期刊
CELLULAR SIGNALLING
卷 83, 期 -, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cellsig.2021.109985
关键词
Osteosarcoma; LINC01614; miR-520a-3p; Regulatory network; ceRNA
类别
资金
- National Natural Science Foundation of China [31972921, 81320108025]
- Program of Jilin Provincial Health Department [3D517DS63429]
- Bethune Project of Jilin University [2020B09]
The study identified that LINC01614 is significantly upregulated in osteosarcoma tissues and promotes the proliferation and invasion activities of osteosarcoma cells through the miR-520a-3p/SNX3 axis.
Long noncoding RNAs (lncRNAs) have been reported as essential regulators in osteosarcoma (OS), the most malignant bone tumor usually observed in children and adolescents. In the present study, we detected differentially expressed lncRNAs among OS tissues through RNA-sequencing. Then through bioinformatics analysis, we constructed the aberrant lncRNAs regulatory networks, and detected the key-lncRNAs. We identified LINC01614 was most significantly up-regulated among OS tissues, which was positively correlated with the worse prognosis. Through related in vitro experiments, we confirmed that knockdown of LINC01614 could inhibit the proliferation, invasion, and metastasis activities of OS cells. Furthermore, we identified LINC01614 may promote the proliferation and invasion activities of OS cells, via binding miR-520a-3p and increase the expression of SNX3. In conclusion, we identified lncRNAs participate in various malignant behaviors in OS. We also proved that LINC01614 could function as competing endogenous RNAs and promote the proliferation, and invasion of OS cells through miR-520a-3p/SNX3 axis, and thus acts as a novel prognostic marker for OS in clinic.
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