| Aβ | β-amyloid |
| AD | Alzheimer’s disease |
| AKT | Protein kinase B |
| AMPK | Adenosine monophosphate-activated protein kinase |
| ApoE | Apolipoprotein E |
| APP | Amyloid Precursor Protein |
| AQP4 | Aquaporin-4 |
| ARM | Activated response microglia |
| ASC | Apoptosis-associated Speck-like protein containing a CARD |
| ATP | Adenosine triphosphate |
| BAMs | Border-associated macrophages |
| BBB | Blood–brain barrier |
| BDNF | Brain-derived neurotrophic factor |
| CD14 | Cluster of Differentiation 14 |
| CD33 | Siglec-3 |
| CD36 | Cluster of differentiation 36 |
| CD200 | Cluster of Differentiation 200 |
| CD200R | Cluster of Differentiation 200 receptor 1 |
| CNS | Central nervous system |
| Cx30 | Connexin 30 |
| Cx43 | Connexin 43 |
| CX3CL1 | Chemokine C-X3-C motif ligand 1 |
| CX3CR1 | CX3C motif chemokine receptor 1 |
| DAM | Disease-associated microglia |
| DAMPs | Damage-associated molecular patterns |
| DAP10 | DNAX-activating protein 10 |
| DAP12 | DNAX-activating protein 12 |
| DM | Dark microglia |
| DRP1 | Dynamin-related protein 1 |
| ER | Endoplasmic reticulum |
| EVs | Extracellular vesicles |
| Fe2+ | Iron |
| FGF | Fibroblast growth factor |
| FIS1 | Mitochondrial fission protein 1 |
| GABA | Gamma-aminobutyric acid |
| GFAP | Glial fibrillary acidic protein |
| GS | Glutamine synthetase |
| GSK-3β | Peroxisome proliferator-activated receptor gamma coactivator 1-alpha |
| IAAG | Impaired autophagia associated genes |
| ICE | Effector protease caspase-1 |
| IFN-γ | Interferon-gamma |
| Kir4.1 | Inwardly rectifying potassium channel 4.1 |
| ILs | Interleukins |
| IL-1α | Interleukin-1α |
| IL-1β | Interleukin-1β |
| IL-4 | Interleukin-4 |
| IL-6 | Interleukin-6 |
| IL-10 | Interleukin-10 |
| IL-18 | Interleukin-18 |
| iNOS | Inducible nitric oxide synthase |
| IRF | Interferon Regulatory Factor |
| JAK | Janus kinase |
| JAK2 | Janus kinase 2 |
| LDAM | Lipid droplet–accumulating microglia |
| LPS | Lipopolysaccharide |
| LRR | Leucine-rich repeat |
| MAMs | Mitochondria-associated membranes |
| MD-2 | Myeloid differentiation factor-2 |
| MGnD | Microglial neurodegenerative phenotype |
| MMP-9 | Matrix metalloproteinase-9 |
| mTOR | Mammalian target of rapamycin |
| MyD88 | Myeloid differentiation primary response 88 |
| NAD+ | Nicotinamide adenine dinucleotide |
| NDD | Neurodegenerative disease |
| NeuroD1 | Neuronal differentiation 1 |
| NF-κB | Nuclear Factor kappa-light-chain-enhancer of activated B cells |
| NG2 | Neuron-glial antigen 2 |
| NICD | Notch intracellular domain |
| NLRP3 | NOD-like receptor family pyrin domain containing 3 |
| NO | Nitric oxide |
| NOD | Nucleotide-binding oligomerization domain |
| Notch1 | Neurogenic locus notch homolog protein 1 |
| PAMPs | Pathogen-associated molecular patterns |
| PGC-1α | Peroxisome proliferator-activated receptor gamma coactivator 1-alpha |
| PGRN | Precursor protein of granulin |
| PEDF | Pigment epithelium–derived factor |
| PI3K | Phosphoinositide 3-kinase |
| PNS | Peripheral nervous system |
| PPAR-γ | Peroxisome proliferator-activated receptor gamma |
| PS1 | Presenilin 1 |
| P2X7 | P2X purinergic receptor 7 |
| RBP-J | Recombination signal binding protein for immunoglobulin kappa J region |
| ROS | Reactive oxygen species |
| Ser | Serine |
| Ser727 | Serine-727 |
| SH2 | Src homology 2 |
| SIRT1 | Sirtuin 1 |
| SMAD3 | Mothers against decapentaplegic homolog 3 |
| SOD | Superoxide dismutase |
| STAT | Signal transducer and activator of transcription |
| SYK | Spleen tyrosine kinase |
| TGF-β | Transforming growth factor-β |
| TIR | Toll/IL 1 receptor |
| TLR4 | Toll-like receptor 4 |
| TNF- α | Tumor necrosis factor α |
| TREM2 | Triggering receptor expressed on myeloid cells 2 |
| TRIF | TIR-domain-containing adapter-inducing interferon-β |
| Tyr | Tyrosine |
| Tyr705 | Tyrosine-705 |
| VEGF | Vascular endothelial growth factor |
| WAM | White matter–associated microglia |
| ZIP | Zrt- and Irt-like protein |
| ZnTs | Zinc transporters |