Exosomes loaded with PTEN siRNA leads to functional recovery after complete transection of the spinal cord by specifically targeting the damaged area. - Offen, D.; Perets, N.; Guo, S.; Betzer, O.; Popovtzer, R.; Ben-Shaul, S.; Sheinin, A.; Michaelevski, I.; Levenberg, S. (Cytotherapy (Elsevier Inc.), 2019)