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Abstract Title:

Total glucosides of Paeonia lactiflora Pall inhibit vascular endothelial growth factor-induced angiogenesis.

Abstract Source:

J Ethnopharmacol. 2010 Feb 17 ;127(3):781-5. Epub 2009 Nov 13. PMID: 19914370

Abstract Author(s):

Hui Deng, Chunlin Yan, Tian Xiao, Dingfen Yuan, Jinhua Xu

Article Affiliation:

Hui Deng

Abstract:

OBJECTIVE: To evaluate the anti-angiogenesis effect of total glucosides of Paeonia lactiflora Pall.

METHODS: In this study, we determined the effect of TGP on the proliferation of human vascular endothelial cells through 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and fluorescence-activated cell sorting analysis. A migration assay and a tube formation assay were used to investigate the migration properties and tube formation abilities of human vascular endothelial cells after being treated with TGP. Furthermore, the in vivo anti-angiogenic ability of TGP was determined through a chick chorioallantoic membrane assay.

RESULTS: TGP (12.5, 62.5, and 312.5 microg/ml) resulted in a dose-dependent reduction in the proliferation of endothelial cells. This inhibition effect began 6h after treatment and lasted at least 24h. Fluorescence-activated cell sorting analysis data showed an accumulation of cells in the G0/G1 phase of the cell cycle, which exhibited apoptotic features indicative of cell death. The migration properties and tube forming abilities of endothelial cells were dramatically inhibited by the TGP extract.

CONCLUSION: Our results show that TGP can inhibit angiogenesis in vitro and in vivo.

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Sayer Ji
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