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Inhibition of nasopharyngeal carcinoma cell proliferation and synergism of cisplatin with silvestrol and episilvestrol isolated from Aglaia stellatopilosa

  • Authors:
    • Maelinda Daker
    • Jiun‑Tzen Yeo
    • Norhasimah Bakar
    • Asma' Saiyidatina Aishah Abdul Rahman
    • Munirah Ahmad
    • Tiong‑Chia Yeo
    • Alan Soo‑Beng Khoo
  • View Affiliations / Copyright

    Affiliations: Molecular Pathology Unit, Cancer Research Centre, Institute for Medical Research, Kuala Lumpur 50588, Malaysia, Sarawak Biodiversity Centre, KM20, Semengoh, Kuching, Sarawak 93990, Malaysia
    Copyright: © Daker et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 2117-2126
    |
    Published online on: March 29, 2016
       https://doi.org/10.3892/etm.2016.3201
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Abstract

Nasopharyngeal carcinoma (NPC) is a type of tumour that arises from the epithelial cells that line the surface of the nasopharynx. NPC is treated with radiotherapy and cytotoxic chemotherapeutic drugs such as cisplatin and 5‑fluorouracil. However, current strategies are often associated with potential toxicities. This has prompted efforts to identify alternative methods of treatment. The present study aimed to investigate silvestrol and episilvestrol‑mediated inhibition of cell proliferation in human NPC cells. The growth kinetics of NPC cells treated with silvestrol or episilvestrol were monitored dynamically using a real‑time, impedance‑based cell analyzer, and dose‑response profiles were generated using a colorimetric cell viability assay. Furthermore, apoptosis was evaluated using flow cytometry and high content analysis. In addition, flow cytometry was performed to determine cell cycle distribution. Finally, the effects of combining silvestrol or episilvestrol with cisplatin on NPC cells was examined. Apoptosis was not observed in silvestrol and episilvestrol‑treated NPC cells, although cell cycle perturbation was evident. Treatment with both compounds induced a significant increase in the percentage of cells in the G2/M phase, as compared with the control. In vitro cultures combining silvestrol or episilvestrol with cisplatin showed synergistic effects against NPC cells. The results of the present study suggested that silvestrol and episilvestrol had an anti‑tumour activity in NPC cells. Silvestrol and episilvestrol, particularly in combination with cisplatin, merit further investigation, so as to determine the cellular mechanisms underlying their action(s) as anti‑NPC agents.
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Copy and paste a formatted citation
Spandidos Publications style
Daker M, Yeo JT, Bakar N, Abdul Rahman AS, Ahmad M, Yeo TC and Khoo AS: Inhibition of nasopharyngeal carcinoma cell proliferation and synergism of cisplatin with silvestrol and episilvestrol isolated from Aglaia stellatopilosa. Exp Ther Med 11: 2117-2126, 2016.
APA
Daker, M., Yeo, J., Bakar, N., Abdul Rahman, A.S., Ahmad, M., Yeo, T., & Khoo, A.S. (2016). Inhibition of nasopharyngeal carcinoma cell proliferation and synergism of cisplatin with silvestrol and episilvestrol isolated from Aglaia stellatopilosa. Experimental and Therapeutic Medicine, 11, 2117-2126. https://doi.org/10.3892/etm.2016.3201
MLA
Daker, M., Yeo, J., Bakar, N., Abdul Rahman, A. S., Ahmad, M., Yeo, T., Khoo, A. S."Inhibition of nasopharyngeal carcinoma cell proliferation and synergism of cisplatin with silvestrol and episilvestrol isolated from Aglaia stellatopilosa". Experimental and Therapeutic Medicine 11.6 (2016): 2117-2126.
Chicago
Daker, M., Yeo, J., Bakar, N., Abdul Rahman, A. S., Ahmad, M., Yeo, T., Khoo, A. S."Inhibition of nasopharyngeal carcinoma cell proliferation and synergism of cisplatin with silvestrol and episilvestrol isolated from Aglaia stellatopilosa". Experimental and Therapeutic Medicine 11, no. 6 (2016): 2117-2126. https://doi.org/10.3892/etm.2016.3201
Copy and paste a formatted citation
x
Spandidos Publications style
Daker M, Yeo JT, Bakar N, Abdul Rahman AS, Ahmad M, Yeo TC and Khoo AS: Inhibition of nasopharyngeal carcinoma cell proliferation and synergism of cisplatin with silvestrol and episilvestrol isolated from Aglaia stellatopilosa. Exp Ther Med 11: 2117-2126, 2016.
APA
Daker, M., Yeo, J., Bakar, N., Abdul Rahman, A.S., Ahmad, M., Yeo, T., & Khoo, A.S. (2016). Inhibition of nasopharyngeal carcinoma cell proliferation and synergism of cisplatin with silvestrol and episilvestrol isolated from Aglaia stellatopilosa. Experimental and Therapeutic Medicine, 11, 2117-2126. https://doi.org/10.3892/etm.2016.3201
MLA
Daker, M., Yeo, J., Bakar, N., Abdul Rahman, A. S., Ahmad, M., Yeo, T., Khoo, A. S."Inhibition of nasopharyngeal carcinoma cell proliferation and synergism of cisplatin with silvestrol and episilvestrol isolated from Aglaia stellatopilosa". Experimental and Therapeutic Medicine 11.6 (2016): 2117-2126.
Chicago
Daker, M., Yeo, J., Bakar, N., Abdul Rahman, A. S., Ahmad, M., Yeo, T., Khoo, A. S."Inhibition of nasopharyngeal carcinoma cell proliferation and synergism of cisplatin with silvestrol and episilvestrol isolated from Aglaia stellatopilosa". Experimental and Therapeutic Medicine 11, no. 6 (2016): 2117-2126. https://doi.org/10.3892/etm.2016.3201
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