Auto-generated challenge from hypothesis h-0bcda2e0 (composite_score=0.811). Target gene: APOE, CLU. Source hypothesis title: CLU/APOE Duality in Amyloid Clearance Determines Cell-Type-Specific Vulnerability Thresholds. Success criteria: 1. Anti-CLU antibody increases amyloid-beta uptake by >30% in primary microglia. 2. APOE4/4 iPSC-derived astrocytes show >40% increase in A-beta clearance vs. isotype control. 3. Cell-type-specific vulnerability threshold (FRET-based) shifts by >25%. 4. No increase in inflammatory activation markers (CD68, MHC-II) vs. baseline.