| 5-HT | serotonin |
| ABT | activity box test |
| BBB | Basso, Beattie and Bresnahan |
| CNS | central nervous system |
| DAPI | 4′,6-diamidino-2-phenylindole |
| DCX | doublecortin |
| dpi | days post injury |
| GFAP | glial fibrillary acidic protein |
| hpi | hours post injury |
| IL | interleukin |
| IFN | interferon |
| iNOS | inducible nitric oxide synthase |
| ip | intraperitoneal |
| MST | motor swimming test |
| OCT | optimal cutting temperature |
| PBS | phosphate buffer solution |
| PFA | paraformaldehyde |
| RT | room temperature |
| SCI | spinal cord injury |
| SEM | standard error of the mean |
| SERT | serotonin transporter |
| SSRI | selective serotonin reuptake inhibitor |
| TH | tyrosine hydroxylase |
| TNF | tumor necrosis factor |
| wpi | weeks post-injury |