氯化镉对小鼠骨髓间充质干细胞微核率和染色体畸变率的影响

被引:5
作者
刘永琦 [1 ,2 ]
达瑞 [1 ]
窦娟娟 [1 ]
苏菊萍 [1 ]
颜春鲁 [1 ]
机构
[1] 甘肃中医学院
[2] 甘肃省中药药理与毒理学省级重点实验室中西医结合基础室
关键词
骨髓间充质干细胞; 氯化镉; 微核率; 染色体畸变率; 干细胞;
D O I
暂无
中图分类号
R114 [卫生毒理];
学科分类号
100405 ;
摘要
背景:氯化镉对骨髓间充质干细胞遗传方面影响的研究暂无报道。目的:观察化学毒性物质氯化镉对骨髓间充质干细胞微核率和染色体畸变率的影响。方法:贴壁培养小鼠骨髓间充质干细胞细胞株,显微镜下观察空白对照组及氯化镉诱导组骨髓间充质干细胞的形态学变化,微核实验检测两组微核率,染色体分析检测两组染色体畸变率。结果与结论:显微镜下观察,空白对照组细胞呈成纤维细胞样贴壁生长,胞体透亮,折光性强;氯化镉诱导组细胞呈凸起回缩,细胞变小、变圆,贴壁不牢,悬浮细胞增多。与空白对照组比较,氯化镉诱导组骨髓间充质干细胞微核发生率和染色体畸变率均显著增加(P<0.05)。提示氯化镉可引起小鼠骨髓间充质干细胞遗传物质的损伤。
引用
收藏
页码:7612 / 7616
页数:5
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