Nuclear receptor/microRNA circuitry links muscle fiber type to energy metabolism

Zhenji Gan, John Rumsey, Bethany C. Hazen, Ling Lai, Teresa C. Leone, Rick B. Vega, Hui Xie, Kevin E. Conley, Johan Auwerx, Steven R. Smith, Eric N. Olson, Anastasia Kralli, Daniel P. Kelly

Research output: Contribution to journalArticle

107 Citations (Scopus)

Abstract

The mechanisms involved in the coordinate regulation of the metabolic and structural programs controlling muscle fitness and endurance are unknown. Recently, the nuclear receptor PPARβ/δ was shown to activate muscle endurance programs in transgenic mice. In contrast, muscle-specific transgenic overexpression of the related nuclear receptor, PPARα, results in reduced capacity for endurance exercise. We took advantage of the divergent actions of PPARβ/δ and PPARα to explore the downstream regulatory circuitry that orchestrates the programs linking muscle fiber type with energy metabolism. Our results indicate that, in addition to the well-established role in transcriptional control of muscle metabolic genes, PPARβ/δ and PPARα participate in programs that exert opposing actions upon the type I fiber program through a distinct muscle microRNA (miRNA) network, dependent on the actions of another nuclear receptor, estrogen-related receptor γ (ERRγ). Gain-of-function and loss-of-function strategies in mice, together with assessment of muscle biopsies from humans, demonstrated that type I muscle fiber proportion is increased via the stimulatory actions of ERRγ on the expression of miR-499 and miR-208b. This nuclear receptor/miRNA regulatory circuit shows promise for the identification of therapeutic targets aimed at maintaining muscle fitness in a variety of chronic disease states, such as obesity, skeletal myopathies, and heart failure.

Original languageEnglish (US)
Pages (from-to)2564-2575
Number of pages12
JournalJournal of Clinical Investigation
Volume123
Issue number6
DOIs
StatePublished - Jun 3 2013

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Cytoplasmic and Nuclear Receptors
MicroRNAs
Energy Metabolism
Peroxisome Proliferator-Activated Receptors
Muscles
Estrogen Receptors
Slow-Twitch Muscle Fibers
Muscular Diseases
Transgenic Mice
Chronic Disease
Heart Failure
Obesity
Biopsy
Genes

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Gan, Z., Rumsey, J., Hazen, B. C., Lai, L., Leone, T. C., Vega, R. B., ... Kelly, D. P. (2013). Nuclear receptor/microRNA circuitry links muscle fiber type to energy metabolism. Journal of Clinical Investigation, 123(6), 2564-2575. https://doi.org/10.1172/JCI67652

Nuclear receptor/microRNA circuitry links muscle fiber type to energy metabolism. / Gan, Zhenji; Rumsey, John; Hazen, Bethany C.; Lai, Ling; Leone, Teresa C.; Vega, Rick B.; Xie, Hui; Conley, Kevin E.; Auwerx, Johan; Smith, Steven R.; Olson, Eric N.; Kralli, Anastasia; Kelly, Daniel P.

In: Journal of Clinical Investigation, Vol. 123, No. 6, 03.06.2013, p. 2564-2575.

Research output: Contribution to journalArticle

Gan, Z, Rumsey, J, Hazen, BC, Lai, L, Leone, TC, Vega, RB, Xie, H, Conley, KE, Auwerx, J, Smith, SR, Olson, EN, Kralli, A & Kelly, DP 2013, 'Nuclear receptor/microRNA circuitry links muscle fiber type to energy metabolism', Journal of Clinical Investigation, vol. 123, no. 6, pp. 2564-2575. https://doi.org/10.1172/JCI67652
Gan, Zhenji ; Rumsey, John ; Hazen, Bethany C. ; Lai, Ling ; Leone, Teresa C. ; Vega, Rick B. ; Xie, Hui ; Conley, Kevin E. ; Auwerx, Johan ; Smith, Steven R. ; Olson, Eric N. ; Kralli, Anastasia ; Kelly, Daniel P. / Nuclear receptor/microRNA circuitry links muscle fiber type to energy metabolism. In: Journal of Clinical Investigation. 2013 ; Vol. 123, No. 6. pp. 2564-2575.
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