Tetrandrine inhibits the proliferation of human osteosarcoma cells by upregulating the PTEN pathway

  • Authors:
    • Dong-Dong Tian
    • Ran-Xi Zhang
    • Nian Wu
    • Wei Yuan
    • Shuai-Hong Luo
    • Hou‑Qing Chen
    • Yang Liu
    • Yang Wang
    • Bai-Cheng He
    • Zhong-Liang Deng
  • View Affiliations

  • Published online on: April 6, 2017     https://doi.org/10.3892/or.2017.5560
  • Pages: 2795-2802
Metrics: Total Views: 0 (Spandidos Publications: | PMC Statistics: )
Total PDF Downloads: 0 (Spandidos Publications: | PMC Statistics: )


Abstract

Tetrandrine (TET) is a natural product isolated from the Chinese herb Stephania tetrandra S. Moore and has been reported to have antiproliferation and apoptosis-inducing activity in various malignant tumor cells. However, the exact molecular mechanisms underlying these effects remain unclear. In the present study, we tested the antiproliferation effect of TET on osteosarcoma (OS) 143B cells and explored the possible potential molecular mechanism in this process. Using CCK-8 assay and flow cytometry, we found that TET inhibited proliferation, induced apoptosis and arrested the cell cycle of the 143B cells. Using a xenograft tumor model of human OS, tetrandrine was found to inhibit tumor growth in vivo. TET increased the protein level of phosphatase and tensin homolog (PTEN) and decreased its phosphorylation as detected by western blot analysis and immunohistochemistry.Overexpression of PTEN strengthened the anticancer effect of TET, while knockdown of PTEN attenuated it. Meanwhile, TET activated p38 MAPK and increased its phosphorylation. Our findings suggest that TET may be a potential anticancer drug for OS. In addition, its effects may be mediated by the upregulation of PTEN. Moreover the expression alteration of PTEN and p-PTEN was mediated by the TET-induced activation of p38 MAPK in a direct or indirect manner.
View Figures
View References

Related Articles

Journal Cover

May-2017
Volume 37 Issue 5

Print ISSN: 1021-335X
Online ISSN:1791-2431

Sign up for eToc alerts

Recommend to Library

Copy and paste a formatted citation
x
Spandidos Publications style
Tian D, Zhang R, Wu N, Yuan W, Luo S, Chen HQ, Liu Y, Wang Y, He B, Deng Z, Deng Z, et al: Tetrandrine inhibits the proliferation of human osteosarcoma cells by upregulating the PTEN pathway. Oncol Rep 37: 2795-2802, 2017
APA
Tian, D., Zhang, R., Wu, N., Yuan, W., Luo, S., Chen, H. ... Deng, Z. (2017). Tetrandrine inhibits the proliferation of human osteosarcoma cells by upregulating the PTEN pathway. Oncology Reports, 37, 2795-2802. https://doi.org/10.3892/or.2017.5560
MLA
Tian, D., Zhang, R., Wu, N., Yuan, W., Luo, S., Chen, H., Liu, Y., Wang, Y., He, B., Deng, Z."Tetrandrine inhibits the proliferation of human osteosarcoma cells by upregulating the PTEN pathway". Oncology Reports 37.5 (2017): 2795-2802.
Chicago
Tian, D., Zhang, R., Wu, N., Yuan, W., Luo, S., Chen, H., Liu, Y., Wang, Y., He, B., Deng, Z."Tetrandrine inhibits the proliferation of human osteosarcoma cells by upregulating the PTEN pathway". Oncology Reports 37, no. 5 (2017): 2795-2802. https://doi.org/10.3892/or.2017.5560