| Abbreviation | Meaning |
| tPA | tissue plasminogen activator |
| HSCs | hematopoietic stem cells |
| NSCs | neural stem cells |
| MSCs | mesenchymal stem cells |
| IPSCs | induced pluripotent stem cells |
| MAP2 | microtubule-associated protein 2 |
| ECM | extracellular matrix |
| GDNF | glial cell line-derived neurotrophic factor |
| EPCs | endothelial progenitor cells |
| USC-Exos | urine-derived stem cells |
| NPCs | neural progenitor cells |
| MMPs | matrix metalloproteinases |
| TBI | traumatic brain injury |
| SVZ | subventricular zone |
| IV | intravenous |
| OPCs | oligodendrocyte progenitor cells |
| BM-MSCs | bone marrow-derived mesenchymal stem cells |
| NVU | neurovascular unit |
| IGF-1 | insulin-like growth factor |
| VEGF | vascular endothelial growth factor |
| EGF | epidermal growth factor |
| bFGF | basic fibroblast growth factor |
| BMPs | bone morphogenic proteins |
| MCAO | middle cerebral artery occlusion |
| SDF-1 | stromal cell-derived factor-1 |
| CXC4 | chemokine receptor type 4 |
| IL | interleukin |
| PGE2 | prostaglandin E2 |
| FGF2 | fibroblast growth factor 2 |
| VEGFR2 | vascular endothelial growth factor receptor 2 |
| BDNF | brain-derived neurotrophic factor |
| PD | Parkinson’s disease |
| SGZ | subgranular zone |
| BBB | blood-brain barrier |
| SGZ | subgranular zone |
| PDGF | platelet-derived growth factor |
| OGD/R | oxygen glucose deprivation/re-oxygenation |
| IC | intracerebral |
| IA | intra-arterial |
| TNF-α | tumor necrosis factor-α |
| DAMPs | damage-associated molecular patterns |
| MCP-1 | monocyte chemoattractant protein-1 |
| TGF-β | transforming growth factor-β |
| NGF | nerve growth factor |
| PEI | polyethyleneimine |
| CCR4 | CC chemokine receptor 4 |
| ROS | reactive oxygen species |
| I/R | ischemia/reperfusion |
| CUECD2 | CUE domain-containing 2 |
| NPs | nanoparticles |
| IFN-γ | interferon-γ |
| GFAP | glial fibrillary acidic protein |
| EVs | extracellular vesicles |
| UC-MSCs | umbilical cord-mesenchymal stem cells |
| HIF-1α | hypoxia-inducible factor-1α |
| CTZ | coelenterazine |
| TSPO | translocator protein |
| EE | enriched environment |
| VR | virtual reality |
| BCI | brain-computer interfaces |
| FES | functional electrical stimulation |
| TMS | transcranial magnetic stimulation |
| NTF | neurofeedback therapy |