Characterizing the structural and thermodynamic properties of Aβ42 and Aβ40

Y Lin, H Im, S Ham - Biochemical and biophysical research …, 2019 - Elsevier
The self-assembly of amyloid-beta (Aβ) proteins in aqueous extracellular environments is
implicated in Alzheimer's disease. Among several alloforms of Aβ proteins differing in …

Early aggregation mechanism of Aβ16− 22 revealed by Markov state models

MU Rahman, K Song, LT Da, HF Chen - International Journal of Biological …, 2022 - Elsevier
Aβ 16–22 is believed to have critical role in early aggregation of full length amyloids that are
associated with the Alzheimer's disease and can aggregate to form amyloid fibrils. However …

Ultrastructural evidence for self-replication of Alzheimer-associated Aβ42 amyloid along the sides of fibrils

M Törnquist, R Cukalevski… - Proceedings of the …, 2020 - National Acad Sciences
The nucleation of Alzheimer-associated Aβ peptide monomers can be catalyzed by
preexisting Aβ fibrils. This leads to autocatalytic amplification of aggregate mass and …

Characterizing amyloid‐beta protein misfolding from molecular dynamics simulations with explicit water

C Lee, S Ham - Journal of computational chemistry, 2011 - Wiley Online Library
Extracellular deposition of amyloid‐beta (Aβ) protein, a fragment of membrane glycoprotein
called β‐amyloid precursor transmembrane protein (βAPP), is the major characteristic for the …

Aggregation rate of amyloid beta peptide is controlled by beta-content in monomeric state

TTM Thu, NT Co, LA Tu, MS Li - The Journal of chemical physics, 2019 - pubs.aip.org
Understanding the key factors that govern the rate of protein aggregation is of immense
interest since protein aggregation is associated with a number of neurodegenerative …

Molecular Determinants of Aβ42 Adsorption to Amyloid Fibril Surfaces

MMJ Bellaiche, RB Best - The journal of physical chemistry letters, 2018 - ACS Publications
The long lag times and subsequent rapid growth of Alzheimer's Aβ42 fibrils can be
explained by a secondary nucleation step, in which existing fibril surfaces are able to …

9, 10‐Anthraquinone hinders β‐aggregation: How does a small molecule interfere with Aβ‐peptide amyloid fibrillation?

M Convertino, R Pellarin, M Catto, A Carotti… - Protein …, 2009 - Wiley Online Library
Amyloid aggregation is linked to a number of neurodegenerative syndromes, the most
prevalent one being Alzheimer's disease. In this pathology, the β‐amyloid peptides (Aβ) …

A molecular dynamics approach to the structural characterization of amyloid aggregation

M Cecchini, R Curcio, M Pappalardo, R Melki… - Journal of Molecular …, 2006 - Elsevier
A novel computational approach to the structural analysis of ordered β-aggregation is
presented and validated on three known amyloidogenic polypeptides. The strategy is based …

Comparative molecular dynamics study of Aβ adsorption on the self-assembled monolayers

Q Wang, C Zhao, J Zhao, J Wang, JC Yang, X Yu… - Langmuir, 2010 - ACS Publications
The adsorption and aggregation of the amyloid-β (Aβ) peptides on the cell membrane plays
a causal role in the pathogenesis of Alzheimer's disease. Here, we report all-atom molecular …

Principles governing oligomer formation in amyloidogenic peptides

JE Straub, D Thirumalai - Current opinion in structural biology, 2010 - Elsevier
Identifying the principles that describe the formation of protein oligomers and fibrils with
distinct morphologies is a daunting problem. Here we summarize general principles of …