Structure of [beta]-Amyloid Fibrils and Its Relevance to Their Neurotoxicity

Alzheimer's disease and cerebral amyloid angiopathy are characterized by the deposition of β-amyloid fibrils consisting of 40- and 42-mer peptides (Aβ40 and Aβ42). Since the aggregation (fibrilization) of these peptides is closely related to the pathogenesis of these diseases, numerous structur...

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Published in:Journal of bioscience and bioengineering 2005-05, Vol.99 (5), p.437
Main Authors: IRIE, KAZUHIRO, MURAKAMI, KAZUMA, MASUDA, YUICHI, MORIMOTO, AKIRA, OHIGASHI, HAJIME, OHASHI, RYUTARO, TAKEGOSHI, KIYONORI, NAGAO, MASAYA, SHIMIZU, TAKAHIKO, SHIRASAWA, TAKUJI
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container_title Journal of bioscience and bioengineering
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creator IRIE, KAZUHIRO
MURAKAMI, KAZUMA
MASUDA, YUICHI
MORIMOTO, AKIRA
OHIGASHI, HAJIME
OHASHI, RYUTARO
TAKEGOSHI, KIYONORI
NAGAO, MASAYA
SHIMIZU, TAKAHIKO
SHIRASAWA, TAKUJI
description Alzheimer's disease and cerebral amyloid angiopathy are characterized by the deposition of β-amyloid fibrils consisting of 40- and 42-mer peptides (Aβ40 and Aβ42). Since the aggregation (fibrilization) of these peptides is closely related to the pathogenesis of these diseases, numerous structural analyses of Aβ40 and Aβ42 fibrils have been carried out. Aβ42 plays a more important role in the pathogenesis of these diseases since its aggregative ability and neurotoxicity are considerably greater than those of Aβ40. This review summarizes mainly our own recent findings from the structural analysis of Aβ42 fibrils and discusses its relevance to their neurotoxicity in vitro.
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title Structure of [beta]-Amyloid Fibrils and Its Relevance to Their Neurotoxicity
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