Spontaneous self-assembly of amyloid β (1–40) into dimers

M Hashemi, Y Zhang, Z Lv, YL Lyubchenko - Nanoscale Advances, 2019 - pubs.rsc.org
The self-assembly and fibrillation of amyloid β (Aβ) proteins is the neuropathological
hallmark of Alzheimer's disease. However, the molecular mechanism of how disordered …

Structural diversity of dimers of the Alzheimer amyloid-β (25–35) peptide and polymorphism of the resulting fibrils

G Wei, AI Jewett, JE Shea - Physical Chemistry Chemical Physics, 2010 - pubs.rsc.org
The 25–35 fragment of the Alzheimer amyloid β (Aβ) peptide is a naturally occurring
proteolytic by-product that retains the toxicity of its larger, better-known counterpart, Aβ (1 …

Serotonin and Melatonin Show Different Modes of Action on Aβ42 Protofibril Destabilization

Y Gong, C Zhan, Y Zou, Z Qian, G Wei… - ACS Chemical …, 2021 - ACS Publications
Alzheimer's disease (AD) is associated with the aberrant self-assembly of amyloid-β (Aβ)
protein into fibrillar deposits. The disaggregation of Aβ fibril is believed as one of the major …

Amyloid-β42 oligomer structures from fibrils: a systematic molecular dynamics study

AHC Horn, H Sticht - The journal of physical chemistry B, 2010 - ACS Publications
Recent experimental data demonstrate that small, soluble amyloid− β42 oligomers play an
important role in Alzheimer's disease because they exhibit neurotoxic properties and also …

Varied Probability of Staying Collapsed/Extended at the Conformational Equilibrium of Monomeric Aβ40 and Aβ42

W Song, Y Wang, JP Colletier, H Yang, Y Xu - Scientific reports, 2015 - nature.com
In present study, we set out to investigate the conformation dynamics of Aβ40 and Aβ42
through exploring the impact of intra-molecular interactions on conformation dynamics using …

Familial Alzheimer A2 V mutation reduces the intrinsic disorder and completely changes the free energy landscape of the Aβ1–28 monomer

PH Nguyen, B Tarus, P Derreumaux - The journal of physical …, 2014 - ACS Publications
The self-assembly of the amyloid-β (Aβ) peptide of 39–43 amino acids into senile plaques is
one hallmark of Alzheimer's disease (AD) pathology. While A2 V carriers remain healthy in …

Molecular dynamics simulations of amyloid β-peptide (1-42): tetramer formation and membrane interactions

AM Brown, DR Bevan - Biophysical journal, 2016 - cell.com
The aggregation cascade and peptide-membrane interactions of the amyloid β-peptide (Aβ)
have been implicated as toxic events in the development and progression of Alzheimer's …

Amyloid β-peptide 25–35 self-assembly and its inhibition: A model undecapeptide system to gain atomistic and secondary structure details of the Alzheimer's disease …

M Naldi, J Fiori, M Pistolozzi, AF Drake… - ACS chemical …, 2012 - ACS Publications
Combined results of theoretical molecular dynamic simulations and in vitro spectroscopic
(circular dichroism and fluorescence) studies are presented, providing the atomistic and …

Unveiling the inhibitory mechanism of peptidomimetic inhibitor against Aβ42 aggregation and protofibril disaggregation by molecular dynamics

R Kaur, RK Saini, P Singh, B Goyal - Journal of Molecular Liquids, 2021 - Elsevier
Alzheimer's disease (AD) is an irreversible, progressive, and degenerative brain disorder
characterized by the aggregation and deposition of amyloid-β (Aβ) oligomers in the brain of …

Role of the region 23-28 in Aβ fibril formation: insights from simulations of the monomers and dimers of Alzheimer's peptides Aβ40 and Aβ42

A Melquiond, X Dong, N Mousseau… - Current Alzheimer …, 2008 - ingentaconnect.com
Self-assembly of the 40/42 amino acid Aβ peptide is a key player in Alzheimer's disease.
Aβ40 is the most prevalent species, while Aβ42 is the most toxic. It has been suggested that …