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Current perspectives on the clinical implications of oxidative RNA damage in aging research: challenges and opportunities

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Abstract

Ribonucleic acid (RNA) molecules can be easily attacked by reactive oxygen species (ROS), which are produced during normal cellular metabolism and under various oxidative stress conditions. Numerous findings report that the amount of cellular 8-oxoG, the most abundant RNA damage biomarker, is a promising target for the sensitive measurement of oxidative stress and aging-associated diseases, including neuropsychiatric disorders. Most importantly, available data suggest that RNA oxidation has important implications for various signaling pathways and gene expression regulation in aging-related diseases, highlighting the necessity of using combinations of RNA oxidation adducts in both experimental studies and clinical trials. In this review, we primarily describe evidence for the effect of oxidative stress on RNA integrity modulation and possible quality control systems. Additionally, we discuss the profiles and clinical implications of RNA oxidation products that have been under intensive investigation in several aging-associated medical disorders.

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Funding

This work was supported by the National Natural Science Foundation of China (81703036, 81803035), the China Postdoctoral Science Foundation (2017M610510), and the Natural Science Foundation of Hunan Province, China (2019JJ50932).

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Conception and design: ZJ Xu, JZ Huang, M Gao, GJ Guo, SS Zeng, X Chen, X Wang, and ZC Gong. Writing, review, and/or revision of the manuscript: ZJ Xu and YL Yan. Administrative, technical, or material support: X Wang and SS Zeng.

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Correspondence to Yuanliang Yan.

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The authors declare that they have no conflict of interest.

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Xu, Z., Huang, J., Gao, M. et al. Current perspectives on the clinical implications of oxidative RNA damage in aging research: challenges and opportunities. GeroScience 43, 487–505 (2021). https://doi.org/10.1007/s11357-020-00209-w

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  • DOI: https://doi.org/10.1007/s11357-020-00209-w

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