Matches in SemOpenAlex for { <https://semopenalex.org/work/W2309083668> ?p ?o ?g. }
- W2309083668 abstract "Metals including iron are present at high concentrations in amyloid plaques in patients with Alzheimer's disease where they are also thought to be co-factors in generating oxidative stress and modulating amyloid formation. In this study we present data from several Drosophila models of neurodegenerative proteinopathies indicating that the interaction between iron and Aβ is specific and is not seen for other aggregation-prone polypeptides. The interaction with iron is likely important in the dimerisation of Aβ and is mediated by three N-terminal histidines. Transgenic fly lines systematically expressing all combinations of His>Ala substitutions in Aβ were generated and were used to study the pathological role of these residues. Developmental eye phenotypes, longevity and histological examinations indicate that the N-terminal histidines have distinct position-dependent and -independent mechanisms. The former mediate the toxic effects of metals and Aβ aggregation under non-oxidising conditions and the latter are relevant under oxidising conditions. Understanding how Aβ mediates neurotoxic effects in vivo will help us better target pathological pathways using aggregation-blockers and metal-modifying agents." @default.
- W2309083668 created "2016-06-24" @default.
- W2309083668 creator A5012123270 @default.
- W2309083668 creator A5045465592 @default.
- W2309083668 creator A5082766822 @default.
- W2309083668 date "2015-01-01" @default.
- W2309083668 modified "2023-09-26" @default.
- W2309083668 title "Iron is a specific cofactor for distinct oxidation- and aggregation-dependent Aβ toxicity mechanisms" @default.
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