| 5-HT | Serotonin |
| AAP | Amyloid precursor protein |
| ACE | Angiotensin converting enzyme |
| ACT | Acceptance and commitment therapy |
| ACTH | Adrenocorticotropin hormone |
| AKT | Protein kinase B |
| AMPA | α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid |
| Ang | Angiotensin |
| Arg-1 | Arginase-1 |
| AT1R | Angiotensin II type 1 receptor |
| ATP | Adenosine triphosphate |
| Aβ | Amyloid beta |
| BACE | β-amyloid precursor protein cleavage enzyme 1 |
| Bax | B-cell lymphoma-2-associated X |
| Bcl-2 | B-cell lymphoma-2 |
| BDNF | Brain-derived neurotrophic factor |
| BrdU+ | Bromodeoxyuridine |
| CA1 | Cornu ammonis 1 |
| Ca2+ | Calcium |
| CB | Endocannabinoid receptor |
| CBF | Cerebral blood flow |
| CBT | Cognitive behavioral therapy |
| CCH | Chronic cerebral hypoperfusion |
| CCK-8 | Cholecystokinin octapeptide |
| Cd206 | Cluster of differentiation 206 |
| Cd86 | Cluster of differentiation 86 |
| CGRP | Calcitonin gene-related peptide |
| CNPase | 2′, 3′-cyclic-nucleotide 3′-phosphodiesterase |
| CNR1 | Cannabinoid receptor 1 |
| COMT | Catechol-O-methyl-transferase |
| CREB | Cyclic-AMP-responsive element-binding protein |
| CRF-1 | Corticotropin-releasing factor 1 |
| CRFR2 | Corticotropin-releasing hormone receptor 2 |
| CRH1 | Corticotropin-releasing hormone 1 |
| CRHR1 | Corticotropin-releasing hormone receptor 1 |
| CSF | Cerebral spinal fluid |
| CXCL10 | C-X-C motif chemokine ligand 10 |
| CXCR3+ | C-X-C motif chemokine receptor 3 |
| DCX | Doublecortin |
| DG | Dentate gyrus |
| DNA | Deoxyribonucleic acid |
| DNMT | DNA methyltransferase |
| ERK | Extracellular signaling-regulated kinase |
| FOX01 | Forkhead box protein O1 |
| FTO | Fat mass and obesity-associated protein |
| GABA | Gamma-aminobutyric acid |
| GAD | Generalized anxiety disorder |
| GAD67 | Glutamate decarboxylase 67 |
| GADD45 | DNA damage 45 |
| GAP43 | Growth-associated protein 43 |
| GIRK/Kir3 | G protein-activated inwardly rectifying potassium |
| GlcNAc | β-N-acetylglucosamine |
| GLT-1 | Glutamate transporter 1 |
| GluA1 | Glutamate A1 subunit |
| GluA2 | Glutamate A2 subunit |
| GPER | G protein-coupled estrogen receptors |
| Grin1 | Glutamate receptor ionotropic N-methyl-D-aspartate subunit 1 |
| GSDMD+ | Gasdermin D |
| GSK-3β | Glycogen synthase kinase-3β |
| H3K9ac | Histone H3 lysine 9 |
| HCN | Hyperpolarization-activated Cyclic Nucleotide-gated |
| HCN2 | Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated ion channel 2 |
| HDAC | Histone deacetylase |
| HPA | Hypothalamus-pituitary-pituitary-adrenal |
| IBA-1 | Ionized calcium binding adaptor molecule 1 |
| ICH | Intracerebral hemmorhage |
| IFN | Interferon |
| IGF-1 | Insulin-like growth factor 1 |
| IL-10 | Interleukin-10 |
| IL-1β | Interleukin 1β |
| IL-6 | Interleukin 6 |
| IR | Insulin receptor |
| IRE1α | Inositol requiring enzyme-1 alpha |
| IRS-1 | Insulin receptor substrate-1 |
| ISI | Inter-Spike Interval |
| JAK2 | Janus kinase 2 |
| JNK | c-Jun N-terminal kinase |
| K+ | Potassium |
| KCNQ | Potassium channel Kv7 |
| Keap1 | Kelch-like ECH-associated protein 1 |
| LTP | Long-term potentiation |
| m6A | N6-methyladenosine |
| MAP-2 | Microtubule-associated protein |
| MAPK | Mitogen-activated protein kinase |
| MCP-1 | Monocyte chemoattractant protein-1 |
| MDD | Major depressive disorder |
| mFPI | Mild fluid percussion injury |
| MIP-2 | Macrophage inflammatory protein-2 |
| miR-25-3p | MicroRNA-25-3p |
| mRNA | Messenger ribonucleic acid |
| mTBI | Mild traumatic brain injury |
| mTOR | Mammalian target of rapamycin |
| Myc | Myelocytomatosis oncogene |
| NCAM | Neural cell adhesion molecule |
| NE | Neutrophil elastase |
| NF-kβ | Nuclear factor kappa β |
| NGF | Nerve growth factor |
| NMDA | N-methyl-D-aspartate |
| NMDAR | NMDA receptor |
| NOS2 | Nitric oxide synthase 2 |
| NOX4 | NADPH oxidase complex |
| NPY | Neuropeptide Y |
| NR2A | NMDA receptor subtype 2A |
| NR2B | NMDA receptor subtype 2B |
| Nrf2 | Nuclear factor erythroid-derived-2-related factor 2 |
| Olig2 | Oligodendrocyte transcription factor 2 |
| PARP | Poly (ADP-ribose) polymerase |
| PDK1 | 3-phosphoinositide-dependent protein kinase-1 |
| PERK | Protein kinase R-like ER kinase |
| PI3K | Nrf2-TrkB-phosphoinositide-3-kinase |
| PINK1 | PTEN-induced putative kinase 1 |
| PKA | Protein kinase A |
| PPF | Paired-pulse facilitation |
| PPR | Paired-pulse ratio |
| PSD | Post stroke depression |
| PSD-93/95 | Postsynaptic density protein-93/95 |
| PTSD | Post-traumatic stress disorder |
| RAS | Renin-angiotensin system |
| ROS | Reactive oxygen species |
| SAH | Subarachnoid hemorrhage |
| SERT | Serotonin transporter |
| SNRI | Serotonin–norepinephrine reuptake inhibitors |
| SOD | Superoxide dismutase |
| SP | Substance P |
| SSRI | Selective serotonin reuptake inhibitors |
| STAT1 | Signal transducer and activator of transcription |
| STING | Stimulator of interferon genes |
| SYP | Synaptophysin |
| TBI | Traumatic brain injury |
| TCA | Tricyclic antidepressants |
| TFRC | Transferrin receptor |
| TGFβ | Transforming growth factor β |
| TLR | Toll-like receptor |
| TNFR1 | Tumor necrosis factor receptor |
| TNFα | Tumor necrosis factor-alpha |
| TrkB | Tropomycin receptor kinase B |
| UPR | Unfolded protein response |
| VCAN | Versican |
| VEGF | Vascular endothelial growth factor |
| VCID | Vascular cognitive impairment and dementia |
| VTA | Ventral tegmental area |
| α7-nAChR | Alpha-7 nicotinic receptor |