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Skeletal muscle enhancer interactions identify genes controlling whole-body metabolism

Author

Listed:
  • Kristine Williams

    (University of Copenhagen)

  • Lars R. Ingerslev

    (University of Copenhagen)

  • Jette Bork-Jensen

    (University of Copenhagen)

  • Martin Wohlwend

    (Interfaculty Institute of Bioengineering, École Polytechnique Fédérale de Lausanne)

  • Ann Normann Hansen

    (University of Copenhagen)

  • Lewin Small

    (University of Copenhagen)

  • Rasmus Ribel-Madsen

    (University of Copenhagen)

  • Arne Astrup

    (University of Copenhagen)

  • Oluf Pedersen

    (University of Copenhagen)

  • Johan Auwerx

    (Interfaculty Institute of Bioengineering, École Polytechnique Fédérale de Lausanne)

  • Christopher T. Workman

    (Technical University of Denmark)

  • Niels Grarup

    (University of Copenhagen)

  • Torben Hansen

    (University of Copenhagen)

  • Romain Barrès

    (University of Copenhagen)

Abstract

Obesity and type 2 diabetes (T2D) are metabolic disorders influenced by lifestyle and genetic factors that are characterized by insulin resistance in skeletal muscle, a prominent site of glucose disposal. Numerous genetic variants have been associated with obesity and T2D, of which the majority are located in non-coding DNA regions. This suggests that most variants mediate their effect by altering the activity of gene-regulatory elements, including enhancers. Here, we map skeletal muscle genomic enhancer elements that are dynamically regulated after exposure to the free fatty acid palmitate or the inflammatory cytokine TNFα. By overlapping enhancer positions with the location of disease-associated genetic variants, and resolving long-range chromatin interactions between enhancers and gene promoters, we identify target genes involved in metabolic dysfunction in skeletal muscle. The majority of these genes also associate with altered whole-body metabolic phenotypes in the murine BXD genetic reference population. Thus, our combined genomic investigations identified genes that are involved in skeletal muscle metabolism.

Suggested Citation

  • Kristine Williams & Lars R. Ingerslev & Jette Bork-Jensen & Martin Wohlwend & Ann Normann Hansen & Lewin Small & Rasmus Ribel-Madsen & Arne Astrup & Oluf Pedersen & Johan Auwerx & Christopher T. Workm, 2020. "Skeletal muscle enhancer interactions identify genes controlling whole-body metabolism," Nature Communications, Nature, vol. 11(1), pages 1-16, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-16537-6
    DOI: 10.1038/s41467-020-16537-6
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