| Aβ | amyloid-beta |
| AD | Alzheimer’s disease |
| Ang-2 | Angiopep-2 |
| AMT | adsorptive-mediated transcytosis |
| ApoE3 | Apolipoprotein E3 |
| ApoE-SLNs | ApoE-functionalized solid lipid NPs |
| BBB | blood–brain barrier |
| BCECs | brain capillary endothelial cells |
| BDNF | brain-derived neurotrophic factor |
| BTE | brain tumor-related epilepsy |
| CAGR | compound annual growth rate |
| CBD | cannabidiol |
| CNS | central nervous system |
| CPP | cell-penetrating peptide |
| CRT | cyclic CRTIGPSVC |
| Cur | curcumin |
| DOX | doxorubicin |
| DXT | docetaxel |
| EMA | European Medicines Agency |
| FA | folic acid |
| FUS | focused ultrasound |
| Gb3 | globotriaosylceramide |
| GMP | Good Manufacturing Practice |
| HA | hyaluronic acid |
| HSA | human serum albumin |
| LDL | low-density lipoprotein |
| Lf | lactoferrin |
| LfR | lactoferirn receptors |
| LPS | lipopolysaccharide |
| LRP-1 | lipoprotein receptor-related protein 1 |
| nAChR | nicotinic acetylcholine receptor |
| NGF | nerve growth factor |
| NLCs | nanostructured lipid carriers |
| NPs | nanoparticles |
| mAb | monoclonal antibody |
| MYR | myricetin |
| PBCECs | porcine brain capillary endothelial cells P |
| pBDNF | BDNF plasmid |
| PCB | polycarboxybetaine |
| PEG | polyethylene glycol |
| PLGA | polylactic-co-glycolic acid |
| PTX | paclitaxel |
| ROS | reactive oxygen species |
| RVG | rabies virus glycoprotein |
| SHK | shikonin |
| scFv | single-chain variable fragment |
| siRNA | interfering RNA |
| SLNs | solid lipid nanoparticles |
| STxB | shiga toxin B |
| TAT | transactivator of transcription peptide |
| Tf | transferrin |
| TfRs | transferrin receptors |
| TMC | N-trimethyl chitosan |
| TTF | tumor-treating fields |