R-(-)-beta-O-methylsynephrine, a natural product, inhibits VEGF-induced angiogenesis in vitro and in vivo

Biochemical and Biophysical Research Communications
Nam Hee KimHo Jeong Kwon

Abstract

R-(-)-beta-O-methylsynephrine (OMe-Syn) is an active compound isolated from a plant of the Rutaceae family. We conducted cell proliferation assays on various cell lines and found that OMe-Syn more strongly inhibited the growth of human umbilical vein endothelial cells (HUVECs) than that of other normal and cancer cell lines tested. In angiogenesis assays, it inhibited vascular endothelial growth factor (VEGF)-induced invasion and tube formation of HUVECs with no toxicity. The anti-angiogenic activity of OMe-Syn was also validated in vivo using the chorioallantonic membrane (CAM) assay in growing chick embryos. Expression of the growth factors VEGF, hepatocyte growth factor, and basic fibroblast growth factor was suppressed by OMe-Syn in a dose-dependent manner. Taken together, our results indicate that this compound could be a novel basis for a small molecule targeting angiogenesis.

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Citations

Sep 16, 2014·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·Ahmed M ZaherAngela I Calderón

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