Abstract
Aim:
To investigate the effect of ginsenoside Rg1 on the migration, adhesion, proliferation, and VEGF expression of endothelial progenitor cells (EPCs).
Methods:
EPCs were isolated from human peripheral blood and incubated with different concentrations of ginsenoside Rg1 (0.1, 0.5, 1.0, and 5.0 μmol/L) and vehicle controls. EPC migration was detected with a modified Boyden chamber assay. EPC adhesion was determined by counting adherent cells on fibronectin-coated culture dishes. EPC proliferation was analyzed with the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. In vitro vasculogenesis was assayed using an in vitro vasculogenesis detection kit. A VEGF-ELISA kit was used to measure the amount of VEGF protein in the cell culture medium.
Results:
Ginsenoside Rg1 promoted EPC adhesion, proliferation, migration and in vitro vasculogenesis in a dose- and time-dependent manner. Cell cycle analysis showed that 5.0 μmol/L of ginsenoside Rg1 significantly increased the EPC proliferative phase (S phase) and decreased the resting phase (G0/G1 phase). Ginsenoside Rg1 increased vascular endothelial growth factor production.
Conclusion:
The results indicate that ginsenoside Rg1 promotes proliferation, migration, adhesion and in vitro vasculogenesis.
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Acknowledgements
The authors gratefully acknowledge helpful support from Prof Chang-fen XU. We also thank Zhu-ping TANG and Bo FENG for excellent technical assistance.
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Shi, Aw., Wang, Xb., Lu, Fx. et al. Ginsenoside Rg1 promotes endothelial progenitor cell migration and proliferation. Acta Pharmacol Sin 30, 299–306 (2009). https://doi.org/10.1038/aps.2009.6
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DOI: https://doi.org/10.1038/aps.2009.6
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