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Identification of MSC-Exosomes and MSC-Exosome Uptake by EPCs
(A) Transmission electron micrograph (TEM) of the exosomes secreted from the MSC (scale bars, 100 nm). (B) Immunophenotype of MSC-exosomes. (C) Nano-sight analysis for the particle size. (D) Confocal scanning laser microscopy exhibiting PKH26-labeled exosomes internalized by EPCs for 0, 3, and 6 h (scale bars, 200 μm).
