Ghrelin联合三氧化二砷对骨髓间充质干细胞增殖与成骨分化的影响

被引:4
作者
周刘涛
朱雪敏
邓雯
机构
[1] 河南科技大学动物科技学院
关键词
骨髓间充质干细胞; Ghrelin; 三氧化二砷; 增殖; 成骨分化;
D O I
暂无
中图分类号
R329.2 [人体细胞学];
学科分类号
100107 [人体解剖与组织胚胎学(人体解剖学、组织与胚胎学)];
摘要
该文主要探究Ghrelin对三氧化二砷(As2O3)导致的骨髓间充质干细胞(BMSCs)增殖和成骨分化的影响。BMSCs设为对照组、As2O3组、Ghrelin组和联合(As2O3+Ghrelin)组。MTT法检测细胞增殖能力;成骨诱导的第7天和第14天,Real-time PCR及Western blot分别检测成骨相关因子OPN、ALP、RUNX2的mRNA及蛋白表达;第21天,茜素红染色分析钙盐沉积情况。结果显示,细胞增殖能力Ghrelin组>对照组>联合组>As2O3组。与对照组比,As2O3组各因子表达均显著下调(P<0.05),Ghrelin组第14天OPN蛋白表达无显著变化,其余因子均上调(P<0.05);联合组与As2O3组比,第14天OPN基因表达和第7天ALP蛋白表达无显著差异,其余均显著上调(P<0.05)。钙盐沉积:Ghrelin组>对照组>联合组>As2O3组。提示0.5 μmol/L As2O3 抑制BMSCs增殖和成骨分化,600 ng/mL Ghrelin增强细胞增殖和成骨分化;且Ghrelin能减弱As2O3导致的BMSCs增殖和成骨分化抑制作用。
引用
收藏
页码:256 / 262
页数:7
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