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Citation

  • Authors: Sanchez BJ. et al.
  • Year: 2019
  • Journal: Nat Commun 10 4171
  • Applications: in vitro / siRNA / jetPRIME
  • Cell types:
    1. Name: C2C12
      Description: Murine myoblasts
    2. Name: LLC

Abstract

The master posttranscriptional regulator HuR promotes muscle fiber formation in cultured muscle cells. However, its impact on muscle physiology and function in vivo is still unclear. Here, we show that muscle-specific HuR knockout (muHuR-KO) mice have high exercise endurance that is associated with enhanced oxygen consumption and carbon dioxide production. muHuR-KO mice exhibit a significant increase in the proportion of oxidative type I fibers in several skeletal muscles. HuR mediates these effects by collaborating with the mRNA decay factor KSRP to destabilize the PGC-1

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