Fig. 2

Isolation and characterization of MSC-Exos. a Representative transmission electron micrographs of MSC-Exos with a cup-shaped morphology. Scale bar = 100 nm b Western blot results indicating positive expression for the CD63, TSG101, and Flotillin-1 proteins in the exosomes derived from MSCs. c. Particle size distribution of MSC-Exos measured by qNano analysis