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 …

Imaging Amyloid‐β Membrane Interactions: Ion‐Channel Pores and Lipid‐Bilayer Permeability in Alzheimer's Disease

JH Viles - Angewandte Chemie International Edition, 2023 - Wiley Online Library
The accumulation of the amyloid‐β peptides (Aβ) is central to the development of
Alzheimer's disease. The mechanism by which Aβ triggers a cascade of events that leads to …

Label-free imaging and biomarker analysis of exosomes with plasmonic scattering microscopy

P Zhang, J Jiang, X Zhou, J Kolay, R Wang, Z Wan… - Chemical …, 2022 - pubs.rsc.org
Exosome analysis is a promising tool for clinical and biological research applications.
However, detection and biomarker quantification of exosomes is technically challenging …

pH Dependence of Amyloid‐β Fibril Assembly Kinetics: Unravelling the Microscopic Molecular Processes

Y Tian, JH Viles - Angewandte Chemie, 2022 - Wiley Online Library
Central to Alzheimer's disease (AD) is the assembly of the amyloid‐beta peptide (Aβ) into
fibrils. A reduction in pH accompanying inflammation or subcellular compartments, may …

Dynamics and structures of amyloid aggregates under fluid flows

A Iorio, S Melchionna, P Derreumaux… - The Journal of …, 2024 - ACS Publications
In this work, we investigate how fluid flows impact the aggregation mechanisms of Aβ40
proteins and Aβ16–22 peptides and mechanically perturb their (pre) fibrillar aggregates. We …

Putative structures of membrane-embedded amyloid β oligomers

A Sepehri, T Lazaridis - ACS Chemical Neuroscience, 2022 - ACS Publications
Perturbation of cell membranes by amyloid β (Ab) peptide oligomers is one possible
mechanism of cytotoxicity in Alzheimer's disease, but the structure of such Ab–membrane …

Revealing microscopic dynamics: in situ liquid-phase TEM for live observations of soft materials and quantitative analysis via deep learning

Y Sun, X Zhang, R Huang, D Yang, J Kim, J Chen… - Nanoscale, 2024 - pubs.rsc.org
In various domains spanning materials synthesis, chemical catalysis, life sciences, and
energy materials, in situ transmission electron microscopy (TEM) methods exert a profound …

Understanding the molecular mechanisms of polyphenol inhibition of amyloid β aggregation

YL Han, HH Yin, C Xiao, MT Bernards… - ACS Chemical …, 2023 - ACS Publications
Alzheimer's disease (AD) is highly associated with self-aggregation of amyloid β (Aβ)
proteins into fibrils. Inhibition of Aβ aggregation by polyphenols is one of the major …

[HTML][HTML] Impact of Membrane Phospholipids and Exosomes on the Kinetics of Amyloid-β Fibril Assembly

A Khursheed, JH Viles - Journal of Molecular Biology, 2024 - Elsevier
Alzheimer's disease (AD) is linked with the self-association of the amyloid-β peptide (Aβ)
into oligomers and fibrils. The brain is a lipid rich environment for Aβ to assemble, while the …

Role of phosphatidylserine in amyloid-beta oligomerization at asymmetric phospholipid bilayers

J Robinson, NK Sarangi, TE Keyes - Physical Chemistry Chemical …, 2023 - pubs.rsc.org
Amyloid-beta (Aβ1–42) aggregation triggers neurotoxicity and is linked to Alzheimer's
disease. Aβ1–42 oligomers, rather than extended fibrils, adhere to the cell membrane …