Medicinal composition for treating non-small cell lung cancer and application thereof
A non-small cell lung cancer and composition technology, which is applied in the direction of drug combinations, active ingredients of heterocyclic compounds, active ingredients of heavy metal compounds, etc., can solve the problems of slow effect, inaccurate curative effect, and few cancer treatments
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Embodiment 1
[0045] Example 1: The effects of different combinations of targeted drugs and chemotherapeutic drugs on NSCLC cell lines were evaluated.
[0046] Cell Culture: The NSCLC cell line tested in the experiments was A549 cells obtained from ATCC. The cell culture medium used was RPMI medium 1640 medium supplemented with 10% fetal bovine serum (FBS), 100 U / mL penicillin and 100 μg / mL streptomycin at 37 °C with a volume fraction of 5% CO 2 When cultured in an incubator, the cells grew adherently, and the cells in the logarithmic growth phase were used in the experiments.
[0047] Screening is done in two parts:
[0048] a. In the first set of experiments, the half inhibitory concentration (IC) of each drug was determined after being exposed to NSCLC cell lines for 72 hours 50 )value. Specific steps are as follows:
[0049] Collect logarithmic phase cells, inoculate in 96-well plate, add 100 μL to each well, adjust the concentration of cell suspension so that each well contains 200...
Embodiment 2
[0063] Example 2: The influence of Salvia miltiorrhiza on the anti-cancer effect of targeted drug and chemotherapeutic drug combination was evaluated.
[0064] Preparation of Salvia miltiorrhiza water extract: 80g of Salvia miltiorrhiza was decocted for 3 times, filtered through a vacuum filter, concentrated into about 40ml of medicinal solution, put into a vacuum drying oven to dry, and the yield was calculated as 100% concentration. Take 1g of the water extract, add 10ml of ultrapure water, dissolve, centrifuge, take the supernatant, and then sterilize it through a 0.22μm microporous membrane to make a mother liquor with a concentration of 100mg / ml, and store it in a -20°C refrigerator for later use.
[0065] The steps and methods of the cell experiment were the same as those in Example 1, except that a drug-dosing group was added, in which the combined amount of targeting and chemotherapy drugs remained unchanged, but 10 mg / ml of Danshen water extract was added. The results...
Embodiment 3
[0066] Example 3: The effect of Astragalus membranaceus on the anti-cancer effect of targeted drug and chemotherapeutic drug combination was evaluated.
[0067] Preparation of astragalus water extract: 80g of astragalus was decocted for 3 times and the medicinal liquid was filtered through a vacuum filter, concentrated into about 40ml of medicinal liquid, put into a vacuum drying oven for drying, and the yield was calculated as 100% concentration. Take 1g of the water extract, add 10ml of ultrapure water, dissolve, centrifuge, take the supernatant, and then sterilize it through a 0.22μm microporous membrane to make a mother liquor with a concentration of 100mg / ml, and store it in a -20°C refrigerator for later use.
[0068] The steps and methods of the cell experiment were the same as those in Example 1, except that a drug-dosing group was added, in which the combined amount of targeting and chemotherapy drugs remained the same, but 10 mg / ml of astragalus water extract was adde...
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