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The Emerging Roles of microRNAs in Stem Cell Aging
Catharine Dietrich1, Manish Singh2, Nishant Kumar3
1Stem Cell Regulation and Animal Aging Section, Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA.
Abstract:
Aging is the continuous loss of tissue and organ function over time. MicroRNAs (miRNAs) are thought to play a vital role in this process. miRNAs are endogenous small noncoding RNAs that control the expression of target mRNA. They are involved in many biological processes such as developmental timing, differentiation, cell death, stem cell proliferation and differentiation, immune response, aging and cancer. Accumulating studies in recent years suggest that miRNAs play crucial roles in stem cell division and differentiation. In the present chapter, we present a brief overview of these studies and discuss their contributions toward our understanding of the importance of miRNAs in normal and aged stem cell function in various model systems.
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