Fig. 1.
Particle size (a) and scanning electron micrograph (b) of exosomes isolated from (1) brain endothelial bEND.3, (2) neuroectodermal tumor PFSK-1, (3) glioblastoma A-172, and (4) glioblastoma -astrocytoma U-87 MG cells (* Results are significantly different, p<0.05).