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Circular RNAs Act as miRNA Sponges

  • Amaresh Chandra Panda
Chapter
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 1087)

Abstract

Majority of RNAs expressed in animal cells lack protein-coding ability. Unlike other cellular RNAs, circular (circ)RNAs include a large family of noncoding (nc)RNAs that lack the 5′ or 3′ ends. The improvements in high-throughput RNA sequencing and novel bioinformatics tools have led to the identification of thousands of circRNAs in various organisms. CircRNAs can regulate gene expression by influencing the transcription, the mRNA turnover, and translation by sponging RNA-binding proteins and microRNAs. Given the broad impact of circRNA on miRNA activity, there is huge interest in understanding the impact of miRNA sponging by circRNA on gene regulation. In this review, we summarize our current knowledge of the miRNA-circRNA interaction and mechanisms that influence gene expression.

Keywords

mRNA miRNA circRNA Competing endogenous RNA Translation miRNA sponge 

Notes

Acknowledgments

This work was supported by the Science and Engineering Research Board, a statutory body of the Department of Science and Technology (DST), Government of India (SERB/F/6890/2017-18).

Conflicts of Interest

The authors have no conflicts of interest to declare.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Amaresh Chandra Panda
    • 1
  1. 1.Institute of Life SciencesBhubaneswarIndia

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