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. 2022 Jul 23;13:333. doi: 10.1186/s13287-022-02984-z

Fig. 1.

Fig. 1

Characterization of Exos derived from MSCs. A Cup-shaped morphology of purified Ctrl-Exo and IFN-γ-Exo assessed by TEM. B Representative images of western blot showing the exosomal protein markers in Ctrl-Exo and IFN-γ-Exo groups. C The particle size distribution and particle concentration were analyzed by nanoparticle tracking analysis (n = 3). Confocal images showed that red fluorescence of dye DiI labeled Exos were endocytosed by HUVECs D and H9c2 E 6 and 24 h after incubation. Scale bar = 20 μm