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. 2020 Jun 28;5(27):16568–16574. doi: 10.1021/acsomega.0c01266

Figure 4.

Figure 4

(a–c) Angiogenesis experiments in vitro. (a) Vascular-like structures formed in 3, 6, and 9 h, and the vascular-like structures formed in the ninth hour were dyed with Calcein AM for easy observation. Statistical results include (b) meshes and (c) junctions. (d, e) Level of VEGFA released by HUVECs. (d) Western blotting strips and (e) statistical results. (f) Representative migration images of migration and (g) the statistical results of migration. (*P < 0.05, **P < 0. 01). Scale bar: 200 μm.