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Chinese Journal of Clinical Pharmacology and Therapeutics ›› 2018, Vol. 23 ›› Issue (9): 1027-1030.doi: 10.12092/j.issn.1009-2501.2018.09.010

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Inhibitory effect of cisplatin combined with zoledronic acid on the cell proliferation of lung cancer

QIN Boyu, WANG Gang, QI Xiaoguang, WANG Yajie, SUN Qiong, SUN Shengjie   

  1. Department of Oncology, Chinese PLA General Hospital, Beijing 100853, China
  • Received:2018-02-05 Revised:2018-05-06 Online:2018-09-26 Published:2018-09-26

Abstract:

AIM: To investigate the inhibitory effect of cisplatin combined with zoledronic acid on lung cancer cell PLA-801D proliferation. METHODS: Cell growth inhibitory rate of cisplatin combined with zoledronic acid was determined with MTT assay. The cell cycle was detected by flow cytometry. RESULTS: Cell proliferation was inhibited under the treatment of cisplatin, zoledronic acid alone. The inhibitory rate showed a dose dependent effect within a certain drug concentration range. Compared with single-drug treatment, the combined treatment of cisplatin and zoledronic acid showed a synergistic effect on cell growth inhibition. The highest inhibitory rate was found in sequential cisplatin+zoledronic acid group (cells were first incubated with cisplatin followed by zoledronic acid treatment 24 h later). In addition, compared with the control group, the S phase was longer after combined treatment of cisplatin and zoledronic acid. CONCLUSION: Sequential treatment of cisplatin and zoledronic acid show the strongest inhibitory effect on the cell proliferation of lung cancer. The ranged inhibitory effect may be related with the change of cell cycle.

Key words: cisplatin, zoledronic acid, lung cancer, cell growth inhibitory rate, cell cycle

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