Abstract:Amyloid-β (Aβ) monomers assemble into mature fibrils via a range of metastable oligomeric and protofibrillar intermediates. These Aβ assemblies have been shown to bind to lipid bilayers. This can disrupt membrane integrity and cause a loss of cellular homeostasis, that triggers a cascade of events leading to Alzheimer’s disease. However, molecular mechanisms of Aβ cytotoxicity and how the different assembly forms interact with the membrane remain enigmatic. Here we use cryo-electron tomography (cryoET) to obta… Show more
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