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The MicroRNA-92a/Sp1/MyoD Axis Regulates Hypoxic Stimulation of Myogenic Lineage Differentiation in Mouse Embryonic Stem Cells

  • Seo Yeon Lee
  • , Jimin Yang
  • , Jung Hwa Park
  • , Hwa Kyoung Shin
  • , Woo Jean Kim
  • , Su Yeon Kim
  • , Eun Ju Lee
  • , Injoo Hwang
  • , Choon Soo Lee
  • , Jaewon Lee
  • , Hyo Soo Kim*
  • *Corresponding author for this work
  • Seoul National University
  • Pusan National University
  • Kosin University

Research output: Contribution to journalJournal articlepeer-review

Abstract

Lee et al. describe the enhanced differentiation of hypoxia-primed embryoid bodies (EBs) into the myogenic lineage. Interestingly, this process was not mediated by HIF1α or HIF2α, but rather by Sp1 induction, via binding to the MyoD promoter. Moreover, the transplantation of hypoxia-primed EBs was found to facilitate muscle regeneration in vivo, and this was also found to depend on Sp1. By analyzing miRNA expression profiles, the authors demonstrate that hypoxia induced Sp1 in EBs via suppression of miRNA-92a that was found to directly target the 3′ UTR of Sp1.

Original languageEnglish
Pages (from-to)142-156
Number of pages15
JournalMolecular Therapy
Volume28
Issue number1
DOIs
StatePublished - 2020.01.8

Keywords

  • embryoid bodies
  • hypoxic microenvironment
  • microRNA
  • myogenic differentiation
  • transcription factor

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