Effect of Period 2 on the proliferation, apoptosis and migration of osteosarcoma cells, and the corresponding mechanisms

  • Authors:
    • Tao Qin
    • Xiao‑Ting Lu
    • Yong‑Gang Li
    • Yan Liu
    • Wenjiang Yan
    • Na Li
    • Yuan‑Yuan Sun
  • View Affiliations

  • Published online on: June 12, 2018     https://doi.org/10.3892/ol.2018.8952
  • Pages: 2668-2674
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Abstract

Period 2 (per2) is a core circadian clock gene. Dysregulation of the per2 gene has been identified in a number of types of human cancer and may be associated with a poor prognosis. To confirm the influence of per2 gene on MNNG/HOS human osteosarcoma cells, small interfering (si)RNA against per2 or plasmids containing per2 were transfected into MNNG/HOS cells, and the proliferation, apoptosis and migration were observed. The present study demonstrated that per2 knockdown significantly enhanced MNNG/HOS cell proliferation and migration and protected MNNG/HOS cells from apoptosis. Per2 overexpression inhibited MNNG/HOS cell proliferation and migration and promoted apoptosis. Furthermore, the protein expression of phosphorylated (p)‑protein kinase B (Akt) and Bcl‑2 were inhibited in per2‑overexpressing cells, while the expression of p27, p21 and cleaved caspase‑3 was promoted. In contrast, the expression of p‑Akt and Bcl‑2 was promoted in per2‑knockdown cells, and p27, p21 and cleaved caspase‑3 were decreased. This initial study may provide an alternative therapeutic strategy for the treatment of osteosarcoma.
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August-2018
Volume 16 Issue 2

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Qin T, Lu XT, Li YG, Liu Y, Yan W, Li N and Sun YY: Effect of Period 2 on the proliferation, apoptosis and migration of osteosarcoma cells, and the corresponding mechanisms. Oncol Lett 16: 2668-2674, 2018
APA
Qin, T., Lu, X., Li, Y., Liu, Y., Yan, W., Li, N., & Sun, Y. (2018). Effect of Period 2 on the proliferation, apoptosis and migration of osteosarcoma cells, and the corresponding mechanisms. Oncology Letters, 16, 2668-2674. https://doi.org/10.3892/ol.2018.8952
MLA
Qin, T., Lu, X., Li, Y., Liu, Y., Yan, W., Li, N., Sun, Y."Effect of Period 2 on the proliferation, apoptosis and migration of osteosarcoma cells, and the corresponding mechanisms". Oncology Letters 16.2 (2018): 2668-2674.
Chicago
Qin, T., Lu, X., Li, Y., Liu, Y., Yan, W., Li, N., Sun, Y."Effect of Period 2 on the proliferation, apoptosis and migration of osteosarcoma cells, and the corresponding mechanisms". Oncology Letters 16, no. 2 (2018): 2668-2674. https://doi.org/10.3892/ol.2018.8952