
Funders
Deutsche Forschungsgemeinschaft (GRK 1389/1, GRK 1389, 1389/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
glucocorticoid receptor, DNA methylation, epigenetic regulation, chronic stress, acute stress, NGFI-A, paraventricular nucleus, hippocampus, hypothalamic-pituitary-adrenal axis, perinatal programming, gene expression
MeSH terms
Animals, Corticosterone, Male, Paraventricular Hypothalamic Nucleus, Promoter Regions, Genetic, Receptors, Glucocorticoid, RNA, Messenger, Stress, Psychological, Rats, Sprague-Dawley, CpG Islands, DNA Methylation, Epigenesis, Genetic, Rats, Early Growth Response Protein 1

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