| AAV | Adeno-associated virus |
| Ad | Adenovirus |
| BBB | Blood–brain barrier |
| CNS | Central neural system |
| DNA | Deoxyribonucleic acid |
| GDNF | Glial cell-line derived neurotrophic factor |
| FGF | Fibroblast growth factor |
| HSPG | Heparan sulfate proteoglycan |
| HSV | Herpes simplex virus |
| NDD | Neuro-degenerative disease |
| PDGFR | Platelet-derived growth factor receptor |
| RNA | Ribonucleic acid |
| SFV | Semliki forest virus |
| SMN | Survival motor neuron protein |
| VEGF | Vascular endothelial growth factor |