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CJAP ›› 2021, Vol. 37 ›› Issue (5): 506-510.doi: 10.12047/j.cjap.6138.2021.076

• ORIGINAL ARTICLES • Previous Articles     Next Articles

Effects of Magnolol combined with Gefitinib on A549 non-small cell lung cancer cells

REN Ji-lian1△, CUI Ling-zhi2, HAO Xiao-xia1, LI Xiao-yan3, CHANG Yan-xiang4   

  1. 1. Department of Medical Laboratory, Fenyang College, Shanxi Medical University, Fenyang 032200;
    2. Department of Cadre Diagnosis and Treatment, Shanxi Cancer Hospital, Taiyuan 030013;
    3. Department of Laboratory Medicine, Fenyang Hospital, Shanxi Province, Fenyang 032200;
    4. The First Affiliated Hospital of Xi'an Medical College, Xi'an 710077, China
  • Received:2020-08-07 Online:2021-09-28 Published:2021-11-24

Abstract: Objective: To investigate the synergistic effects of magnolol and gefitinib on non-small cell lung cancer A549 cells. Methods: A549 cells were treated with Magnolol (6.25~500 μmol/L) or gefitinib (6.25~500 μmol/L) for 24 h, respectively, and the cell viability was detected by cell counting Kit-8 (CCK-8) experiment (n=3). Magnolol 100 μmol/L and gefitinib 5 μmol/L were selected in the following experiments (n=3, 24 h). Control group, magnolol group, gefitinib group and magnolol+gefitinib group were set up for factorial analysis. Colony formation experiment was applied to detect the cell proliferation. Western blot was used to detect protein expressions. Flow cytometry was applied to test cell apoptosis and sorting CD44+ and CD133+ cells. Results: Compared with the control group, the colony formation rate of Magnolol or Gefitinib groups was decreased significantly (P<0.05); the apoptosis rate was increased significantly (P<0.05); the number of CD44+ and CD133+ cells was reduced significantly (P<0.05); the expressions of Ki67, PCNA, and stem cell marker proteins SOX2 and OCT4 were down-regulated (P<0.05); and the ratio of Bax/Bcl-2 was increased significantly (P<0.05). Compared with the Magnolol group or Gefitinib group, the Magnolol+Gefitinib group further promoted the above changes (P<0.05), and the apoptosis rate, the ratio of Bax/Bcl-2, SOX2 and OCT4 all showed interactions between magnolol and gefitinib (P<0.05). Conclusion: Magnolol and gefitinib promote the apoptosis of A549 cells and inhibit its stem cell-like properties, and the effect of the two combined is better than separated administration. Magnolol and gefitinib have interactive effects on A549 cells.

Key words: magnolol, stem cell like characteristics, Gefitinib, non-small cell lung cancer A549 cells

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