微小RNA-181对骨肉瘤细胞增殖、凋亡的影响及分子机制

微小RNA-181对骨肉瘤细胞增殖、凋亡的影响及分子机

制

丁帅;张广泉;高延征;陈书连;曹臣

【期刊名称】《中华实验外科杂志》 【年(卷),期】2024(035)001

【摘要】Objective To investigate the effect of microRNA (miRNA,miR)-181 on osteosar coma cell proliferation and apoptosis and its molecular mechanism.Methods Expression of miR-181 in hmnan osteosarcoma tissues and corresponding normal tissues,normal osteoblast NHOst and osteosarcoma cell lines were detected by Quantitative polymerase chain reaction (qPCR).miR-181 mimics and NC-miRNA were transfected into MG63 or U2OS cells,then CCK-8 assay was used to detect MG63 and U2OS cells proliferation;cell clone formation assay was used to examine the ability of cell cloning;flow cy tometry was performed to determine cell cycles,and the expression of MAP3K10 were detected using Western blotting.The target site of miR-181 was predicted by TargetScan,and was further confirmed by lucif erase activity assay.Further,miR-181 mimics and LV-MAP3K10 were co-transfected into MG63 or U2OS cells,then cells

proliferation,colony

formation,and

invasion

were

all

determined.Results Compared with normal tissues,the expression of miR-181 in osteosarcoma decreased (tnormal tissue =5.487,Pmormal tissue =0.009),compared with osteoblast NHOst,the expression of miR-