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@ARTICLE{Klein:809114,
author = {Klein, Antonia Nicole and Ziehm, Tamar and Tusche, Markus
and Buitenhuis, Johan and Bartnik, Dirk and Boeddrich,
Annett and Wiglenda, Thomas and Wanker, Erich and Funke,
Susanne Aileen and Brener, Oleksandr and Gremer, Lothar and
Kutzsche, Janine and Willbold, Dieter},
title = {{O}ptimization of the {A}ll-{D} {P}eptide {D}3 for {A}β
{O}ligomer {E}limination},
journal = {PLoS one},
volume = {11},
number = {4},
issn = {1932-6203},
address = {Lawrence, Kan.},
publisher = {PLoS},
reportid = {FZJ-2016-02505},
pages = {e0153035 -},
year = {2016},
abstract = {The aggregation of amyloid-β (Aβ) is postulated to be the
crucial event in Alzheimer’s disease (AD). In particular,
small neurotoxic Aβ oligomers are considered to be
responsible for the development and progression of AD.
Therefore, elimination of thesis oligomers represents a
potential causal therapy of AD. Starting from the
well-characterized D-enantiomeric peptide D3, we identified
D3 derivatives that bind monomeric Aβ. The underlying
hypothesis is that ligands bind monomeric Aβ and stabilize
these species within the various equilibria with Aβ
assemblies, leading ultimately to the elimination of Aβ
oligomers. One of the hereby identified D-peptides, DB3, and
a head-to-tail tandem of DB3, DB3DB3, were studied in
detail. Both peptides were found to: (i) inhibit the
formation of Thioflavin T-positive fibrils; (ii) bind to Aβ
monomers with micromolar affinities; (iii) eliminate Aβ
oligomers; (iv) reduce Aβ-induced cytotoxicity; and (v)
disassemble preformed Aβ aggregates. The beneficial effects
of DB3 were improved by DB3DB3, which showed highly enhanced
efficacy. Our approach yielded Aβ monomer-stabilizing
ligands that can be investigated as a suitable therapeutic
strategy against AD.},
cin = {ICS-6 / ICS-3},
ddc = {500},
cid = {I:(DE-Juel1)ICS-6-20110106 / I:(DE-Juel1)ICS-3-20110106},
pnm = {553 - Physical Basis of Diseases (POF3-553) / 551 -
Functional Macromolecules and Complexes (POF3-551)},
pid = {G:(DE-HGF)POF3-553 / G:(DE-HGF)POF3-551},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000374565100009},
doi = {10.1371/journal.pone.0153035},
url = {https://juser.fz-juelich.de/record/809114},
}