Author:
Zhou Fan,Chen Wei,Jiang Yiqun,He Zuping
Abstract
Spermatogonial stem cells (SSCs) are one of the most significant stem cells with the potentials of self-renewal, differentiation, transdifferentiation and dedifferentiation, and thus, they have important applications in reproductive and regenerative medicine. They can transmit the genetic and epigenetic information across generations, which highlights the importance of the correct establishment and maintenance of epigenetic marks. Accurate transcriptional and post-transcriptional regulation is required to support the highly coordinated expression of specific genes for each step of spermatogenesis. Increasing evidence indicates that non-coding RNAs (ncRNAs), including long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs), play essential roles in controlling gene expression and fate determination of male germ cells. These ncRNA molecules have distinct characteristics and biological functions, and they independently or cooperatively modulate the proliferation, apoptosis and differentiation of SSCs. In this review, we summarized the features, biological function and fate of mouse and human SSCs, and we compared the characteristics of lncRNAs and circRNAs. We also addressed the roles and mechanisms of lncRNAs and circRNAs in regulating mouse and human SSCs, which would add novel insights into the epigenetic mechanisms underlying mammalian spermatogenesis and provide new approaches to treat male infertility.
Subject
Cell Biology,Obstetrics and Gynecology,Endocrinology,Embryology,Reproductive Medicine
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