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Article

Anti-angiogenic effects of Siegesbeckia glabrescens are mediated by suppression of the Akt and p70S6K-dependent signaling pathways

  • Authors:
    • Hyeon-Ju Kim
    • Hee-Young Ko
    • Shin-Wook Choi
    • Dong-Wan Seo
  • View Affiliations / Copyright

    Affiliations: College of Pharmacy, Dankook University, Cheonan 330-714, Republic of Korea, College of Biomedical Science, Kangwon National University, Chuncheon 200-701, Republic of Korea, Radiant Reasearch Institute, Radiant Inc., Chuncheon 200-883, Republic of Korea
  • Pages: 699-704
    |
    Published online on: November 26, 2014
       https://doi.org/10.3892/or.2014.3630
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Abstract

Siegesbeckia glabrescens (SG) Makino (Compositae) has been used as a traditional medicine for the treatment of allergic and inflammatory diseases. In the present study, we report the effects and molecular mechanism of an ethanolic extract of SG on cell proliferation, migration and tube formation in vascular endothelial growth factor-A (VEGF-A)-treated human umbilical vein endothelial cells. SG treatment inhibited VEGF-A-stimulated endothelial cell proliferation through downregulation of cyclin D and upregulation of cyclin-dependent kinase inhibitors such as p27Kip1 and p21WAF1/Cip1. In addition, SG inhibited VEGF‑A-stimulated endothelial cell migration and tube formation. These anti-angiogenic activities of SG were mediated by inactivation of the Akt- and p70S6K-dependent signaling pathways. Collectively, our findings demonstrate the pharmacological roles and molecular mechanism of SG in regulating angiogenic responses and support further evaluation and development of SG as a potential therapeutic agent for the treatment and prevention of angiogenesis-related diseases including cancer.
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Copy and paste a formatted citation
Spandidos Publications style
Kim H, Ko H, Choi S and Seo D: Anti-angiogenic effects of Siegesbeckia glabrescens are mediated by suppression of the Akt and p70S6K-dependent signaling pathways. Oncol Rep 33: 699-704, 2015.
APA
Kim, H., Ko, H., Choi, S., & Seo, D. (2015). Anti-angiogenic effects of Siegesbeckia glabrescens are mediated by suppression of the Akt and p70S6K-dependent signaling pathways. Oncology Reports, 33, 699-704. https://doi.org/10.3892/or.2014.3630
MLA
Kim, H., Ko, H., Choi, S., Seo, D."Anti-angiogenic effects of Siegesbeckia glabrescens are mediated by suppression of the Akt and p70S6K-dependent signaling pathways". Oncology Reports 33.2 (2015): 699-704.
Chicago
Kim, H., Ko, H., Choi, S., Seo, D."Anti-angiogenic effects of Siegesbeckia glabrescens are mediated by suppression of the Akt and p70S6K-dependent signaling pathways". Oncology Reports 33, no. 2 (2015): 699-704. https://doi.org/10.3892/or.2014.3630
Copy and paste a formatted citation
x
Spandidos Publications style
Kim H, Ko H, Choi S and Seo D: Anti-angiogenic effects of Siegesbeckia glabrescens are mediated by suppression of the Akt and p70S6K-dependent signaling pathways. Oncol Rep 33: 699-704, 2015.
APA
Kim, H., Ko, H., Choi, S., & Seo, D. (2015). Anti-angiogenic effects of Siegesbeckia glabrescens are mediated by suppression of the Akt and p70S6K-dependent signaling pathways. Oncology Reports, 33, 699-704. https://doi.org/10.3892/or.2014.3630
MLA
Kim, H., Ko, H., Choi, S., Seo, D."Anti-angiogenic effects of Siegesbeckia glabrescens are mediated by suppression of the Akt and p70S6K-dependent signaling pathways". Oncology Reports 33.2 (2015): 699-704.
Chicago
Kim, H., Ko, H., Choi, S., Seo, D."Anti-angiogenic effects of Siegesbeckia glabrescens are mediated by suppression of the Akt and p70S6K-dependent signaling pathways". Oncology Reports 33, no. 2 (2015): 699-704. https://doi.org/10.3892/or.2014.3630
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