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MicroRNA-342-3p Inhibits the Proliferation, Migration, and Invasion of Osteosarcoma Cells by Targeting Astrocyte-Elevated Gene-1 (AEG-1)

Shaokun Zhang*, Lidi Liu*, Zhenshan Lv*, Qiao Li*, Weiquan Gong*, Hong Wu

* Department of Spine Surgery, The First Hospital of Jilin University, Changchun, P.R. China
† Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, P.R. China

Oncology Research 2017, 25(9), 1505-1515. https://doi.org/10.3727/096504017X14886485417426

Abstract

Recent studies suggest that microRNAs (miRNAs) are critical regulators in many types of cancer, including osteosarcoma. miR-342-3p has emerged as an important cancer-related miRNA in several types of cancers. However, the functional significance of miR-342-3p in osteosarcoma is unknown. The aims of this study were to investigate whether miR-342-3p is dysregulated in osteosarcoma and to explore the biological function of miR-342-3p in regulating cellular processes of osteosarcoma cells. We found that miR-342-3p expression was significantly decreased in osteosarcoma tissues and cell lines. Overexpression of miR-342-3p inhibits the proliferation, migration, and invasion of osteosarcoma cells. In contrast, the inhibition of miR-342-3p exhibited the opposite effect. Astrocyte-elevated gene-1 (AEG-1) was identified as one of the target genes of miR-342-3p in osteosarcoma cells by bioinformatics analysis, dual-luciferase reporter assay, real-time quantitative polymerase chain reaction, and Western blot analysis. Overexpression of miR-342-3p also inhibited the Wnt and nuclear factor kB signaling pathways. Moreover, overexpression of AEG-1 partially rescued the inhibitory effects of miR-342-3p mediated on the proliferation, migration, and invasion of osteosarcoma cells. Overall, our results show that miR-342-3p inhibits the proliferation, migration, and invasion of osteosarcoma cells through targeting AEG-1, suggesting a potential target for the development of miRNA-based therapy for osteosarcoma.

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APA Style
Zhang, S., Liu, L., Lv, Z., Li, Q., Gong, W. et al. (2017). Microrna-342-3p inhibits the proliferation, migration, and invasion of osteosarcoma cells by targeting astrocyte-elevated gene-1 (AEG-1). Oncology Research, 25(9), 1505-1515. https://doi.org/10.3727/096504017X14886485417426
Vancouver Style
Zhang S, Liu L, Lv Z, Li Q, Gong W, Wu H. Microrna-342-3p inhibits the proliferation, migration, and invasion of osteosarcoma cells by targeting astrocyte-elevated gene-1 (AEG-1). Oncol Res. 2017;25(9):1505-1515 https://doi.org/10.3727/096504017X14886485417426
IEEE Style
S. Zhang, L. Liu, Z. Lv, Q. Li, W. Gong, and H. Wu "MicroRNA-342-3p Inhibits the Proliferation, Migration, and Invasion of Osteosarcoma Cells by Targeting Astrocyte-Elevated Gene-1 (AEG-1)," Oncol. Res., vol. 25, no. 9, pp. 1505-1515. 2017. https://doi.org/10.3727/096504017X14886485417426



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