| PD | Parkinson’s disease |
| α-Syn | Alpha-synuclein |
| SARS-CoV-2 | severe acute respiratory syndrome coronavirus 2 |
| COVID-19 | 2019 novel coronavirus disease |
| LBs | Lewy bodies |
| N | nucleocapsid |
| S | spike |
| RBD | receptor-binding domain |
| ACE2 | angiotensin-converting enzyme 2 |
| NTD | N-terminal domain |
| CTD | C-terminal domain |
| PNS | peripheral nervous systems |
| CNS | central nervous systems |
| △G | binding free energy scores |
| Kd | dissociation constant |
| qRT-PCR | Quantitative real-time PCR |
| pS129 | phosphorylation at Ser129 |
| HKE29 | human kidney 293 |