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亚砷酸钠对角质形成细胞增殖力和细胞周期的影响 被引量:3

Effect of sodium arsenite on the proliferation and cell cycle of keratogenetic cells
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摘要 目的 研究不同浓度亚砷酸钠 (NaAsO2 )对人皮肤永生化角质形成细胞 (HaCaT)增殖活力及细胞周期的影响。方法 以体外培养的HaCaT细胞株为对象 ,用不同浓度的NaAsO2 处理细胞 ,用AlamarBlue摄入法定量检测细胞增殖情况 ,用流式细胞仪测定细胞周期分布。结果 NaAsO2 浓度小于 10 μmol L时 ,AlamarBlue的还原率明显高于对照组 ,差异有显著性 (P <0 .0 5 ) ,5 0 μmol L时 ,还原率明显下降 ,差异有显著性 (P <0 .0 5 ) ;10 μmol L组G0 G1 期比例减少 ,S期和G2 M期比例增高。各组凋亡率差异无显著性 (P >0 .0 5 )。结论 低浓度NaAsO2 可促进HaCaT细胞的增殖 ,高浓度可抑制其增殖活力 ;一定浓度的NaAsO2 可使合成期细胞增多。
出处 《中华劳动卫生职业病杂志》 CAS CSCD 北大核心 2004年第3期219-220,共2页 Chinese Journal of Industrial Hygiene and Occupational Diseases
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