Senile plaques in the brain of patients with Alzheimers disease mainly consist of aggregates of amyloid β peptides (Aβ42, Aβ40). Aβ42 is more neurotoxic than Aβ40. This review describes recent findings from a structural analysis of Aβ42 aggregates and discusses their relevance to neurotoxicity through the formation of radicals.
Keywords: Alzheimer's disease, amyloidβ, cerebral amyloid angiopathy, ESR, neurotoxicity, proline, oxidative stress, solidstate NMR
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