Factor/Drug Suggested effect Reference EGF Increase both NPCs number and OPCs number [21] Asialo-erythropoietin Promote the maturation of OPCs [22] VEGF Increase EPCs number for angiogenesis [30,31] G-CSF Increase EPCs number for angiogenesis [32,45] Statin Increase EPCs number for angiogenesis Promoting re-endothelialization. [40,41] Cilostazol Increase EPCs number for angiogenesis [43]

Table 1: Scientific evidence showing that the administrated factor/drug can enhance endogenous neurogenesis/oligodendrogenesis/angiogenesis.