| SCI | Spinal cord injury |
| MSC | Mesenchymal stem cell |
| NV | Exosome-mimetic nanovesicle |
| VLA4 | Very late antigen 4 |
| FBS | Fetal bovine serum |
| PBS | Phosphate buffered saline |
| LPS | Lipopolysaccharide |
| ERK | Extracellular signal-regulated kinases |
| AKT | Serine/threonine-specific protein kinase |
| PI3K | Phosphatidylinositol 3-kinases |
| PCNA | Proliferating cell nuclear antigen |
| HUVEC | Human umbilical vein endothelial cell |
| qRT-PCR | Quantitative real-time polymerase chain reaction |
| vWF | von Willebrand factor |
| Arg1 | Arginase 1 |
| NF | Neurofilament |
| GFAP | Glial fibrillary acidic protein |
| CSPG | chondroitin sulfate proteoglycans |
| TUNEL | Terminal deoxynucleotidyl transferase dUTP nick end labeling |
| TNFα | Tumor necrosis factor alpha |
| BMS | Basso mouse scale |
| PEG | Polyethylene glycol |
| TEM | Transmission electron microscopy |
| FACS | Fluorescence-activated cell sorting |
| IL | Interleukin |
| Nos2 | Nitric oxide synthase 2 |
| IHC | Immunohistochemistry |
| Vegf | Vascular endothelial growth factor |
| ECM | Extracellular matrix |