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MicroRNAs in contusion spinal cord injury: pathophysiology and clinical utility

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Abstract

Spinal cord injury (SCI) in humans is a common central nervous system trauma. Pathophysiologically, SCI involves both primary and secondary damages. Therapeutically, targeting secondary damage including inflammation, neuropathic pain, apoptosis, demyelination, and glial reaction to promote functional benefits for SCI patients has long been considered a potential treatment strategy by neuroscientists and clinicians. As a type of small non-coding RNA, microRNAs (miRNAs) have been shown to play essential roles in the regulation of pathophysiologic processes of SCI and are considered to be an effective treatment method for SCI. Dysregulated expression of miRNAs is observed in SCI patients and animal models of SCI. Furthermore, miRNAs might also be used as biomarkers for diagnostic and prognostic purposes in SCI. Given contusion injury is the most clinically relevant type of SCI, this review mainly focuses on the role of miRNAs in the pathophysiology of contusion SCI and the putative utilization of miRNAs as diagnostic biomarkers and therapeutic targets for contusion SCI.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant number 81261120563).

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FL conceived the content and wrote the critical review. MZ provided the ideas and supervised the work. Both authors read and approved the final version of the manuscript.

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Correspondence to Mou-Wang Zhou.

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Li, F., Zhou, MW. MicroRNAs in contusion spinal cord injury: pathophysiology and clinical utility. Acta Neurol Belg 119, 21–27 (2019). https://doi.org/10.1007/s13760-019-01076-9

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