摘要
目的 为寻找人参中抑制骨肉瘤细胞增殖的活性成分。方法 采用细胞计数法检测了 2 7种从人参中得到的单体化合物对体外培养的人体骨肉瘤细胞 U2 OS增殖的影响 ;以流式细胞术分析 DNA含量 ,选择有抑制肿瘤细胞增殖作用的化合物对肿瘤细胞的细胞增殖周期的变化进行研究 ;另外 ,以荧光染色法检测了人参皂苷对细胞死亡率变化的影响。结果 对骨肉瘤细胞增殖的抑制作用研究表明 ,在 5 μmol/ L 浓度下 ,人参皂苷 - Ro,- Rh1 ,- Rh2 ,- F1 和 - L8较明显地抑制了肿瘤细胞的增殖 ,人参皂苷 - Rg1 ,- F3,- Rf,PPT和 PT显著地抑制了肿瘤细胞的增殖 ;进一步对骨肉瘤细胞有抑制作用的化合物检测其对细胞增殖周期影响发现 :人参皂苷 - Ro,- Rf,- Rg1 ,- F1 ,- Rh2 ,PPT和 PT使处于 G0 / G1 期的细胞数目明显增多 ,伴随着 S期和 G2 + M期的细胞明显减少 ,说明这些化合物抑制了肿瘤细胞增殖周期的进行 ;与对照相比人参皂苷 - Rf1 ,- Rg1 ,- F1 和 PPT显著地促进了肿瘤细胞的细胞死亡现象。结论人参皂苷是通过阻止细胞增殖周期的 G0 / G1 期或促使细胞死亡两种方式抑制了肿瘤细胞 U2
Object To find out which of the 27 ginsenosides isolated from Panax ginseng C A Mey that may inhibit the proliferation of human osteosarcoma cell line U 2OS Methods Effects of each individual ginsenoside on the proliferation of U 2OS cell were studied by determining the viability of cancer cells during culture with or without the presence of the test compound DNA assay was determined by flow cytometry Results Ginsonosides Ro, Rh 1, Rh 2, F 1 and L 8 at concentrations of 5 μmol/L could obviously suppress the proliferation of U 2OS cells while ginsenosides Rg 1, F 3, Rf, PPT and PT significantly inhibited the cancer cells Flow cytometry revealed that ginsenosides Ro, Rg 1, Rf, F 1, Rh 2 ,PPT and PT induced cell cycle arrest at G 0/G 1 phase with obvious decrease of cell count at S and G 2+M phase Moreover, ginsenosides Rf 1, Rg 1, F 1 and PPT induced significantly high rates of cell death as compared with the control Conclusion These data suggested that ginsenosides inhibited U 2OS proliferation via cell cycle arrest or induction of cell death
出处
《中草药》
CAS
CSCD
北大核心
2001年第3期232-236,共5页
Chinese Traditional and Herbal Drugs
