期刊
CELL DEATH & DISEASE
卷 12, 期 5, 页码 -出版社
SPRINGERNATURE
DOI: 10.1038/s41419-021-03743-3
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资金
- AIRC IG 2017 [20613]
- fondazione AIRC under 5 per mille 2019 [22759]
- Lazio Innova/Regione Lazio
- MAECI Italy/USA bilateral grant program
- Alliance Against Cancer (ACC)
- European Research Council
- Israel Science Foundation
- Israel Cancer Research Fund
- Dr. Miriam and Sheldon G. Adelson Medical Research Foundation
Circular RNAs (circRNAs) are a unique class of endogenous RNAs characterized by a covalent loop structure, high stability, and tissue specificity. Their main mode of action is sponging microRNAs, but they may also have the ability to bind specific proteins and encode short proteins. CircRNAs play various functional roles in human diseases, serving as potential biomarkers due to their stable nature and remarkable tissue specificity.
Circular RNAs (circRNAs) are a class of endogenous RNAs characterized by a covalent loop structure. In comparison to other types of RNAs, the abundance of circRNAs is relatively low but due to the circular configuration, their stability is very high. In addition, circRNAs display high degree of tissue specificity. The sponging activity of circRNAs toward microRNAs is the best-described mode of action of circRNAs. However, the ability of circRNAs to bind with specific proteins, as well as to encode short proteins, propose alternative functions. This review introduces the biogenesis of circRNAs and summarizes the roles played by circRNAs in human diseases. These include examples of their functional roles in several organ-specific cancers, such as head and neck and breast and lung cancers. In addition, we review potential functions of circRNAs in diabetes, cardiovascular, and neurodegenerative diseases. Recently, a growing number of studies have demonstrated involvement of circRNAs in a wide spectrum of signaling molecular pathways, but at the same time many different and controversial views on circRNAs role and function are emerging. We conclude by offering cellular homeostasis generated by networks comprising circular RNAs, other non-coding RNAs and RNA-binding proteins. Accordingly, it is predictable that circRNAs, due to their highly stable nature and remarkable tissue specificity, will emerge as reliable biomarkers of disease course and treatment efficacy.
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