| PK | Proteinase K |
| MALDI-TOF | Matrix-assisted Laser Desorption/Ionization Time of Flight |
| AD | Alzheimer’s disease |
| PD | Parkinson’s disease |
| ALS | Amyotrophic lateral sclerosis |
| SEM | Standard error of the mean |
| PK | Proteinase K |
| MALDI-TOF | Matrix-assisted Laser Desorption/Ionization Time of Flight |
| AD | Alzheimer’s disease |
| PD | Parkinson’s disease |
| ALS | Amyotrophic lateral sclerosis |
| SEM | Standard error of the mean |