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Yin 2013 Cell Metab

From Bioblast
Publications in the MiPMap
Yin H, Pasut A, Soleimani VD, Bentzinger CF, Antoun G, Thorn S, Seale P, Fernando P, van Ijcken W, Grosveld F, Dekemp RA, Boushel RC, Harper ME, Rudnicki MA (2013) MicroRNA-133 controls brown adipose determination in skeletal muscle satellite cells by targeting Prdm16. Cell Metab 17:210-24.

Β» PMID: 23395168 Open Access

Yin H, Pasut A, Soleimani VD, Bentzinger CF, Antoun G, Thorn S, Seale P, Fernando P, van Ijcken W, Grosveld F, Dekemp RA, Boushel RC, Harper ME, Rudnicki MA (2013) Cell Metab

Abstract: Brown adipose tissue (BAT) is an energy-dispensing thermogenic tissue that plays an important role in balancing energy metabolism. Lineage-tracing experiments indicate that brown adipocytes are derived from myogenic progenitors during embryonic development. However, adult skeletal muscle stem cells (satellite cells) have long been considered uniformly determined toward the myogenic lineage. Here, we report that adult satellite cells give rise to brown adipocytes and that microRNA-133 regulates the choice between myogenic and brown adipose determination by targeting the 3'UTR of Prdm16. Antagonism of microRNA-133 during muscle regeneration increases uncoupled respiration, glucose uptake, and thermogenesis in local treated muscle and augments whole-body energy expenditure, improves glucose tolerance, and impedes the development of diet-induced obesity. Finally, we demonstrate that miR-133 levels are downregulated in mice exposed to cold, resulting in de novo generation of satellite cell-derived brown adipocytes. Therefore, microRNA-133 represents an important therapeutic target for the treatment of obesity. β€’ Keywords: Thermogenesis, Brown adipocytes, MicroRNA-133, Obesity, Satellite Cells

β€’ O2k-Network Lab: CA Ottawa Harper ME, CA Vancouver Boushel RC, SE Stockholm Boushel RC


Labels: MiParea: Respiration 


Organism: Mouse  Tissue;cell: Skeletal muscle, Fat  Preparation: Intact cells, Permeabilized tissue  Enzyme: Complex III  Regulation: Fatty acid 

Pathway:HRR: Oxygraph-2k