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Exosomes from SRGN-overexpressing ESCC cells facilitate angiogenesis in vitro. (A) Representative images of uptake of PKH26-labelled exosomes derived from ESCC cells by HUVECs. (B) Representative images of HUVECs treated with Con Exo and SRGN Exo from ESCC cells and (C) corresponding quantifications of number of nodes, junction, segments and meshes. Scale bar, 200 μm. Data are presented as mean ± SD. n = 3 and 4 for KYSE410 and KYSE150, respectively. *, P < 0.05; ***, P < 0.001.
