FANG Xupeng,FANG Dan,DENG Haibin,et al.Effect of Feiyanning Prescription combined with gefitinib on proliferation of lung adenocarcinoma H1975 cells in vitro[J].Shanghai Journal of Traditional Chinese Medicine,2022,56(08):79-83.
FANG Xupeng,FANG Dan,DENG Haibin,et al.Effect of Feiyanning Prescription combined with gefitinib on proliferation of lung adenocarcinoma H1975 cells in vitro[J].Shanghai Journal of Traditional Chinese Medicine,2022,56(08):79-83. DOI: 10.16305/j.1007-1334.2022.2106020.
Effect of Feiyanning Prescription combined with gefitinib on proliferation of lung adenocarcinoma H1975 cells in vitro
Objective,2,To observe the proliferation of lung adenocarcinoma H1975 cells resistant to gefitinib ,in vitro, under the action of Feiyanning Prescription (FYN) and gefitinib, and to explore the possible mechanism of FYN in reversing gefitinib resistance.,Methods,2,Lung adenocarcinoma T790M mutation-resistant strain H1975 cells were selected and divided into control group, gefitinib group, FYN group and combination group. CCK-8 assay was used to detect the proliferation rate of cells in each group at different time (0 h, 24 h, 48 h, and 72 h); Western blot was used to detect the expression of proteins related to EGFR-PI3K/Akt/mTOR signal pathway.,Results,2,The results of CCK-8 showed that FYN inhibited the proliferation of H1975 cells ,in vitro, in a dose-dependent manner, that is, its inhibitory power increased with the increase of drug concentration, and the effect of combination drug on inhibiting cell proliferation ,in vitro, was more obvious than that of single drug. Western blot showed that FYN combined with gefitinib could down-regulate the expression of p-EGFR, p-Akt and p-mTOR.,Conclusion,2,FYN combined with gefitinib can inhibit the proliferation of H1975 cells ,in vitro,, and the inhibitory effect ,in vitro, is more significant than that of gefitinib. The mechanism of delaying gefitinib resistance may be related to the down-regulation of EGFR-PI3K/Akt/mTOR signal pathway related protein expression.
关键词
肺腺癌肺岩宁方吉非替尼H1975细胞体外增殖中药研究
Keywords
lung adenocarcinomaFeiyanning PrescriptiongefitinibH1975 cellsproliferation in vitrotraditional Chinese herbal medicine research
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