Traditional Chinese medicine combined with anticancer drugs is a new direction of clinical cancer therapy in recent years. In this study, the optimal ratio of ginseng rare ginsenoside components and paclitaxel was optimized by MTT method, and the proliferative, apoptotic and anti-tumor effects of lung cancer A549 cells were investigated. It was found that the inhibitory effect on the proliferation of lung cancer A549 cells was the same as that on paclitaxel when the ratio of rare ginseng rare ginsenoside components to paclitaxel was 4∶6. Further studies showed that the combined therapy significantly increased the inductive effect of apoptosis in A549 cells, and up-regulated the expression of caspase-3 protein and down-regulated the ratio of Bcl-2/Bax. The tumor-bearing mice model showed that the combination therapy of ginseng rare ginsenoside components and paclitaxel could significantly inhibit the growth of tumor and alleviate the toxic and side effects of paclitaxel on liver. A multi-component system of ginseng rare ginsenoside components-paclitaxel was established in this paper. The proliferation and growth of lung cancer A549 cells were inhibited by paclitaxel-induced apoptosis, the dosage of paclitaxel and the toxicity of paclitaxel were reduced, and the effect of anti-lung cancer was enhanced, which provided a theoretical basis for later studies and clinical application.
Keywords: apoptosis; combination therapy; ginseng rare saponin components; lung cancer A549 cell; paclitaxel.
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