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Effects of HAT on the VEGFR2 signaling pathway in HUVECs. The phosphorylation and total protein expression of VEGFR2 (A), AKT, and Src (B) in HUVECs were assessed via Western blot. Actin was used as an internal control. HAT—hexane fraction of Adenophora triphylla var. japonica root extract; HUVEC—human umbilical vein endothelial cell; VEGF—vascular endothelial growth factor; VEGFR2—vascular endothelial growth factor receptor 2.
