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Linc00475 通过调控 miR-141-3p/YAP1 轴促进胶质瘤的进展。

Linc00475 promotes the progression of glioma by regulating the miR-141-3p/YAP1 axis.

机构信息

Department of Neurosurgery, Shengjing Hospital of China Medical University, Shenyang, China.

Gamma Knife Center, Shengjing Hospital of China Medical University, Shenyang, China.

出版信息

J Cell Mol Med. 2021 Jan;25(1):463-472. doi: 10.1111/jcmm.16100. Epub 2020 Dec 18.

Abstract

Glioma is the most prevalent and lethal primary brain tumour. Abundant long non-coding RNAs ( lncRNAs) are aberrant and play crucial roles in the oncogenesis of glioma. The exact functions of linc00475 in glioma remain blurred. Here, we analysed the expression levels of linc00475 by qRT-PCR and discovered that linc00475 was up-regulated in glioma and predicted a poor prognosis in patients with glioma. Besides, inhibiting linc00475 restrained the progression of glioma in vitro and in vivo. Further experiments confirmed that linc00475 regulated the progression of glioma by acting as a sponge for miR-141-3p. Moreover, we detected the binding sites of linc00475 and miR-141-3p, the YAP1- 3'UTR and miR-141-3p by luciferase reporters. The rescue assays confirmed that inhibiting linc00475 restrained the progression of glioma through the miR-141-3p/YAP1 pathway. Collectively, our research demonstrates the key roles of linc00475 in glioma, which could be a promising therapeutic target.

摘要

神经胶质瘤是最常见和最致命的原发性脑肿瘤。大量长链非编码 RNA(lncRNA)异常表达,在神经胶质瘤的发生中发挥着关键作用。lnc00475 在神经胶质瘤中的确切功能仍不清楚。在这里,我们通过 qRT-PCR 分析了 linc00475 的表达水平,发现 linc00475 在神经胶质瘤中上调,并预测神经胶质瘤患者预后不良。此外,抑制 linc00475 可抑制神经胶质瘤在体外和体内的进展。进一步的实验证实,linc00475 通过作为 miR-141-3p 的海绵来调节神经胶质瘤的进展。此外,我们通过荧光素酶报告检测了 linc00475 和 miR-141-3p、YAP1-3'UTR 和 miR-141-3p 的结合位点。挽救实验证实,抑制 linc00475 通过 miR-141-3p/YAP1 通路抑制神经胶质瘤的进展。总之,我们的研究表明 linc00475 在神经胶质瘤中具有重要作用,可能是一种有前途的治疗靶点。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bdb4/7810941/f223ebd71bdf/JCMM-25-463-g001.jpg

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