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中国临床药理学与治疗学 ›› 2011, Vol. 16 ›› Issue (4): 361-365.

• 基础研究 •    下一篇

人参皂苷Rg1对人胃癌BGC-823的抑制作用研究

赵保胜1, 刘洋2, 徐暾海2   

  1. 1北京中医药大学科研实验中心,北京 100029;
    2北京中医药大学中药学院,北京 100102
  • 收稿日期:2011-03-21 修回日期:2011-04-06 发布日期:2011-06-22
  • 通讯作者: 徐暾海,男,副教授,研究方向:中药活性成分及质量控制。
  • 作者简介:赵保胜,男,博士,讲师,研究方向:中药药效与物质基础。Tel: 010-64286291 E-mail: zhaobs1973@163.com
  • 基金资助:
    教育部科学技术研究重点项目(108132);北京市教育委员会共建项目

Inhibitory effect of ginsenoside Rg1 on BGC-823 human gastric cancer cell line

ZHAO Bao-sheng1, LIU Yang2, XU Tun-hai2   

  1. 1Science and Technology Development Center for TCM, Beijing University of Chinese Medicine, Beijing 100029, China;
    2School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100102, China
  • Received:2011-03-21 Revised:2011-04-06 Published:2011-06-22

摘要: 目的: 研究人参皂苷Rg1对体外培养的人胃癌细胞株BGC-823活性、增殖、凋亡蛋白Bax-2、caspase-3及形态学影响,并探讨其可能机制。 方法: 取对数生长的细胞,加入不同浓度人参皂苷Rg1加以干预,生长曲线法、MTT法、蛋白质含量分别观察人参皂苷Rg1对BGC-823细胞活性、增殖的影响,荧光定量PCR法测定凋亡蛋白Bax-2、caspase-3 mRNA含量变化,形态学方法观察人参皂苷Rg1促BGC-823细胞凋亡作用。 结果: 人参皂苷Rg1 40、60、80 mg/L 不同剂量均不同程度抑制细胞的增殖,且有明显的量-效、时-效关系;人参皂苷Rg1对BGC-823细胞具有明显的细胞毒作用,其IC50为 29.56 mg/L;人参皂苷Rg1可明显减少肿瘤细胞内蛋白含量,提高细胞内Bax-2、caspase-3 mRNA含量,提高经人参皂苷Rg1作用后,凋亡细胞皱缩,胞浆稀少或缺乏,淡红色;染色质凝聚,成深紫色;细胞核固缩碎裂成数个圆形颗粒。 结论: 人参皂苷Rg1可明显抑制细胞增殖,降低细胞活性,表现出较好的抗肿瘤活性,其作用机制可能与抑制肿瘤细胞蛋白质合成、促进BGC-823细胞凋亡有关。

关键词: 人参皂苷Rg1, 胃癌, BGC-823细胞株, 细胞增殖, 细胞凋亡

Abstract: AIM: To observe the influences of Ginsenoside Rg1 on the activity, proliferation, the expression of Bax-2 and caspase-3 and morphology of BGC-823 gastric cancer cell line, and investigate its pharmacological mechanisms. METHODS: Cells which were stayed in logarithmic growth were used for the experiments, the cells were interfered with different concentration of Ginsenoside Rg1, the methods of growth curve, M'IT assay, protein content assay Real-time PCR and morphological observation were used to investigate the effects of Ginsenoside Rg1 on BGC-823 cells. RESULTS: Ginsenoside Rg1 had potent inhibitory effect on BGC-823 cell line in a dose-dependent and time-dependent manner. Ginsenoside Rg1 had significant cytotoxic effect to BGC-823 cells, and its half maximal inhibitory concentration (IC50) is 29.56 mg/L. Ginsenoside Rg1 decreased the amount of protein in BGC-823 cells, improved the expression of Bax-2、caspase-3, and caused the shrinkage of cells, the cytoplasm decreased, and the color was salmon pink; the chromatin condensed and the color was intense violet; the cellular nucleuses were condensed or broken into round granules. CONCLUSION: Ginsenoside Rg1 obviously inhibited the cell proliferation, decreased its activity, showed conspicuous anti-tumor effect on BGC-823 cells. The anti-tumor effect may be related to the inhibition effect to tumor cell protein synthesis, and promote the apoptosis of BGC-823 cells.

Key words: Ginsenoside Rg1, Gastric cancer, BGC-823, Cell proliferation, Apoptosis

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