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Article

The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells induced by bufalin

  • Authors:
    • Xia Sheng
    • Pengfei Zhu
    • Jianmin Qin
    • Qi Li
  • View Affiliations / Copyright

    Affiliations: Department of Pathology, The Third Hospital, Affiliated to The Second Military Medical University, Shanghai 201805, P.R. China, Department of General Surgery, The Third Hospital, Affiliated to The Second Military Medical University, Shanghai 201805, P.R. China, Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
  • Pages: 2931-2941
    |
    Published online on: April 12, 2018
       https://doi.org/10.3892/or.2018.6365
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Abstract

Autophagy is an important mechanism which regulates the processes of cell growth and death. The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells by bufalin remains unknown. In the present study we investigated the effect of bufalin on autophagy of liver cancer cells. The growth inhibition and autophagy of liver cancer cells were detected using acridine orange fluorescence staining, flow cytometry and transmission electron microscopy. Combined with autophagy inhibitors (3‑MA and CQ), CCK8 staining and western blot analysis were used to detect the effect of bufalin on the proliferation and autophagy‑related protein expression in HCC‑LM3 cells at the indicated time‑points. Results indicated that combined with autophagy inhibitors 3‑MA and CQ, the inhibitive effect of bufalin on the proliferation of HCC‑LM3 cells was significantly enhanced. When combined with autophagy inhibitors 3‑MA or CQ, bufalin significantly reduced the autophagosome and acidic vesicles in HCC‑LM3 cells. When combined with autophagy inhibitors 3‑MA and/or CQ for 12 h, bufalin significantly inhibited the expression of LC3‑I and Beclin‑1 in HCC‑LM3 cells, and upregulated the expression of LC3‑II and P62 in HCC‑LM3 cells. When combined with autophagy inhibitors 3‑MA and/or CQ for 24 h, bufalin significantly inhibited the LC3‑II expression in HCC‑LM3 cells, and upregulated the LC3‑I, P62 and Beclin‑1 expression in HCC‑LM3 cells. When combined with autophagy inhibitors 3‑MA and/or CQ for 48 h, bufalin significantly inhibited the expression of LC3‑II and Beclin‑1 in HCC‑LM3 cells, and upregulated the expression of LC3‑I and P62 in HCC‑LM3 cells. These findings indicated that bufalin induced cell autophagy and inhibited proliferation of liver cancer cells by influencing the expression of autophagy related proteins including LC3‑I, LC3‑II, P62 and Beclin‑1 in liver cancer cells. The autophagic state of liver cancer cells affected the inhibitory effect of bufalin on the proliferation of liver cancer cells.
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Copy and paste a formatted citation
Spandidos Publications style
Sheng X, Zhu P, Qin J and Li Q: The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells induced by bufalin. Oncol Rep 39: 2931-2941, 2018.
APA
Sheng, X., Zhu, P., Qin, J., & Li, Q. (2018). The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells induced by bufalin. Oncology Reports, 39, 2931-2941. https://doi.org/10.3892/or.2018.6365
MLA
Sheng, X., Zhu, P., Qin, J., Li, Q."The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells induced by bufalin". Oncology Reports 39.6 (2018): 2931-2941.
Chicago
Sheng, X., Zhu, P., Qin, J., Li, Q."The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells induced by bufalin". Oncology Reports 39, no. 6 (2018): 2931-2941. https://doi.org/10.3892/or.2018.6365
Copy and paste a formatted citation
x
Spandidos Publications style
Sheng X, Zhu P, Qin J and Li Q: The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells induced by bufalin. Oncol Rep 39: 2931-2941, 2018.
APA
Sheng, X., Zhu, P., Qin, J., & Li, Q. (2018). The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells induced by bufalin. Oncology Reports, 39, 2931-2941. https://doi.org/10.3892/or.2018.6365
MLA
Sheng, X., Zhu, P., Qin, J., Li, Q."The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells induced by bufalin". Oncology Reports 39.6 (2018): 2931-2941.
Chicago
Sheng, X., Zhu, P., Qin, J., Li, Q."The biological role of autophagy in regulating and controlling the proliferation of liver cancer cells induced by bufalin". Oncology Reports 39, no. 6 (2018): 2931-2941. https://doi.org/10.3892/or.2018.6365
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