Chinese adenocarcinoma of lung cell strain without transferring potential
A technology of lung adenocarcinoma cell lines and metastatic potential, which is applied in the field of Chinese lung adenocarcinoma cell lines, can solve the problems of lack of clinical treatment methods, difficult early diagnosis, high mortality rate of lung cancer, etc., and achieve unique molecular biological characteristics, The effect of low tumorigenic rate
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Embodiment 1
[0037] Take the light yellow pleural effusion culture of a newly diagnosed patient with lung adenocarcinoma. After the first-generation cells were cultured in his own pleural effusion, 3 days later, 300,000 lung adenocarcinoma cells were collected from 5 bottles of cell culture flasks; 2×10 6 Cell volume / 0.1mL / mouse, implant immunodeficiency mice BALB / c nu-nu nude mice subcutaneously under the armpit, SPF grade feeding for 1.5 months, subcutaneous growth of 0.5cm 3 , 2 months only grow 0.5-0.8CM 3 ,, the results showed that the nude mice were raised under SPF environment, and the cancer cells from the parental generation to the p9 generation cells could subcutaneously induce tumors, but the tumors grew slowly; the subcutaneous tumors were taken out for cell culture, and after expansion, the experimental nude mice were injected into the left ventricle , After 3 months, no abnormalities were seen in the mice.
[0038] Observe the growth of Yang6 cells under a phase-contrast inv...
Embodiment 2
[0041] Embodiment 2 Gene expression level comparison test
[0042] The comparison of the expression levels of SERPINA1, IGFBP2, CDH1, KRT19, ARG2 and TMEM100 genes, etc. of the obtained Chinese lung adenocarcinoma cell line Yang6 and A549 without metastatic potential by RT-PCR method; the results show that the cell line of the present invention Yang6 is a special Chinese lung adenocarcinoma cell line with slow growth rate and abnormal cell shape. All generations are tumorigenic, but no bone metastasis or other organ metastasis is found in left ventricle modeling;
[0043] After the sensitivity test of 8 kinds of chemotherapeutic drugs by using the cells, according to the test results, the patient with lung adenocarcinoma of Example 1 was clinically treated with Navelbine+cisplatin regimen, which showed a certain curative effect. The cell line Yang6 has unique molecular biological characteristics, heterogeneity, and polymorphism, and can be used as a comparative study cell mode...
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