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PPEA biomimetic periosteum affects tubular structure and proliferation of human umbilical vein endothelial cells. (A) Tube forming experiment of biomimetic periosteum on HUVECs. (B–D) EU detected the effect of biomimetic periosteum on the proliferation of HUVECs. (E) The detection of A (F) is the detection of B-D. Scale bar = 200 μm in panels (A), Scale bar = 100 μm in panels (B–D). N = 3, ∗p＜0.05, ∗∗p＜0.01.
