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@ARTICLE{Hasecke:888243,
author = {Hasecke, Filip and Niyangoda, Chamani and Borjas, Gustavo
and Pan, Jianjun and Matthews, Garrett and Muschol, Martin
and Hoyer, Wolfgang},
title = {{P}rotofibril‐{F}ibril {I}nteractions {I}nhibit {A}myloid
{F}ibril {A}ssembly by {O}bstructing {S}econdary
{N}ucleation},
journal = {Angewandte Chemie / International edition},
volume = {60},
number = {6},
issn = {1521-3773},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2020-04792},
pages = {3016-3021},
year = {2021},
abstract = {Amyloid-b peptides (Ab) assemble into both rigidamyloid
fibrils and metastable oligomers termed AbO orprotofibrils.
In Alzheimers disease, Ab fibrils constitute thecore of
senile plaques, but Ab protofibrils may represent themain
toxic species. Ab protofibrils accumulate at the exterior
ofsenile plaques, yet the protofibril–fibril interplay is
not wellunderstood. Applying chemical kinetics and atomic
forcemicroscopy to the assembly of Ab and lysozyme,
protofibrilsare observed to bind to the lateral surfaces of
amyloid fibrils.When utilizing Ab variants with different
critical oligomerconcentrations, the interaction inhibits
the autocatalytic proliferationof amyloid fibrils by
secondary nucleation on thefibril surface. Thus, metastable
oligomers antagonize theirreplacement by amyloid fibrils
both by competing for monomersand blocking secondary
nucleation sites. The protofibril—fibril interaction
governs their temporal evolution andpotential to exert
specific toxic activities.},
cin = {IBI-7},
ddc = {540},
cid = {I:(DE-Juel1)IBI-7-20200312},
pnm = {5244 - Information Processing in Neuronal Networks
(POF4-524) / BETACONTROL - Control of amyloid formation via
beta-hairpin molecular recognition features (726368)},
pid = {G:(DE-HGF)POF4-5244 / G:(EU-Grant)726368},
typ = {PUB:(DE-HGF)16},
pubmed = {33095508},
UT = {WOS:000598234800001},
doi = {10.1002/anie.202010098},
url = {https://juser.fz-juelich.de/record/888243},
}