Amyloid toxicity in Alzheimer's disease

AB Reiss, HA Arain, MM Stecker… - Reviews in the …, 2018 - degruyter.com
A major feature of Alzheimer's disease (AD) pathology is the plaque composed of
aggregated amyloid-β (Aβ) peptide. Although these plaques may have harmful properties …

Polymorphism in Alzheimer Aβ amyloid organization reflects conformational selection in a rugged energy landscape

Y Miller, B Ma, R Nussinov - Chemical reviews, 2010 - ACS Publications
Amyloids can have normal biological functions. 1r3 However, amyloidogenic proteins can
also form unwanted oligomeric or polymeric aggregates when disturbed from their native …

A causative link between the structure of aberrant protein oligomers and their toxicity

S Campioni, B Mannini, M Zampagni… - Nature chemical …, 2010 - nature.com
The aberrant assembly of peptides and proteins into fibrillar aggregates proceeds through
oligomeric intermediates that are thought to be the primary pathogenic species in many …

Molecular basis for amyloid-β polymorphism

JP Colletier, A Laganowsky… - Proceedings of the …, 2011 - National Acad Sciences
Amyloid-beta (Aβ) aggregates are the main constituent of senile plaques, the histological
hallmark of Alzheimer's disease. Aβ molecules form β-sheet containing structures that …

Heteromultivalent peptide recognition by co-assembly of cyclodextrin and calixarene amphiphiles enables inhibition of amyloid fibrillation

Z Xu, S Jia, W Wang, Z Yuan, B Jan Ravoo, DS Guo - Nature chemistry, 2019 - nature.com
Heteromultivalency, which involves the simultaneous interactions of more than one type of
ligand with more than one type of receptor, is ubiquitous in living systems and provides a …

Negatively charged gold nanoparticles inhibit Alzheimer's amyloid‐β fibrillization, induce fibril dissociation, and mitigate neurotoxicity

YH Liao, YJ Chang, Y Yoshiike, YC Chang, YR Chen - Small, 2012 - Wiley Online Library
Amyloids are pathogenic hallmarks in many neurodegenerative diseases such as amyloid‐β
(Aβ) fibrils in Alzheimer's disease (AD). Here, the effect of gold nanoparticles (AuNPs) on …

Direct three-dimensional visualization of membrane disruption by amyloid fibrils

L Milanesi, T Sheynis, WF Xue… - Proceedings of the …, 2012 - National Acad Sciences
Protein misfolding and aggregation cause serious degenerative conditions such as
Alzheimer's, Parkinson, and prion diseases. Damage to membranes is thought to be one of …

The interplay of catalysis and toxicity by amyloid intermediates on lipid bilayers: insights from type II diabetes

JA Hebda, AD Miranker - Annual review of biophysics, 2009 - annualreviews.org
The dynamics, energies, and structures governing protein folding are critical to biological
function. Amyloidoses are a class of disease defined, in part, by the misfolding and …

The culprit behind amyloid beta peptide related neurotoxicity in Alzheimer's disease: oligomer size or conformation?

K Broersen, F Rousseau, J Schymkowitz - Alzheimer's research & therapy, 2010 - Springer
Since the reformulation of the amyloid cascade hypothesis to focus on oligomeric
aggregates of amyloid beta as the prime toxic species causing Alzheimer's disease, many …

A key role for lysine residues in amyloid β-protein folding, assembly, and toxicity

S Sinha, DHJ Lopes, G Bitan - ACS Chemical Neuroscience, 2012 - ACS Publications
A combination of hydrophobic and electrostatic interactions is important in initiating the
aberrant self-assembly process that leads to formation of toxic oligomers and aggregates by …