Characterization of novel lnc RNAs in the spinal cord of rats with lumbar disc herniation

Journal of Pain Research
Qianliang WangJun Yan

Abstract

Radicular pain, caused by a lesion or autologous nucleus pulposus (NP) implantation, is associated with alteration in gene expression of the pain-signaling pathways. lncRNAs have been shown to play critical roles in neuropathic pain. However, the mechanistic function of lncRNAs in lumbar disc herniation (LDH) remains largely unknown. Identifying different lncRNA expression under sham and NP-implantation conditions in the spinal cord is important for understanding the molecular mechanisms of radicular pain. LDH was induced by implantation of autologous nucleus pulposus (NP), harvested from rat tail, in lumbar 5 and 6 spinal nerve roots. The mRNA and lncRNA microarray analyses demonstrated that the expression profiles of lncRNAs and mRNAs between the LDH and sham groups were markedly altered at 7 days post operation. The expression patterns of several mRNAs and lncRNAs were further proved by qPCR. LDH produced persistent mechanical and thermal hyperalgesia. A total of 19 lncRNAs was differentially expressed (>1.5-folds), of which 13 was upregulated and 6 was downregulated. In addition, a total of 103 mRNAs was markedly altered (>1.5-folds), of which 40 was upregulated and 63 downregulated. Biological analyses of these mRNAs furth...Continue Reading

Citations

Sep 14, 2019·International Journal of Molecular Sciences·Ehsan RazmaraSadegh Babashah

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Methods Mentioned

BETA
PCR
electrophoresis

Software Mentioned

Extraction
GraphPad Prism
Treeview
UCSC Genome Browser
SPSS
Cluster
Java

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