Review Article

Molecular Insight into the Therapeutic Promise of Targeting APOE4 for Alzheimer’s Disease

Table 1

Outline of therapeutic agents for targeting APOE4 for Alzheimer’s disease.

Therapeutic strategiesPrincipleStudiesReferences
Animal modelsHumans

RXR, LXR, PPARγ agonistsIncreases the lipidation of APOE and promotes Aβ clearanceMouseYes[7590, 91, 98]
Anti-APOE4 monoclonal antibodyIncreases amyloid clearance and decreases APOE-associated toxic effectsYes[99102, 122, 196]
Small peptides comprising the receptor-binding region in APOEReduces inflammation and neurotoxicity, increases APOE3-linked protective functionsMouseNo[123, 132, 133, 197, 198]
Small moleculesIncreases Aβ clearance, APOE signaling, and cholesterol transportMouseNo[175, 176]
APOE4 structure correctors (GIND25 and PH002)Interferes with domain-domain interaction in APOE4 thus reducing its toxic effectsNo[145147]
Viral-mediated APOE2 expressionEnhances APOE-connected neurodefensive effectsMouseYes[166, 169, 199]
Aβ12-28P, Aβ20-29 peptide, small-molecule inhibitorsIncreases amyloid clearanceMouseNo[153157]
Cyclosporine ADecreases leakage of blood-derived toxic molecules in APOE4-carrying brainMouseYes[179, 200]