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. 2019 Jan 24;25:700–710. doi: 10.12659/MSM.911579

Figure 4.

Figure 4

The effects of treatment with zoledronic acid (ZA) and epidermal growth factor (EGF) on angiogenesis of human umbilical vein endothelial cells (HUVECs) were measured using an assay for the formation of vascular tubes. (A) Human umbilical vein endothelial cells (HUVECs) were treated with Dulbecco’s modified Eagle’s medium (DMEM) without zoledronic acid or epidermal growth factor (EGF) for 48 h. (B) HUVECs were treated with 5 μmol/L of zoledronic acid for 48 h. (C) HUVECs were treated with 10 ng/L of EGF for 48 h. (D) HUVECs were treated with 5 μmol/L of zoledronic acid and 10 ng/L EGF for 48 h. Results are presented as the average ±SD of three independent experiments. (E) a: Zoledronic acid significantly inhibited angiogenesis at a concentration of 5 μmol/L (P<0.05). b: EGF treatment could partially reverse the negative effects of zoledronic acid (P<0.05).