Home HOME Neoplasma 2020 Neoplasma Vol.67, No.5, p.1054–1062, 2020

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ISSN 0028-2685
ISSN 1338-4317 (online)

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Neoplasma Vol.67, No.5, p.1054–1062, 2020

Title: LncRNA SNHG4 promotes neuroblastoma proliferation, migration, and invasion by sponging miR-377-3p
Author: H. Yang, J. F. Guo, M. L. Zhang, A. M. Li

Abstract: Long non-coding RNAs (lncRNAs) have been demonstrated to act as essential regulators in the growth and progression of neuroblastoma. In the present research, the high expression of lncRNA small nucleolar RNA host gene 4 (SNHG4) in neuroblastoma was tested via quantitative reverse transcription-polymerase chain reaction (qRT-PCR), and then the function of SNHG4 was explored and verified by CCK-8 assay, EdU assay, cell cycle assay, cell apoptosis test, wound healing test, and invasion test in neuroblastoma cell lines. It was discovered that lncRNA SNHG4 exhibited high expression in neuroblastoma tissues and cell lines, and the expression of SNHG4 was associated with the survival of neuroblastoma patients. Additionally, SNHG4 decrement markedly repressed neuroblastoma cells to proliferate and stimulate their apoptosis in vivo and in vitro. Moreover, SNHG4 decrement impeded the abilities of SH-SY5Y and IMR-32 cells to migrate and invade as well as epithelial-mesenchymal transition (EMT). In mechanism, we found that SNHG4 acted as a competing endogenous RNA to sponge miR-377-3p, which was downregulated in neuroblastomas and inhibited cell proliferation and invasion. The findings manifested that SNHG4 was inversely associated with miR-377-3p expression in neuroblastoma cases. Collectively, we revealed the functions of SNHG4 and miR-377-3p in neuroblastoma.

Keywords: SNHG4, miR-377-3p, proliferation, neuroblastoma, invasion
Published online: 01-Jul-2020
Year: 2020, Volume: 67, Issue: 5 Page From: 1054, Page To: 1062

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