| AD | Alzheimer’s Disease |
| SCI | Subjective cognitive impairment |
| LBD | Lewy body dementia |
| CSF | Cerebrospinal fluid |
| Aβ | Amyloid beta peptide |
| ECB | Encapsulated cell biodelivery |
| NGF | Nerve Growth Factor |
| ECB-NGF | Encapsulated cell biodelivery-NGF device |
| RPE | Retinal pigment epithelial |
| AMD | Age-related macular degeneration |
| mNGF | mature NGF |
| hmNGF | human mature NGF |
| proNGF | Precursor form of NGF |
| IL-1β | Interleukin-1beta |
| TNFα | Tumour necrosis factor alpha |
| BFCN | Basal forebrain cholinergic neurons |
| TrkA | Tropomyosin receptor kinase A |
| PCR | Polymerase chain reaction |
| ACM | Astrocyte conditioned media |
| V/PI | Annexin-V/Propidium Iodide |