
Keywords: Ang-1; angiopoietin-1; BBB; blood-brain barrier; BDNF; brain-derived neurotrophic factor; bFGF; basic fibroblast growth factor; BMSCs; bone marrow stromal cells; CNS; central nervous system; CXCR4; chemokine (C-X-C motif) receptor 4; ESCs; embryonic ste