Why does astrocyte-specific APOE3Ch expression provide superior amyloid protection compared to APOE3?

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Description

While both APOE variants reduced amyloid burden, APOE3Ch showed superior effects on oligomeric Aβ and plaque morphology. The cell-type specific mechanisms underlying this differential efficacy remain unexplained, limiting rational therapeutic design.

Gap type: unexplained_observation Source paper: Astrocytic APOE3-Christchurch expression ameliorates brain amyloid-β pathology in 5xFAD mice. (2026, Translational psychiatry, PMID:41916957)

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