| 7,8-DHF | 7,8-Dihydroxyflavone |
| Aβ | Amyloid β-Peptide |
| AD | Alzheimer’s Disease |
| ALS | Amyotrophic Lateral Sclerosis |
| BAD | Bcl-2 Antagonist of Cell Death |
| BBB | Blood–Brain Barrier |
| Bcl-2 | B-Cell Lymphoma 2 |
| BDNF | Brain-Derived Neurotrophic Factor |
| CBP | CREB Binding Protein |
| CREB | cAMP Response-Element Binding Protein |
| GPCRs | G Protein-Coupled Receptors |
| HAP1 | Huntingtin-Associated Protein 1 |
| HD | Huntington’s Disease |
| IGF-1 | Insulin-like Growth Factor I |
| MDD | Major Depressive Disorder |
| MeCP2 | Methyl-CpG Binding Protein 2 |
| MSNs | Medium-sized Spiny Neurons |
| NMDARs | N-methyl-d-aspartate Type of Glutamate Receptors |
| p75NTR | p75 Neurotrophin Receptor |
| PD | Parkinson’s Disease |
| PKA | Protein Kinase A |
| polyQ | Polyglutamine |
| PTEN | Phosphatase and Tensin Homolog |
| REST/NRSF | Repressor Element-1 Transcription Factor/Neuron-Restrictive Silencer Factor |
| RGC | Retinal Ganglion Cell |
| RhoGDI | Rho GDP Dissociation Inhibitor 1 |
| RIP | Regulated Intramembrane Proteolysis |
| Shc | Src-Homology 2-Domain Containing Adaptor Protein |
| Shp-2 | Src Homology-2 Domain-Containing Phosphatase-2 |
| SN | Substantia Nigra |
| SNpc | Substantia Nigra pars compacta |
| STEP | Striatal-Enriched Protein Tyrosin Phosphatase |
| Trk | Tropomyosin-Related Kinase |
| TrkB-FL | Full-Length TrkB |