Abstract
The plant Dendropanax morbifera Léveille (D. morbifera), a subtropical broad-leaved evergreen tree, have been used in folk medicine for the treatment of infectious diseases, skin diseases, and other maladies. However, the effect of extracts from D. morbifera in vascuar diseases has not yet been reported. In this study, BrdU assay revealed that extracts from D. morbifera inhibit significantly the proliferation rate of Rat Aortic Smooth Muscle Cells (RAoSMCs) by -40% in treated samples compared to controls. Notably, 2-D wound healing assay and 3-D boyden chamber assay showed the significant reduction of RAoSMCs migration induced by serum in nano extracts treated groups by -50%. We further observed that the phosphorylated levels of Akt and ERK were significantly reduced by 70% in extracts treated RAoSMCs. Moreover, the expression levels of matrix metalloproteinase (MMP) 2 and 9 were significantly reduced by extracts from D. morbifera. Our results suggest that extracts from D. morbifera inhibit proliferation and migration in RAoSMCs via the modulation of phosphorylated levels of Akt and ERK. Subsequently, the reduced MMP2 and 9 expression might result to reduced migration of RAoSMCs.
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