| AD | Alzheimer disease |
| BBB | blood–brain barrier |
| Iba-1 | ionized calcium binding adaptor molecule-1 |
| LPS | lipopolysaccharide |
| MMP-2/-9 | metalloproteinases 2 and 9 |
| PD | Parkinson’s disease |
| PFA | paraformaldehyde |
| THir | TH-positive |
| TJ | tight junction |
| TLR4 | toll like receptor-4 |
| ZO-1 | zonula occludens-1 |