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Int J Biol Sci 2014; 10(9):997-1006. doi:10.7150/ijbs.9058

Review

microRNAs in Spinal Cord Injury: Potential Roles and Therapeutic Implications

Bin Ning1,2, Lu Gao3, Rong-Han Liu1,3, Yang Liu3, Na-Sha Zhang3, Zhe-Yu Chen2 ✉

1. Department Spinal Surgery, Jinan Central Hospital affiliated to Shandong University, Jinan, Shandong, China;
2. Department of Neurobiology, Shandong Provincial Key Laboratory of Mental Disorders, School of Medicine, Shandong University, Jinan, Shandong, China;
3. School of Medicine, Shandong University, Jinan, Shandong, China.

Abstract

microRNAs (miRNAs) are a novel class of small non-coding RNAs that negatively regulate gene expression at the post-transcriptional level. miRNAs can modulate gene expression and thus play important roles in diverse neurobiological processes, such as cell differentiation, growth, proliferation and neural activity, as well as the pathogenic processes of spinal cord injury (SCI) like inflammation, oxidation, demyelination and apoptosis. Results from animal studies have revealed the temporal alterations in the expression of a large set of miRNAs following SCI in adult rats, and the expressional changes in miRNAs following SCI is bidirectional (increase or decrease). In addition, several miRNAs have distinct roles in prognosis of SCI (protective, detrimental and varied). Taken together, the existing evidence suggests that abnormal miRNA expression following SCI contributes to the pathogenesis of SCI, and miRNAs may become potential targets for the therapy of SCI.

Keywords: microRNA, spinal cord injury, therapy, diagnosis.

This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY-NC) License. See http://ivyspring.com/terms for full terms and conditions.
How to cite this article:
Ning B, Gao L, Liu RH, Liu Y, Zhang NS, Chen ZY. microRNAs in Spinal Cord Injury: Potential Roles and Therapeutic Implications. Int J Biol Sci 2014; 10(9):997-1006. doi:10.7150/ijbs.9058. Available from http://www.ijbs.com/v10p0997.htm