榄香烯注射液与吉非替尼联合时序对EGFR不同类型人肺腺癌细胞的作用观察

被引:8
作者
黄伟 [1 ]
王琳 [1 ]
杨爱珍 [2 ]
徐海军 [2 ]
机构
[1] 东部战区总医院(原八一医院)全军肿瘤中心肿瘤内科
[2] 东部战区总医院(原八一医院)全军肿瘤中心实验科
关键词
肺腺癌; 榄香烯注射液; 吉非替尼; 表皮生长因子受体(EGFR); 增殖; 凋亡;
D O I
暂无
中图分类号
R734.2 [肺肿瘤];
学科分类号
100117 [系统生物医学];
摘要
目的通过体外研究榄香烯注射液不同时序联合吉非替尼对表皮生长因子受体(EGFR)不同类型人肺腺癌细胞A549和PC-9增殖和凋亡的影响,探讨两药联合的最佳方式。方法选取EGFR野生型A549和EGFR突变型PC-9人肺腺癌细胞为研究对象,分为对照组、榄香烯注射液单药72 h组、吉非替尼单药72 h组、榄香烯注射液24 h序贯吉非替尼48 h组、吉非替尼48 h序贯榄香烯注射液24 h组和吉非替尼同步联合榄香烯注射液72 h组。MTT法检测不同给药方式对肺腺癌细胞的增殖抑制作用,Annexin-V FITC/PI法和TUNEL法检测不同给药方式对细胞凋亡的影响。结果榄香烯注射液对A549和PC-9细胞72 h的IC50分别为(27.830±0.614)μg/ml和(26.461±2.309)μg/ml,吉非替尼对A549和PC-9细胞72 h的IC50分别为(8.642±0.261)μmol/L和(0.044±0.002)μmol/L。在A549细胞中,各浓度下吉非替尼(1、2、4、8、16μmol/L)同步联合榄香烯注射液(5、10、20、40、80μg/ml)组的增殖抑制率分别为32.32%、46.47%、56.13%、69.13%和81.79%,高于对照组、榄香烯注射液单药72 h组、吉非替尼单药72 h组、榄香烯注射液24 h序贯吉非替尼48 h组和吉非替尼48 h序贯榄香烯注射液24 h组,差异均有统计学意义(P<0.01)。在PC-9细胞中,各浓度下吉非替尼(0.01、0.02、0.04、0.08、0.16μmol/L)同步联合榄香烯注射液(5、10、20、40、80μg/ml)组的增殖抑制率分别为36.43%、53.24%、61.68%、80.74%和86.72%,高于其他各组,差异均有统计学意义(P<0.01)。Annexin-V FITC/PI检测显示,吉非替尼同步联合榄香烯注射液组对A549和PC-9细胞的凋亡率均最高,分别为(67.4±4.9)%和(67.5±5.6)%,与其他各组比较,差异有统计学意义(P<0.01)。TUNEL检测显示,吉非替尼同步联合榄香烯注射液组对A549和PC-9细胞的凋亡指数亦均最高,分别为(93.48±8.91)%和(85.33±7.62)%,与其他各组比较,差异有统计学意义(P<0.01)。结论榄香烯注射液不同时序联合吉非替尼对EGFR不同类型人肺腺癌细胞均有增殖抑制和诱导凋亡的作用,且两药同步联合时的作用最显著。
引用
收藏
页码:891 / 897
页数:7
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