| AChRs | acetylcholine receptors |
| AD | Alzheimer’s disease |
| Akt | protein kinase B |
| ASC | apoptosis-associated speck-like protein |
| ATM | ataxia-teleangiectasia, mutated |
| ATP | adenosine triphosphate |
| ATR | ATM and Rad3-related |
| AQP4 | aquaporin 4 |
| BBB | blood–brain barrier |
| BDNF | brain-derived neurotrophic factor |
| BMAL1 | Basic Helix–Loop-Helix ARNT Like 1 |
| CARD | caspase activation and recruitment domain |
| CDK | cyclin-dependent kinase |
| cGAS | 2′3′-cyclic GMP-AMP synthase |
| CNS | central nervous system |
| COX | cyclooxygenase |
| CSF | cerebrospinal fluid |
| DAMPs | danger-associated molecular patterns |
| DDR | DNA damage response |
| DNA | deoxyribonucleic acid |
| EAAT | excitatory amino acid transporter |
| Ecrg4 | esophageal cancer-related gene 4 |
| ER | endoplasmic reticulum |
| ERK | extracellular-regulated kinase |
| FADD | FAS-associated death domain |
| GABA | gamma-aminobutyric acid |
| GFAP | glial fibrillary acidic protein |
| GSK3β | glycogen synthase kinase-3 beta |
| HMGB | high-mobility group B |
| HSP | heat shock protein |
| ICAM-1 | intercellular adhesion molecule-1 |
| IFN | interferon |
| IIS pathways | insulin and insulin-like growth factor 1-signaling pathways |
| IκB | inhibitor of κB |
| IKK | IκB kinase |
| IL | interleukin |
| IRF3 | interferon regulatory factor 3 |
| JAK/STAT pathway | Janus kinase/signal transducer and activator of transcription pathway |
| JNK | c-Jun N-terminal kinase |
| Kir | inwardly rectifying potassium channels |
| LINGO-1 | leucine-rich repeat and Ig-like domain-containing Nogo receptor-interacting protein 1 |
| LRP-1 | low-density lipoprotein receptor-related protein-1 |
| MAPK | mitogen-activated protein kinase |
| MBP | myelin basic protein |
| MCP | monocyte chemoattractant protein |
| MDM2 | mouse double minute 2 |
| MHC | major histocompatibility complex |
| MIP | macrophage inflammatory protein |
| MLKL | mixed lineage kinase domain-like |
| MMP | matrix metalloproteinase |
| MRI | magnetic resonance imaging |
| mTOR | mammalian target of rapamycin |
| mTORC | mechanistic target of rapamycin complex |
| MyD88 | myeloid differentiating factor 88 |
| NADPH | reduced nicotinamide adenine dinucleotide phosphate |
| NF-κB | nuclear factor κB |
| NLRS | NOD-like receptors |
| NMDA | N-methyl-D-aspartate |
| NOD | nucleotide-binding oligomerization domain |
| NPCs | neural progenitor cells |
| Nrf-2 | nuclear factor erythroid 2-related factor 2 |
| NVU | neurovascular unit |
| OPCs | oligodendrocyte progenitor cells |
| PAMPs | pathogen-associated molecular patterns |
| PARP1 | poly (adenosine diphosphate-ribose) polymerase 1 |
| PD | Parkinson’s disease |
| PDGF | Platelet-derived growth factor |
| PERK | protein kinase R-like endoplasmic reticulum kinase |
| PET | positron emission tomography |
| PGC-1α | peroxisome proliferator-activated receptor gamma coactivator 1 alpha |
| PI3K | phosphoinositide 3 kinase |
| PPAR | peroxisome proliferator-activated receptor |
| PRRs | pattern-recognition receptors |
| RAGE | receptor for advanced glycation end product |
| RANTES | regulated on activation, normal T-cell-expressed and -secreted (also known as CCL5) |
| RB | retinoblastoma protein |
| RIPK | receptor-interacting protein kinase |
| RNA | ribonucleic acid |
| ROS | reactive oxygen species |
| RUNX1 | runt-related transcription factor 1 |
| SA-β-gal | senescence-associated β galactosidase |
| SALL1 | Sal-like protein 1 |
| SAMD | senescence-associated mitochondrial dysfunction |
| SASP | senescence-associated secretory phenotype |
| SIPS | stress-induced premature senescence |
| STING | stimulator of interferon genes |
| TBK1 | TANK binding kinase 1 |
| TER | telomerase RNA |
| TERT | telomerase reverse transcriptase |
| TFAM | mitochondrial transcription factor A |
| TGF | transforming growth factor |
| TIMP-1 | tissue inhibitor of metalloproteinases 1 |
| TJ | tight junction |
| TLRs | toll-like receptors |
| TNF-α | tumor necrosis factor α |
| TNFR | tumor necrosis factor receptor |
| TRADD | TNF-receptor-associated death domain |
| TREMs | triggering receptor expressed on myeloid cells |
| VCAM-1 | vascular cell adhesion molecule 1 |
| VEGF | vascular endothelial growth factor |