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Sevoflurane impedes glioma progression via regulating circ_0000215/miR-1200/NCR3LG1 axis

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Abstract

Sevoflurane has been reported to have anti-tumorigenic effects in glioma. Circ_0000215 was found to play vital functions in the pathological progressions of glioma. However, whether circ_0000215 mediates the inhibitory effects of sevoflurane on glioma cells remains unclear. In vitro assays were performed using cell counting kit-8, flow cytometry, transwell and Western blot assays. The expression levels of circ_0000215, microRNA (miR)-1200 and NCR3LG1 (Natural Killer Cell Cytotoxicity Receptor 3 Ligand 1) were detected using quantitative real-time polymerase chain reaction (qRT-PCR) and/or Western blot. The dual-luciferase reporter assay and pull-down assay were used to investigate the relationship between miR-1200 and circ_0000215 or NCR3LG1. In vivo assay was conducted using xenograft nude mice model. In vitro assays suggested that sevoflurane repressed glioma cell proliferation, metastasis and induced apoptosis as well as hindered tumor growth in vivo, which were reversed by circ_0000215 overexpression. Mechanically, circ_0000215 was confirmed to directly target miR-1200, and NCR3LG1 was a target of miR-1200 in glioma cells. Importantly, circ_0000215 could regulate NCR3LG1 expression via miR-1200. Besides that, rescue assay suggested that circ_0000215 attenuated the inhibitory effects of sevoflurane on glioma cell growth and metastasis, which were reversed by miR-1200 overexpression or NCR3LG1 knockdown. Our study revealed that sevoflurane could suppress glioma tumorigenesis by regulating circ_0000215/miR-1200/NCR3LG1 axis, suggesting a new insight into the therapeutic potential of sevoflurane in glioma treatment.

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Contributions

Zhitao Zhao conceived and designed the experiments, performed the experiments and analyzed and interpreted the data, wrote the paper. Baofeng Gao analyzed interpreted the data, performed the experiments. Xiaoling Zong and Ruiming Gao performed the experiments and analyzed the data. All authors read and approved the final manuscript.

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Correspondence to Ruiming Gao.

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The research related to animals’ use has been complied with all the relevant national regulations and institutional policies for the care and use of animals. The animal studies were allowed by the Ethics Committee of Animal Research of Shandong Provincial Third Hospital.

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The authors declare that they have no financial conflicts of interest.

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Zhao, Z., Gao, B., Zong, X. et al. Sevoflurane impedes glioma progression via regulating circ_0000215/miR-1200/NCR3LG1 axis. Metab Brain Dis 36, 2003–2014 (2021). https://doi.org/10.1007/s11011-021-00817-1

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  • DOI: https://doi.org/10.1007/s11011-021-00817-1

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