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广西师范大学学报(自然科学版) ›› 2013, Vol. 31 ›› Issue (1): 67-71.
彭艳1,2, 蔡乐靖1, 周远华1, 黎智1, 刘仁路1, 仲辉2, 张国海2
PENG Yan1,2, CAI Le-jing1, ZHOU Yuan-hua1, LI Zhi1, LIURen-lu1, ZHONG Hui2, ZHANG Guo-hai2
摘要: 本文以人肺癌NCI-H460、A549,肝癌BEL-7404,胃癌MCG-803细胞株以及正常肝细胞HL-7702作为受试细胞,分别采用MTT比色法、qPCR技术检测白花丹素衍生物(Pln-7-co(oAc))对细胞增殖的抑制作用以及对抑癌基因LRRC3B mRNA表达量的影响。结果显示,在10 μmol/L药物的作用下Pln-7-co(oAc)对NCI-H460细胞增殖的抑制率达到86.68%±2.89%,明显高于A549(59.56%±9.00%),肝癌BEL-7404(-7.24%±2.93%),胃癌MCG-803(15.27%±5.87%)。在IC50测试实验中,Pln-7-co(oAc)对NCI-H460细胞株的增殖抑制作用呈现很好的剂量依赖关系,其IC50值低至(4.85±0.61) μmol/L,明显优于阳性药物易瑞沙Iressa(20.17±2.15) μmol/L,LRRC3B mRNA的相对表达量明显升高。
中图分类号:
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