期刊
AGING-US
卷 13, 期 10, 页码 14258-14276出版社
IMPACT JOURNALS LLC
DOI: 10.18632/aging.203042
关键词
osteosarcoma; long non-coding RNA; miR-335-3p; CDK6; proliferation
资金
- National Natural Science Fund of China [81802180]
- Science and Technology Bureau of Kunshan [KS1947]
In this study, it was found that lncRNA LOC100129620 promotes the proliferation and migration of osteosarcoma cells by regulating miR-335-3p and CDK6, thereby promoting the metastasis of osteosarcoma.
Osteosarcoma is a malignant tumor with high mortality in children and adolescents. The mechanism of osteosarcoma metastasis is currently unclear. Abnormal expression of long non-coding RNA (lncRNA) plays an important role in tumor metastasis. We used bioinformatics to analyze the differences in gene expression between osteosarcoma in situ and osteosarcoma lung metastases. CCK-8 was used to detect the effect of lncRNA LOC100129620 on the proliferation of osteosarcoma cells. The effect of LOC100129620 on the invasion of osteosarcoma cells was assessed by Transwell assay. The regulatory effect of LOC100129620 on miR-335-3p was examined using RNA pull-down and luciferase reporter gene assays. The effect of LOC100129620 on the polarization of macrophages was detected by quantitative real-time fluorescent PCR. The results show that LOC100129620 can promote the proliferation and migration of osteosarcoma cells. LOC100129620 can promote the proliferation of osteosarcoma in vivo. LOC100129620 can bind to miR-335-3p and regulate its function. MiR-335-3p mediates the regulatory effects of LOC100129620 on CDK6. LOC100129620 promotes the formation of blood vessels and the polarization of macrophages. The LOC100129620/miR-335-3p/CDK6 signaling pathway promotes the metastasis of osteosarcoma by regulating the proliferation of osteosarcoma cells, angiogenesis, and macrophage polarization.
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