Article
E22G Aβ40 fibril structure and kinetics illuminate how Aβ40 rather than Aβ42 triggers familial Alzheimer's.
Nature communications - 15 Aug 2024
Tehrani Mohammad Jafar, Matsuda Isamu, Yamagata Atsushi, Kodama Yu, Matsunaga Tatsuya, Sato Mayuko, Toyooka Kiminori, McElheny Dan, Kobayashi Naohiro, Shirouzu Mikako, Ishii Yoshitaka
Abstract excerpt
Arctic (E22G) mutation in amyloid-β (Aβ enhances Aβ40 fibril accumulation in Alzheimer's disease (AD). Unlike sporadic AD, familial AD (FAD) patients with the mutation exhibit more Aβ40 in the plaque core. However, structural details of E22G Aβ40 fibrils remain elusive, hindering therapeutic progress. Here, we determine a distinctive W-shaped parallel β-sheet structure through co-analysis by cryo-electron...
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