Journal
BMB REPORTS
Volume 49, Issue 1, Pages 3-10Publisher
KOREAN SOCIETY BIOCHEMISTRY & MOLECULAR BIOLOGY
DOI: 10.5483/BMBRep.2016.49.1.217
Keywords
Adult stem cell; Differentiation; Embryonic stem cell; microRNA; Proliferation; Self-renewal
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Funding
- Hanyang University [HY-2012-2191]
- Cooperative Research Program for Agriculture Science & Technology Development of the Rural Development Administration, Republic of Korea [PJ01045303]
- National Research Foundation of Korea [22A20130012352] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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.
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