| CaM | calmodulin |
| CCI | chronic contrition injury |
| CNS | central nervous system |
| DOR | delta-opioid receptor |
| DRG | dorsal root ganglia |
| HINT1 | histidine triad nucleotide binding protein 1 |
| MOR | mu-opioid receptor |
| NMDAR | N-methyl-d-aspartate acid glutamate receptor |
| σ1R | type 1 sigma receptor |
| TRP | transient receptor potential calcium channel |
| TRPA1 | transient receptor potential ankyrin member 1 |
| WT | wild type |