期刊
DEVELOPMENTAL BIOLOGY
卷 344, 期 1, 页码 16-25出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ydbio.2010.05.014
关键词
ES cells; IPS cells; miRNAs; Reprogramming; Sox2; Oct4
资金
- National Institutes of Health [GM 080751]
- Nebraska Department of Health
MicroRNAs (miRNAs) have emerged as critical regulators of gene expression These small, non-coding RNAs are believed to regulate more than a third of all protein coding genes, and they have been implicated in the control of virtually all biological processes, including the biology of stem cells. The essential roles of miRNAs in the control of pluripotent stem cells were clearly established by the finding that embryonic stem (ES) cells lacking proteins required for miRNA biogenesis exhibit defects in proliferation and differentiation Subsequently, the function of numerous miRNAs has been shown to control the fate of ES cells and to directly influence critical gene regulatory networks controlled by pluripotency factors Sox2, Oct4, and Nanog Moreover, a growing list of tissue-specific miRNAs, which are silenced or not processed fully in ES cells, has been found to promote differentiation upon their expression and proper processing. The importance of miRNAs for ES cells is further indicated by the exciting discovery that specific miRNA mimics or miRNA inhibitors promote the reprogramming of somatic cells into induced pluripotent stem (IFS) cells Although some progress has been made during the past two years in our understanding of the contribution of specific miRNAs during reprogramming, further progress is needed since it is highly likely that miRNAs play even wider roles in the generation of IPS cells than currently appreciated This review examines recent developments related to the roles of miRNAs in the biology of pluripotent stem cells. In addition, we posit that more than a dozen additional miRNAs are excellent candidates for influencing the generation of IPS cells as well as for providing new insights into the process of reprogramming (C) 2010 Elsevier Inc. All rights reserved
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