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lncRNA MNX1-AS1 Promotes Glioblastoma Progression Through Inhibition of miR-4443

Yan Gao, Yongchuan Xu, Jue Wang, Xue Yang, Lulu Wen, Juan Feng

Department of Neurology, Shengjing Hospital, Affiliated Hospital of China Medical University, Shenyang, P.R. China

Oncology Research 2019, 27(3), 341-347. https://doi.org/10.3727/096504018X15228909735079

Abstract

Long noncoding RNAs (lncRNAs) have been acknowledged as important regulators in various human cancers. lncRNA MNX1-AS1 has been shown to be an oncogene in epithelial ovarian cancer. However, the function of MNX1-AS1 in glioblastoma (GBM) remains largely unknown. Here we found that the expression of MNX1-AS1 was significantly upregulated in GBM tissues and cell lines. Knockdown of MNX1-AS1 significantly inhibited the proliferation, migration, and invasion of GBM cells. In terms of mechanism, we found that MNX1-AS1 could bind to miR-4443 in GBM cells. Overexpression of miR-4443 significantly inhibited the expression of MNX1-AS1 and vice versa. Moreover, there was an inverse correlation between the expression levels of MNX1-AS1 and miR-4443 in GBM tissues. We found that overexpression of miR-4443 inhibited the proliferation, migration, and invasion of GBM cells. We also showed that inhibition of miR-4443 reversed the effects of MNX1-AS1 knockdown on GBM cell proliferation, migration, and invasion. Taken together, we found that MNX1-AS1 promoted the proliferation, migration, and invasion of GBM cells through inhibiting miR-4443.

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Cite This Article

Gao, Y., Xu, Y., Wang, J., Yang, X., Wen, L. et al. (2019). lncRNA MNX1-AS1 Promotes Glioblastoma Progression Through Inhibition of miR-4443. Oncology Research, 27(3), 341–347. https://doi.org/10.3727/096504018X15228909735079



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