Cited by 229Genomics and Chromatin DynamicsEstrogen and related hormone effectsChromatin Remodeling and Cancer

C/EBP maintains chromatin accessibility in liver and facilitates glucocorticoid receptor recruitment to steroid response elements

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Grøntved, Lars, John, Sam, Baek, Songjoon, Liu, Ying, Buckley, John R, Vinson, Charles, Aguilera, Greti, Hager, Gordon L·2013·The EMBO Journal

Abstract

Mechanisms regulating transcription factor interaction with chromatin in intact mammalian tissues are poorly understood. Exploiting an adrenalectomized mouse model with depleted endogenous glucocorticoids, we monitor changes of the chromatin landscape in intact liver tissue following glucocorticoid injection. Upon activation of the glucocorticoid receptor (GR), proximal regions of activated and repressed genes are remodelled, and these remodelling events correlate with RNA polymerase II occupancy of regulated genes. GR is exclusively associated with accessible chromatin and 62% percent of GR-binding sites are occupied by C/EBPβ. At the majority of these sites, chromatin is preaccessible suggesting a priming function of C/EBPβ for GR recruitment. Disruption of C/EBPβ binding to chromatin results in attenuation of pre-programmed chromatin accessibility, GR recruitment and GR-induced chromatin remodelling specifically at sites co-occupied by GR and C/EBPβ. Collectively, we demonstrate a highly cooperative mechanism by which C/EBPβ regulates selective GR binding to the genome in liver tissue. We suggest that selective targeting of GR in other tissues is likely mediated by the combined action of cell-specific priming proteins and chromatin remodellers.

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Authors
Grøntved, L., John, S., Baek, S., Liu, Y., Buckley, J. R., Vinson, C., Aguilera, G., & Hager, G. L.
Affiliations
National Institutes of Health (US)
Corresponding author
Hager, Gordon L
Venue
The EMBO Journal
Published
2013-05-10
Volume
32
Issue
11
Pages
1568-1583
ISSN
  • 0261-4189 (ISSN-L)
  • 1460-2075
OpenAlex
W2040339296
Cited by
229
References
6
Citations by year
2026: 7 · 2025: 6 · 2024: 14 · 2023: 14 · 2022: 24 · 2021: 20 · 2020: 15 · 2019: 22 · 2018: 21 · 2017: 25 · 2016: 20 · 2015: 19 · 2014: 14 · 2013: 8
FWCI
9.11
Type
journal article
Language
en
Open access
Locations
  • The EMBO Journal (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • University of Southern Denmark Research Portal (University of Southern Denmark) (submittedVersion)
Funders
  • Lundbeckfonden
  • National Institutes of Health
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
C/EBPβ, glucocorticoid receptor, chromatin accessibility, chromatin remodeling, liver, transcription factor binding, RNA polymerase II occupancy, adrenalectomy, glucocorticoid injection, tissue-specific transcriptional regulation
MeSH terms
Animals, Binding Sites, Cell Line, Chromatin, Dexamethasone, Gene Expression Regulation, Glucocorticoids, Humans, Liver, Male, Mice, Inbred C57BL, Models, Molecular, Nucleosomes, Organ Specificity, Protein Binding, Receptors, Glucocorticoid, Response Elements, CCAAT-Enhancer-Binding Protein-beta, Chromatin Assembly and Disassembly, Regulatory Elements, Transcriptional, Mice, Nucleotide Motifs

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