期刊
CELL CYCLE
卷 18, 期 20, 页码 2727-2741出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15384101.2019.1656478
关键词
LncRNA SBF2-AS1; MicroRNA-30a; Forkhead box A1; osteosarcoma; proliferation; migration; invasion; apoptosis
类别
资金
- Natural Science Foundation of Jiangxi Province [20114BAB205044]
- National Natural Science Foundation of China [81160184, 81960336]
Objectives: Long noncoding RNA (lncRNA) SBF2-AS1 was found to be related to some tumors. Nevertheless, the role of SBF2-AS1 in osteosarcoma (OS) is still needed to be elaborated. This study is conducted to examine the expression of lncRNA SBF2-AS1 in OS with the involvement of microRNA-30a (miR-30a) and FOXA1. Methods: OS tissues and its corresponding adjacent normal tissues were obtained for the detection of SBF2-AS1 expression and its relations with clinical phenotypes. OS cells with most significant expression of SBF2-AS1 were selected for subsequent experiments. Moreover, a series of experiments were performed to detect proliferation, invasion, migration, colony formation, cell cycle distribution and apoptosis of OS cells. Furthermore, the binding site between SBF2-AS1 and miR-30a as well as between miR-30a and FOXA1 was verified. Results: SBF2-AS1 was overexpressed in tissues and cells of OS. Additionally, silencing of SBF2-AS1 and miR-30a overexpression inhibited the proliferation, migration and invasion of OS cells and promoted their apoptosis. Moreover, lncRNA SBF2-AS1 regulated miR-30a by serving as a ceRNA, thus promoting FOXA1 expression. Furthermore, interfered SBF2-AS1 or upregulated miR-30a restrained the growth of OS. Conclusion: Our study confirms that silencing of SBF2-AS1 represses proliferation, migration and invasion of OS cells and promotes their apoptosis by binding to miR-30a and inhibiting FOXA1 expression.
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