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International Journal of Bioprinting 3D-printed PLA-BG composite induces angiogenesis

Figure 7. Matrigel assay with conditioned medium. (A) Exemplary illustrations of HUVECs in Matrigel® incubated with conditioned medium. Black
arrows indicate segments and junctions. (B) Quantitative analyses as described in methods and Figure 1. All three analyzed components (number of
junctions, number of segments and total length) increased with the BG concentration in the 3D-printed scaffolds. Mann–Whitney U tests revealed
significant differences (*P < 0.05, **P < 0.01, ***P < 0.005; ****P < 0.001). For a better overview, only the significant differences are indicated.

Volume 9 Issue 5 (2023) 62 https://doi.org/10.18063/ijb.751