E22G Pathogenic Mutation of β-Amyloid (Aβ) Enhances Misfolding of Aβ40 by Unexpected Prion-like Cross Talk between Aβ42 and Aβ40.

Abstract excerpt

Cross-seeding of misfolded amyloid proteins is postulated to induce cross-species infection of prion diseases. In sporadic Alzheimer's disease (AD), misfolding of 42-residue β-amyloid (Aβ) is widely considered to trigger amyloid plaque deposition. Despite increasing evidence that misfolded Aβ mimics prions, interactions of misfolded 42-residue Aβ42 with more abundant 40-residue Aβ40 in AD are elusive. This study...

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