ArticleAnnals of translational medicine2021
Sevoflurane pretreatment regulates abnormal expression of MicroRNAs associated with spinal cord ischemia/reperfusion injury in rats.
Article in Annals of translational medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 9 citations in OpenAlex.
- Sevoflurane suppresses LPS-induced microglia injury by regulating USP11-mediated UHRF1 deubiquitination.Regenerative therapy · 2025Article
- Article
- Sevoflurane pretreatment alleviates hypoxia-reoxygenation-induced myocardial cell injury by upregulating miR-21-5p.Frontiers in cardiovascular medicine · 2025Article
- The Ambivalent Role of miRNA-21 in Trauma and Acute Organ Injury.International journal of molecular sciences · 2024Review
- Sevoflurane Preconditioning Downregulates GRIA1 Expression to Attenuate Cerebral Ischemia-Reperfusion-Induced Neuronal Injury.Neurotoxicity research · 2023Article
- The roles of microRNAs in spinal cord ischemia-reperfusion injury.Neural regeneration research · 2022Review
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSpinal cord ischemia/reperfusion injury (SCII) is one of the most serious spinal cord complications that stem from varied spine injuries or thoracoabdominal aortic surgery. Nevertheless, the molecular mechanisms underlying the SCII remain unclear.
methodsMale Sprague-Dawley (SD) rats were randomly divided into 5 groups of sham, SCII 24 h, SCII 72 h, sevoflurane preconditioning SCII 24 h (SCII 24 h+sevo), and sevoflurane preconditioning SCII 72 h (SCII 72 h+sevo) group. We then analyzed the expression of differentially expressed micro RNAs (DEmiRNAs) in these groups and their target genes. Functional enrichment analysis of their target genes was further performed using Metascape software. The microRNA-messenger RNA-pathway (miRNA-mRNA-pathway) network and the sevoflurane-miRNA-mRNA-pathway integrative network were further constructed to explore the molecular mechanisms underlying SCII and neuroprotective effects of sevoflurane against SCII. Molecular docking was also performed to evaluate the interactions between hub targets and sevoflurane. Finally, the expression levels of miR-21-5p and its target genes [mitogen-activated protein kinase kinase 3 and protein phosphatase 1 regulatory subunit 3B (MAP2K3 and PPP1R3B)] were measured using quantitative reverse transcription polymerase chain reaction (qRT-PCR) and western blot analyses.
resultsWe found that sevoflurane alters several miRNA expression following SCII at 24 and 72 h after reperfusion. It was shown that miR-221-3p, miR-181a-1-3p, and miR-21-5p were upregulated both at 24 and 72 h in the sevoflurane pre-treatment reperfusion groups. Functional enrichment analysis revealed that target genes for the above co-DEmiRNAs at 24 and 72 h in the SCII group with sevoflurane pretreatment participated in the mitogen-activated protein kinase (MAPK), ErbB, apoptosis, and transforming growth factor-beta (TGF-beta) signaling pathways. Both MAP2K3 and PPP1R3B were found to be common targets for sevoflurane and miRNA-mRNA-pathway (rno-miR-21-5p). It was shown that MAP2K3 regulates the MAPK signaling and the T cell receptor signaling pathways, whereas PPP1R3B regulates the ErbB signaling pathway. Molecular docking further revealed that sevoflurane strongly binds the MAP2K3 and PPP1R3B proteins. Compared to the sham group, SCII induced significant under-expression of miR-21-5p but upregulated PPP1R3B and MAP2K3 proteins; sevoflurane pretreatment increased the expression of miR-21-5p but decreased those of PPP1R3B and MAP2K3 proteins.
conclusionsIn general, sevoflurane regulates the expression of several miRNAs following SCII. In particular, sevoflurane might protect against SCII via regulating the expression of miR-21-5p, its target genes (MAP2K3 and PPP1R3B), and related signaling pathways.
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