| AD | Alzheimer’s disease |
| ADSCs | adipose-derived stem cells |
| ASCs | adult stem cells |
| BDNF | brain-derived neurotrophic factor |
| BME | β-mercaptoethanol |
| bFGF | basic fibroblastic growth factor |
| C1 | CultureOne |
| Ca2+ | calcium |
| CGRP | calcitonin gene-related peptide |
| CNS | central nervous system |
| CNTF | ciliary neurotrophic factor |
| CM | conditioned medium |
| EGF | epidermal growth factor |
| ESCs | embryonic stem cells |
| EVs | extracellular vesicles |
| FGF-2 | fibroblast growth factor 2 |
| GDNF | glial-derived neurotrophic factor |
| hADSCs | human ADSCs |
| HGF | hepatic growth factor |
| HPL | human platelet lysate |
| hPSCs | human pluripotent stem cells |
| IBMX | 3-Isobutyl-1-methylxanthine |
| iNSCs | induced neural stem cell-like cells |
| iPSCs | induced pluripotent stem cells |
| LC | L-carnitine |
| mRNA | messenger RNA |
| MSCs | mesenchymal stem cells |
| NGF | nerve growth factor |
| NICD | Notch intracellular domain |
| NSCs | neural stem cells |
| NT-3 | neurotrophin-3 |
| NTN | neurturin |
| OCD | obsessive-compulsive disorder |
| PBM | photobiomodulation |
| PD | Parkinson’s disease |
| PDGF | platelet-derived growth factor |
| PKA | protein kinase A |
| qPCR | quantitative polymerase chain reaction |
| RA | retinoic acid |
| RARs | RA receptors |
| RNA | ribonucleic acid |
| SCI | spinal cord injury |
| scRNA-seq | single-cell RNA sequencing |
| SSRIs | selective serotonin reuptake inhibitors |
| SVF | stromal vascular fraction |
| SVZ | subventricular zone |
| TGF-β | transforming growth factor beta |
| VEGF | vascular endothelial growth factor |
| VPA | Valproic Acid |
| Wnt | Wingless-related integration site |