Inhibitory effects of Yangzheng Xiaoji on angiogenesis and the role of the focal adhesion kinase pathway

  • Authors:
    • Wen G. Jiang
    • Lin Ye
    • Ke Ji
    • Natasha Frewer
    • Jiafu Ji
    • Malcolm D. Mason
  • View Affiliations

  • Published online on: September 11, 2012     https://doi.org/10.3892/ijo.2012.1627
  • Pages: 1635-1642
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Abstract

Angiogenesis is an essential event during the excessive growth and metastatic spread of solid tumours. Anti-angiogenic agents have become a new choice of therapy for patients with cancer. In the present study, we investigated the potential effect of Yangzheng Xiaoji, a traditional Chinese medicinal formula presently used in the treatment of several solid tumours including liver cancer and gastric cancer, on angiogenesis, in vitro. The human vascular endothelial cell line HECV was used. A Matrigel-based sandwich tubule formation assay was employed to assess in vitro angiogenesis, a colorimetric method for assessing in vitro cell growth. Electric cell-substrate impedance sensing (ECIS) was used to evaluate the adhesion and migration of endothelial cells. The effects on activation of focal adhesion kinase (FAK) were evaluated using western blotting and immunofluorescence methods. Yangzhen Xiaoji extract DME25 significantly inhibited tube formation (p=0.046 vs control). This was seen together with a concentration-dependent inhibition on cell-matrix adhesion and cellular migration. It was demonstrated that the focal adhesion kinase (FAK) inhibitor PF557328 had a significant synergistic effect on DME25-induced inhibition of cell adhesion, migration and tube formation. The study showed that DME25 inhibited the phosphorylation of FAK in endothelial cells. In conclusion, Yangzhen Xiaoji has a marked effect on angiogenesis, in vitro and that this effect is at least partly mediated by the focal adhesion kinase (FAK) pathway.
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November 2012
Volume 41 Issue 5

Print ISSN: 1019-6439
Online ISSN:1791-2423

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Spandidos Publications style
Jiang WG, Ye L, Ji K, Frewer N, Ji J and Mason MD: Inhibitory effects of Yangzheng Xiaoji on angiogenesis and the role of the focal adhesion kinase pathway. Int J Oncol 41: 1635-1642, 2012.
APA
Jiang, W.G., Ye, L., Ji, K., Frewer, N., Ji, J., & Mason, M.D. (2012). Inhibitory effects of Yangzheng Xiaoji on angiogenesis and the role of the focal adhesion kinase pathway. International Journal of Oncology, 41, 1635-1642. https://doi.org/10.3892/ijo.2012.1627
MLA
Jiang, W. G., Ye, L., Ji, K., Frewer, N., Ji, J., Mason, M. D."Inhibitory effects of Yangzheng Xiaoji on angiogenesis and the role of the focal adhesion kinase pathway". International Journal of Oncology 41.5 (2012): 1635-1642.
Chicago
Jiang, W. G., Ye, L., Ji, K., Frewer, N., Ji, J., Mason, M. D."Inhibitory effects of Yangzheng Xiaoji on angiogenesis and the role of the focal adhesion kinase pathway". International Journal of Oncology 41, no. 5 (2012): 1635-1642. https://doi.org/10.3892/ijo.2012.1627