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Characterization of extracellular vesicles. (A–C) Nano tracking particle analysis of EV characteristics such as size and quantity. (D) Representative transmission-electron microscopy figures showing the lipid bilayer structure of EVs. Distinct EV biomarkers expression profiles such as CD9, CD63, and Alix of (E,F) RACev and (G) MSCev. Statistical significance was determined using Mann-Whitney U test. The results are presented as mean ± SEM (n = 4–7 per group).
