The expression and functional roles of microRNAs in stem cell differentiation

Research output: Contribution to journalShort survey

5 Scopus citations

Abstract

MicroRNAs (miRNAs) are key regulators of cell state transition and retention during stem cell proliferation and differentiation by post-transcriptionally downregulating hundreds of conserved target genes via seed-pairing in their 3' untranslated region. In embryonic and adult stem cells, dozens of miRNAs that elaborately control stem cell processes by modulating the transcriptomic context therein have been identified. Some miRNAs accelerate the change of cell state into progenitor cell lineages-such as myoblast, myeloid or lymphoid progenitors, and neuro precursor stem cells-and other miRNAs decelerate the change but induce proliferative activity, resulting in cell state retention. This cell state choice can be controlled by endogenously or exogenously changing miRNA levels or by including or excluding target sites. This control of miRNA-mediated gene regulation could improve our understanding of stem cell biology and facilitate their development as therapeutic tools.

Original languageEnglish
Pages (from-to)3-10
Number of pages8
JournalBMB reports
Volume49
Issue number1
DOIs
StatePublished - 2016 Jan 1

Keywords

  • Adult stem cell
  • Differentiation
  • Embryonic stem cell
  • MicroRNA
  • Proliferation
  • Self-renewal

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