| AD | Alzheimer’s disease |
| APP | amyloid precursor protein |
| CDK5 | cyclin-dependent kinase 5 |
| EP | The external plexiform layer |
| Gr | The granule cell layer |
| GSK-3β | glycogen synthase kinase-3β |
| IP | The inner plexiform layer |
| MT | The mitral and tufted cell layer |
| OB | Olfactory bulb |
| PHF | paired helical filaments |
| Se-Met | Selenomethionine |
| 3× Tg-AD mice | Triple transgenic mouse model of AD |