A cardiac MicroRNA governs systemic energy homeostasis by regulation of MED13

Chad E. Grueter, Eva Van Rooij, Brett A. Johnson, Susan M. Deleon, Lillian B. Sutherland, Xiaoxia Qi, Laurent Gautron, Joel K. Elmquist, Rhonda Bassel-Duby, Eric N. Olson

Research output: Contribution to journalArticle

213 Citations (Scopus)

Abstract

Obesity, type 2 diabetes, and heart failure are associated with aberrant cardiac metabolism. We show that the heart regulates systemic energy homeostasis via MED13, a subunit of the Mediator complex, which controls transcription by thyroid hormone and other nuclear hormone receptors. MED13, in turn, is negatively regulated by a heart-specific microRNA, miR-208a. Cardiac-specific overexpression of MED13 or pharmacologic inhibition of miR-208a in mice confers resistance to high-fat diet-induced obesity and improves systemic insulin sensitivity and glucose tolerance. Conversely, genetic deletion of MED13 specifically in cardiomyocytes enhances obesity in response to high-fat diet and exacerbates metabolic syndrome. The metabolic actions of MED13 result from increased energy expenditure and regulation of numerous genes involved in energy balance in the heart. These findings reveal a role of the heart in systemic metabolic control and point to MED13 and miR-208a as potential therapeutic targets for metabolic disorders. PaperClip:

Original languageEnglish (US)
Pages (from-to)671-683
Number of pages13
JournalCell
Volume149
Issue number3
DOIs
StatePublished - Apr 27 2012

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MicroRNAs
Homeostasis
Obesity
High Fat Diet
Nutrition
Mediator Complex
Fats
Cytoplasmic and Nuclear Receptors
Thyroid Hormones
Cardiac Myocytes
Type 2 Diabetes Mellitus
Energy Metabolism
Insulin Resistance
Transcription
Medical problems
Energy balance
Metabolism
Heart Failure
Glucose
Genes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Grueter, C. E., Van Rooij, E., Johnson, B. A., Deleon, S. M., Sutherland, L. B., Qi, X., ... Olson, E. N. (2012). A cardiac MicroRNA governs systemic energy homeostasis by regulation of MED13. Cell, 149(3), 671-683. https://doi.org/10.1016/j.cell.2012.03.029

A cardiac MicroRNA governs systemic energy homeostasis by regulation of MED13. / Grueter, Chad E.; Van Rooij, Eva; Johnson, Brett A.; Deleon, Susan M.; Sutherland, Lillian B.; Qi, Xiaoxia; Gautron, Laurent; Elmquist, Joel K.; Bassel-Duby, Rhonda; Olson, Eric N.

In: Cell, Vol. 149, No. 3, 27.04.2012, p. 671-683.

Research output: Contribution to journalArticle

Grueter CE, Van Rooij E, Johnson BA, Deleon SM, Sutherland LB, Qi X et al. A cardiac MicroRNA governs systemic energy homeostasis by regulation of MED13. Cell. 2012 Apr 27;149(3):671-683. https://doi.org/10.1016/j.cell.2012.03.029
Grueter, Chad E. ; Van Rooij, Eva ; Johnson, Brett A. ; Deleon, Susan M. ; Sutherland, Lillian B. ; Qi, Xiaoxia ; Gautron, Laurent ; Elmquist, Joel K. ; Bassel-Duby, Rhonda ; Olson, Eric N. / A cardiac MicroRNA governs systemic energy homeostasis by regulation of MED13. In: Cell. 2012 ; Vol. 149, No. 3. pp. 671-683.
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