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β-catenin降低外源性hS100A6对骨肉瘤细胞的抑制作用

, PP. 1703-1707

Keywords: β-catenin,SA,生物学作用,骨肉瘤

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Abstract:

目的研究外源性hS100A6抑制骨肉瘤细胞作用与Wnt/β-catenin信号途径的关系。方法用携带人β-catenin及其siRNA基因的重组腺病毒Adβ-catenin和AdSiβ-catenin分别上调和下调MG63和U2OS细胞中β-catenin水平,再用重组hS100A6处理这些细胞,然后通过MTT法检测细胞增殖能力的变化,Hochest染色法检测细胞凋亡的变化,划痕愈合实验和Transwell实验检测细胞迁移能力的变化。结果①外源性hS100A6抑制2株骨肉瘤细胞的增殖(P<0.05);β-catenin过表达和低表达则分别减弱和增强hS100A6对这2株细胞的增殖抑制作用(P<0.05);②外源性hS100A6促进2株骨肉瘤细胞的凋亡(P<0.05);β-catenin过表达和低表达则分别增强和减弱hS100A6对这2株细胞的促凋亡作用(P<0.05);③外源性hS100A6抑制骨肉瘤细胞株MG63的迁移(P<0.05);β-catenin过表达和低表达则分别减弱和增强hS100A6对MG63的迁移抑制作用(P<0.05)。结论β-catenin负性调节hS100A6对骨肉瘤的抑制作用;hS100A6对骨肉瘤的抑制作用可能经由Wnt信号途径及其他信号途径共同调控。

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