• Jian Zhou, Cheng Qiu, Zhihua Fan, Tianyi Liu, and Tang Liu.
• Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, P. R. China.
• Int J Med Sci. 2021 Jan 1; 18 (11): 2438-2448.

AbstractCircular RNAs (circRNAs) are novel endogenous non-coding RNAs that play a critical role during cellular signal transduction, gene transcription and translation. With the rapid advancement of bioinformatics analysis tools and high-throughput RNA sequencing, numerous circRNAs with important biological features have been identified. They function as competing endogenous RNAs (ceRNAs) of microRNAs and as such exhibit the potential to act as biomarkers for stem cell differentiation. In the recent past, several studies have shown the involvement of circRNAs in stem cells differentiation. The present review summarizes the molecular characteristics, biogenesis and mechanisms of newly identified circRNAs in the differentiation of stem cells. In conclusion, circRNAs regulate the stem cells differentiation via their ambient binding efficacy to modulate miRNA expression, as well as related gene translation. We believe that this review will provide reference guidance for future studies on stem cell differentiation.© The author(s).

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