Cited by 965Epigenetics and DNA MethylationMuscle Physiology and DisordersGenomics and Chromatin Dynamics

Acute Exercise Remodels Promoter Methylation in Human Skeletal Muscle

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Barrès, Romain, Yan, Jie, Egan, Brendan, Treebak, Jonas Thue, Rasmussen, Morten, Fritz, Tomas, Caidahl, Kenneth, Krook, Anna +2 more·2012·Cell Metabolism

Abstract

DNA methylation is a covalent biochemical modification controlling chromatin structure and gene expression. Exercise elicits gene expression changes that trigger structural and metabolic adaptations in skeletal muscle. We determined whether DNA methylation plays a role in exercise-induced gene expression. Whole genome methylation was decreased in skeletal muscle biopsies obtained from healthy sedentary men and women after acute exercise. Exercise induced a dose-dependent expression of PGC-1α, PDK4, and PPAR-δ, together with a marked hypomethylation on each respective promoter. Similarly, promoter methylation of PGC-1α, PDK4, and PPAR-δ was markedly decreased in mouse soleus muscles 45 min after ex vivo contraction. In L6 myotubes, caffeine exposure induced gene hypomethylation in parallel with an increase in the respective mRNA content. Collectively, our results provide evidence that acute gene activation is associated with a dynamic change in DNA methylation in skeletal muscle and suggest that DNA hypomethylation is an early event in contraction-induced gene activation.

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Crossref · 10.1016/j.cmet.2012.01.001

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Authors
Barrès, R., Yan, J., Egan, B., Treebak, J. T., Rasmussen, M., Fritz, T., Caidahl, K., Krook, A., O'Gorman, D. J., & Zierath, J. R.
Affiliations
  • University of Copenhagen (DK)
  • Karolinska University Hospital (SE)
Corresponding author
Zierath, Juleen R.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2012-03
Volume
15
Issue
3
Pages
405-411
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2113728034
Cited by
965
References
32
Citations by year
2026: 65 · 2025: 64 · 2024: 61 · 2023: 39 · 2022: 67 · 2021: 73 · 2020: 53 · 2019: 67 · 2018: 75 · 2017: 79 · 2016: 65 · 2015: 77 · 2014: 76 · 2013: 75 · 2012: 28
FWCI
32.94
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Research at the University of Copenhagen (University of Copenhagen) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
DNA methylation, promoter hypomethylation, acute exercise, skeletal muscle, PGC-1α, PDK4, PPARδ, gene expression regulation, muscle contraction, caffeine, soleus muscle, L6 myotubes, epigenetic regulation
MeSH terms
Adult, Animals, Female, Humans, Male, Mice, Inbred C57BL, Exercise, Muscle, Skeletal, DNA Methylation, Mice, Young Adult

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