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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Inhibitory effects of emodin on angiogenesis.

AIM: To determine the anti-angiogenic activity of emodin. METHODS: Chick embryo assay and cultured endothelial cells were used. RESULTS: Emodin at doses of 150 and 300 microg/egg caused 37.6% and 63.2% inhibition of angiogenesis, respectively. Emodin was shown to inhibit the proliferation of primary cultured bovine aortic endothelial cells in the absence or presence of basic-fibroblast growth factor (bFGF) or the presence of vascular endothelial growth factor ( VEGF) in a dose-dependent manner. The IC50 values by MTT assay were 5.56, 8.40 or 6.91 mg x L(-1), respectively. Emodin at concentrations from 5.4 to 21.6 mg x L(-1) induced apoptosis of endothelial cells for 37.6% to 72.6%. Emodin caused endothelial cell cycle arrest at G2/M phase. After emodin treatment, there was a down-regulation of Cyclin B1, P34cdc2, and Bcl-2 protein expression while the Bax protein expression was unaffected. CONCLUSION: Emodin shows anti-angiogenic activity and might be useful for the development of novel anti-cancer therapy.[1]

References

  1. Inhibitory effects of emodin on angiogenesis. Wang, X.H., Wu, S.Y., Zhen, Y.S. Yao Xue Xue Bao (2004) [Pubmed]
 
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