| A | anteriority |
| ABC | avidin–biotin–peroxidase complex |
| CD11b | complement type 3 receptor |
| STR | striatum |
| CTX | motor cortex |
| DA | dopamine |
| DAergic | dopaminergic |
| GFAP | glial fibrillary acidic protein |
| KO | knockout |
| IgG | immunoglobulin G |
| i.p. | intraperitoneally |
| NAc | nucleus accumbens |
| PD | Parkinson’s disease |
| SNc | substantia nigra pars compacta |
| TH | tyrosine hydroxylase |
| VTA | ventral tegmental area |
| WT | wild-type |