不同频率振动应力对破骨细胞特异性基因及骨保护素/核因子κB受体活化因子配体表达的影响

被引:8
作者
陈国仙 [1 ,2 ]
陈建庭 [1 ]
黄文华 [3 ]
郑帅 [1 ]
王国荣 [2 ]
林宗锦 [2 ]
李国山 [2 ]
机构
[1] 南方医科大学南方医院脊柱骨科
[2] 福建省莆田市第一医院骨科
[3] 南方医科大学临床解剖学研究所
关键词
振动应力; RAW264.7细胞; 分化; 破骨细胞; 骨保护素; 骨质疏松;
D O I
暂无
中图分类号
R580 [];
学科分类号
摘要
目的:观察不同频率振动应力对RAW264.7细胞体外诱导分化过程中,其特异性基因及骨保护素(OPG)/核因子κB受体活化因子配体(RANKL)表达的影响。方法:应用复合振动仪,将不同频段3—10Hz、15—35Hz、35—45Hz、50—70Hz和70—90Hz振动应变分别作用于体外诱导分化的RAW264.7细胞,分别为B、C、D、E、F组,未进行振动干预组为A组,振动应变加载3天和6天时,应用RT-PCR方法检测破骨细胞特异性基因(TRAP、MMP-9和CATK)与OPG/RANKL的表达水平。结果:不同振动频率组破骨细胞特异性基因表达水平逐渐减低,同时B、C、D组逐渐上调OPG基因表达,而RANKL基因的表达逐渐下调。结论:不同频率振动应力均抑制RAW264.7细胞向成熟破骨细胞增殖分化。
引用
收藏
页码:99 / 103
页数:5
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