Suppression of glioma development after exposure to exosomes derived from miRNA-584 transfected MSCs. (A) Tumor sizes in each group were analyzed. (B) Body weights showed no significant difference between groups. (C) Statistical analysis revealed that cancer weight in group exposed to exosomal miRNA-584 derived from transfected MSCs was considerably decreased. All data were analyzed after each treatment on 5 days a week for 30 days. Experiments were repeated three times. SF media, serum-free media. Scale bar, 1 cm. Columns, mean; bars, SE. (*P < 0.05).