Amyloid oligomers: A joint experimental/computational perspective on Alzheimer's disease, Parkinson's disease, type II diabetes, and amyotrophic lateral sclerosis

PH Nguyen, A Ramamoorthy, BR Sahoo… - Chemical …, 2021 - ACS Publications
Protein misfolding and aggregation is observed in many amyloidogenic diseases affecting
either the central nervous system or a variety of peripheral tissues. Structural and dynamic …

The amyloid-β oligomer hypothesis: beginning of the third decade

EN Cline, MA Bicca, KL Viola… - Journal of Alzheimer's …, 2018 - journals.sagepub.com
The amyloid-β oligomer (AβO) hypothesis was introduced in 1998. It proposed that the brain
damage leading to Alzheimer's disease (AD) was instigated by soluble, ligand-like AβOs …

A hairpin motif in the amyloid-β peptide is important for formation of disease-related oligomers

M Khaled, I Rönnbäck, LL Ilag… - Journal of the …, 2023 - ACS Publications
The amyloid-β (Aβ) peptide is associated with the development of Alzheimer's disease and
is known to form highly neurotoxic prefibrillar oligomeric aggregates, which are difficult to …

Aβ-oligomers: A potential therapeutic target for Alzheimer's disease

S Ghosh, R Ali, S Verma - International Journal of Biological …, 2023 - Elsevier
The cascade of amyloid formation relates to multiple complex events at the molecular level.
Previous research has established amyloid plaque deposition as the leading cause of …

Effects of in vivo conditions on amyloid aggregation

MC Owen, D Gnutt, M Gao, SKTS Wärmländer… - Chemical Society …, 2019 - pubs.rsc.org
One of the grand challenges of biophysical chemistry is to understand the principles that
govern protein misfolding and aggregation, which is a highly complex process that is …

Simulation studies of amyloidogenic polypeptides and their aggregates

IM Ilie, A Caflisch - Chemical reviews, 2019 - ACS Publications
Amyloids, fibrillar assembly of (poly) peptide chains, are associated with neurodegenerative
illnesses such as Alzheimer's and Parkinson's diseases, for which there are no cures. The …

Mechanism of protein aggregation inhibition by arginine: blockage of anionic side chains favors unproductive encounter complexes

YK Ng, L Konermann - Journal of the American Chemical Society, 2024 - ACS Publications
Aggregation refers to the assembly of proteins into nonphysiological higher order structures.
While amyloid has been studied extensively, much less is known about amorphous …

Advances of metallodrug-amyloid β aggregation inhibitors for therapeutic intervention in neurodegenerative diseases: Evaluation of their mechanistic insights and …

HY Khan, A Ahmad, MN Hassan, YH Khan… - Coordination Chemistry …, 2024 - Elsevier
Metal ions play a key role in aggregation of amyloid β protein by interfering with their proper
folding, altering protein homeostasis and cell viability, and ultimately leading to …

Structures of the intrinsically disordered Aβ, tau and α-synuclein proteins in aqueous solution from computer simulations

PH Nguyen, P Derreumaux - Biophysical Chemistry, 2020 - Elsevier
Intrinsically disordered proteins (IDPs) play many biological roles in the human proteome
ranging from vesicular transport, signal transduction to neurodegenerative diseases. The Aβ …

Amyloid-β peptide dimers undergo a random coil to β-sheet transition in the aqueous phase but not at the neuronal membrane

H Fatafta, M Khaled, MC Owen… - Proceedings of the …, 2021 - pnas.org
Mounting evidence suggests that the neuronal cell membrane is the main site of oligomer-
mediated neuronal toxicity of amyloid-β peptides in Alzheimer's disease. To gain a detailed …