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20(S)-原人参二醇对胃癌细胞增殖活性及细胞凋亡的影响

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摘要 目的探讨20(S)-原人参二醇(Ppd)抑制肿瘤生长和促进肿瘤细胞凋亡的作用及其机制。方法建立胃癌动物模型,将实验动物分为5组:对照组、环磷酰胺组、Ppd 25、50、100 mg/kg给药组,给药4 w后处死动物,测定肿瘤的重量和体积并做组织切片进行原位末端标记染色(TUNEL)。结果 Ppd给药组肿瘤细胞增殖活性降低,其肿瘤体积、重量均较对照组减小(P<0.01),TUNEL结果显示Ppd 100 mg/kg给药组细胞凋亡数量与对照组之间存在显著性差异(P<0.01)。结论 Ppd具有抑制肿瘤细胞增殖的作用,其作用的机制可能是促进肿瘤细胞凋亡。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2011年第5期846-847,共2页 Chinese Journal of Gerontology
基金 吉林省科技厅资助项目(200705018)
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