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Article

Crude saponins from Platycodon grandiflorum induce apoptotic cell death in RC-58T/h/SA#4 prostate cancer cells through the activation of caspase cascades and apoptosis-inducing factor

  • Authors:
    • Ju-Hye Lee
    • Eun-Kyoung Oh
    • Hyun-Dong Cho
    • Jae-Yong Kim
    • Mi-Kyung Lee
    • Kwon-Il Seo
  • View Affiliations / Copyright

    Affiliations: Department of Food and Nutrition, Sunchon National University, Suncheon, Jeonnam 540-742, Republic of Korea, Research Institute of Basic Science, Sunchon National University, Suncheon, Jeonnam 540-742, Republic of Korea
  • Pages: 1421-1428
    |
    Published online on: January 29, 2013
       https://doi.org/10.3892/or.2013.2256
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Abstract

Saponins are a major active component of Platycodon grandiflorum (P. grandiflorum) and are known to induce apoptosis in metastatic prostate cancer cell lines. However, thus far, no research has been conducted on the anticancer activity of saponins in RC-58T/h/SA#4 primary prostate cancer cells. In this study, we show that the treatment of prostate cancer cells with saponins extracted from P. grandiflorum (SPG) inhibits cell proliferation in a dose-dependent manner. SPG significantly induced apoptotic cell death, resulting in an increase in the sub-G1 apoptotic cell population, apoptotic DNA fragmentation and morphological changes. Pre-treatment with a caspase inhibitor modestly attenuated the SPG-induced increase in the sub-G1 cell population, suggesting that caspases play a role in SPG-induced apoptosis. Moreover, SPG-induced apoptosis was associated with changes in caspase activity, the upregulation of the apoptotic protein, Bax and the downregulation of the anti-apoptotic protein, Bcl-2. Furthermore, the caspase-independent mitochondrial apoptosis factor, apoptosis-inducing factor (AIF) was upregulated following SPG treatment. These findings indicate that SPG exerts its anticancer effects on RC-58T/h/SA#4 primary prostate cancer cells through mitochondrial caspase-dependent and -independent apoptotic pathways.
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Copy and paste a formatted citation
Spandidos Publications style
Lee J, Oh E, Cho H, Kim J, Lee M and Seo K: Crude saponins from Platycodon grandiflorum induce apoptotic cell death in RC-58T/h/SA#4 prostate cancer cells through the activation of caspase cascades and apoptosis-inducing factor. Oncol Rep 29: 1421-1428, 2013.
APA
Lee, J., Oh, E., Cho, H., Kim, J., Lee, M., & Seo, K. (2013). Crude saponins from Platycodon grandiflorum induce apoptotic cell death in RC-58T/h/SA#4 prostate cancer cells through the activation of caspase cascades and apoptosis-inducing factor. Oncology Reports, 29, 1421-1428. https://doi.org/10.3892/or.2013.2256
MLA
Lee, J., Oh, E., Cho, H., Kim, J., Lee, M., Seo, K."Crude saponins from Platycodon grandiflorum induce apoptotic cell death in RC-58T/h/SA#4 prostate cancer cells through the activation of caspase cascades and apoptosis-inducing factor". Oncology Reports 29.4 (2013): 1421-1428.
Chicago
Lee, J., Oh, E., Cho, H., Kim, J., Lee, M., Seo, K."Crude saponins from Platycodon grandiflorum induce apoptotic cell death in RC-58T/h/SA#4 prostate cancer cells through the activation of caspase cascades and apoptosis-inducing factor". Oncology Reports 29, no. 4 (2013): 1421-1428. https://doi.org/10.3892/or.2013.2256
Copy and paste a formatted citation
x
Spandidos Publications style
Lee J, Oh E, Cho H, Kim J, Lee M and Seo K: Crude saponins from Platycodon grandiflorum induce apoptotic cell death in RC-58T/h/SA#4 prostate cancer cells through the activation of caspase cascades and apoptosis-inducing factor. Oncol Rep 29: 1421-1428, 2013.
APA
Lee, J., Oh, E., Cho, H., Kim, J., Lee, M., & Seo, K. (2013). Crude saponins from Platycodon grandiflorum induce apoptotic cell death in RC-58T/h/SA#4 prostate cancer cells through the activation of caspase cascades and apoptosis-inducing factor. Oncology Reports, 29, 1421-1428. https://doi.org/10.3892/or.2013.2256
MLA
Lee, J., Oh, E., Cho, H., Kim, J., Lee, M., Seo, K."Crude saponins from Platycodon grandiflorum induce apoptotic cell death in RC-58T/h/SA#4 prostate cancer cells through the activation of caspase cascades and apoptosis-inducing factor". Oncology Reports 29.4 (2013): 1421-1428.
Chicago
Lee, J., Oh, E., Cho, H., Kim, J., Lee, M., Seo, K."Crude saponins from Platycodon grandiflorum induce apoptotic cell death in RC-58T/h/SA#4 prostate cancer cells through the activation of caspase cascades and apoptosis-inducing factor". Oncology Reports 29, no. 4 (2013): 1421-1428. https://doi.org/10.3892/or.2013.2256
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