| AD | Alzheimer’s disease |
| ALS | amyotrophic lateral sclerosis |
| BBB | blood-brain barrier |
| CSF | central spinal fluid |
| EV | extracellular vesicle |
| miRNA and circRNA | micro and circular RNAs |
| MVB | multivesicular body |
| OPI | ocular imaging |
| PD | Parkinson’s disease |
| TDP-43 | transactive response DNA/RNA binding protein of 43kDa |