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Circular RNAs in and out of Cells: Therapeutic Usages of Circular RNAs

期刊

MOLECULES AND CELLS
卷 46, 期 1, 页码 33-40

出版社

KOREAN SOC MOLECULAR & CELLULAR BIOLOGY
DOI: 10.14348/molcells.2023.2170

关键词

biomarkers; circular RNAs; therapeutic molecules; therapeutic targets

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RNAs, versatile molecules primarily involved in gene regulation, could be widely used in therapeutics and diagnostics. Circular RNAs (circRNAs), highly stable in nature, have emerged as strong candidates for next-generation therapeutic platforms. circRNAs control gene regulatory networks through interactions with biomolecules or translation, exhibit cell-type specific expression patterns, and can serve as biomarkers or therapeutic targets in diseases. Additionally, synthetic circRNAs can be introduced into cells to modulate gene expression networks, either identical or artificially designed, showing their potential in therapeutic applications.
RNAs are versatile molecules that are primarily involved in gene regulation and can thus be widely used to advance the fields of therapeutics and diagnostics. In particular, circular RNAs which are highly stable, have emerged as strong candidates for use on next-generation therapeutic platforms. Endogenous circular RNAs control gene regulatory networks by interacting with other biomolecules or through translation into polypeptides. Circular RNAs exhibit cell-type specific expression patterns, which can be altered in tissues and body fluids depending on pathophysiological conditions. Circular RNAs that are aberrantly expressed in diseases can function as biomarkers or therapeutic targets. Moreover, exogenous circular RNAs synthesized in vitro can be introduced into cells as therapeutic molecules to modulate gene expression networks in vivo. Depending on the purpose, synthetic circular RNA sequences can either be identical to endogenous circular RNA sequences or artificially designed. In this review, we introduce the life cycle and known functions of intracellular circular RNAs. The current stage of endogenous circular RNAs as biomarkers and therapeutic targets is also for therapeutic purposes are presented.

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