| CCI | chronic nerve constriction injury |
| DMEM | Dulbecco’s Modified Eagle’s Medium |
| DMEM-Adv | Dulbecco’s Modified Eagle’s Medium Advance |
| ERb | epidermal receptor beta |
| EMA | European Medicines Agency |
| FBS | foetal bovine serum |
| FDA | Food and Drug Administration |
| GGF | glial growth factor 2 |
| HS | horse serum |
| MEM | Minimum Essential Medium |
| MPZ | myelin protein zero |
| NP | neuropathic pain |
| Nrf2 | nuclear factor erythroid 2-related factor 2 |
| Papp | apparent permeability coefficient |
| PCPA | P-chlorophenylalanine |
| PEA | palmitoylethanolamide |
| ROS | reactive oxygen species |
| RPMI-Adv | Roswell Park Memorial Institute-1640 Advance |
| SOD | superoxide dismutase |
| TJ | tight junction |
| TEER | transepithelial electrical resistance |
| TNFα | tumor necrosis factor α |
| 6-OHDA | 6-hydroxydopamine |
| ZO-1 | Zonula occludens-1 |