| 6-OHDA | 6-Hydroxydopamine |
| ADN | Activity-Dependent Neurotrophic Factor |
| aNPCs | adult Neural Precursor Cells |
| ARE | Antioxidant Response Element |
| BDNF | Brain-Derived Neurotrophic Factor |
| BBB | Blood–Brain Barrier |
| CNS | Central Nervous System |
| COX-2 | Cyclooxygenase-2 |
| CTNF | Ciliary Neurotrophic Factor |
| DA | Dopamine |
| DAergic | Dopaminergic |
| E2 | Estradiol |
| ECM | Extracellular Matrix |
| En-1 | Engrailed-1 (DA-specific transcription factor) |
| ER-α/ER-β | Estrogen Receptor alpha/beta |
| FGF2 | Basic Fibroblast Growth Factor |
| GABA | Gamma–Aminobutyric Acid |
| GCs | Glucocorticoids |
| GDNF | Glial cell line-Derived Neurotrophic Factor |
| GFAP | Glial Fibrillary Acidic Protein |
| GLU | Glutamate |
| GC | Glucocorticoid |
| GR | Glucocorticoid Receptor |
| GSH | Glutathione |
| GSK3β | glycogen synthase kinase 3beta |
| H2O2 | Hydrogen Peroxide |
| HGF | Hepatocyte Growth Factor |
| hiPSCs | human induced Pluripotent Stem Cells |
| IFN-γ | Interferon gamma |
| IL-1β/IL-4/IL-6 | Interleukins (beta, 4, 6) |
| iNOS | inducible Nitric Oxide Synthase |
| iPSCs | induced Pluripotent Stem Cells |
| LPS | Lipopolysaccharide |
| LRP5/6 | low-density lipoprotein receptor-related proteins |
| MAO/MAO-B | Monoamine Oxidase/Monoamine Oxidase B |
| MANF | Mesencephalic Astrocyte-derived Neurotrophic Factor |
| MHC | Major Histocompatibility Complex |
| MMP-9/MMPs | Matrix Metalloproteinase-9/Matrix Metalloproteinases |
| MPP+ | 1-methyl-4-phenylpyridinium |
| MPTP | 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine |
| MRP1 | Multidrug Resistance-Associated Protein 1 |
| NADPH | Nicotinamide Adenine Dinucleotide Phosphate |
| NF-κB | Nuclear Factor kappa-light-chain-enhancer of activated B cells |
| NGF | Nerve Growth Factor |
| NO | Nitric Oxide |
| NPCs | Neural Precursor Cells |
| Nrf2 | NF-E2–related factor 2 |
| NSAIDs | Non-Steroidal Anti-Inflammatory Drugs |
| NSCs | Neural Stem Cells |
| NT-3 | Neurotrophin-3 |
| ONOO- | Peroxynitrite |
| Otx-2 | Orthodenticle Homeobox 2 (DA-specific transcription factor) |
| Pax-2 | Paired Box 2 (DA-specific transcription factor) |
| PD | Parkinson’s disease |
| PGs | Prostaglandins |
| PHOX | NADPH oxidase |
| PGE2 | Prostaglandin E2 |
| RNS | Reactive Nitrogen Species |
| ROS | Reactive Oxygen Species |
| SD | Serum Deprivation |
| SNpc | Substantia Nigra pars compacta |
| SOD | Superoxide Dismutase |
| STAT1 | Signal Transducer and Activator of Transcription 1 |
| SVZ | Subventricular Zone |
| TH+ neurons | Tyrosine Hydroxylase–positive neurons |
| TNF-α | Tumor Necrosis Factor alpha |
| TGF-β1 | Transforming Growth Factor Beta 1 |
| VM | Ventral Midbrain |
| Wnt/Wnt1/Wnt5a | Wingless-type MMTV integration site family |