Understanding amyloid‐β oligomerization at the molecular level: the role of the fibril surface

B Barz, B Strodel - Chemistry–A European Journal, 2016 - Wiley Online Library
The aggregation of the amyloid β‐peptide into fibrils is a complex process that involves
mechanisms such as primary and secondary nucleation, fibril elongation and fibril …

Replica permutation with solute tempering for molecular dynamics simulation and its application to the dimerization of amyloid-β fragments

D Fukuhara, SG Itoh, H Okumura - The Journal of Chemical Physics, 2022 - pubs.aip.org
We propose the replica permutation with solute tempering (RPST) by combining the replica-
permutation method (RPM) and the replica exchange with solute tempering (REST) …

Molecular insight into the inhibition effect of trehalose on the nucleation and elongation of amyloid β-peptide oligomers

FF Liu, L Ji, XY Dong, Y Sun - The Journal of Physical Chemistry …, 2009 - ACS Publications
Soluble amyloid oligomers are a cytotoxic species in Alzheimer's disease, and the recent
discovery that trehalose can prohibit aggregation of amyloid β-peptide (Aβ) has received …

Fibril self-assembly of amyloid–spider silk block polypeptides

B Dai, CJ Sargent, X Gui, C Liu, F Zhang - Biomacromolecules, 2019 - ACS Publications
Because of their association with debilitating diseases and their potential applications in
developing novel bionanomaterials, highly ordered amyloid fibrils have recently received …

Rational Design of Dual-Functionalized Gd@C82 Nanoparticles to Relieve Neuronal Cytotoxicity in Alzheimer's Disease via Inhibition of Aβ Aggregation

X Yin, H Zhou, T Cao, X Yang, F Meng, X Dai, Y Wang… - ACS …, 2024 - ACS Publications
The accumulation of amyloid-β (Aβ) peptides is a major hallmark of Alzheimer's disease
(AD) and plays a crucial role in its pathogenesis. Particularly, the structured oligomeric …

Acetylation of Aβ42 at lysine 16 disrupts amyloid formation

R Adhikari, M Yang, N Saikia, C Dutta… - ACS chemical …, 2020 - ACS Publications
The residue lysine 28 (K28) is known to form an important salt bridge that stabilizes the Aβ
amyloid structure, and acetylation of lysine 28 (K28Ac) slows the Aβ42 fibrillization rate but …

Free-energy landscape of RNA hairpins constructed via dihedral angle principal component analysis

L Riccardi, PH Nguyen, G Stock - The Journal of Physical …, 2009 - ACS Publications
To systematically construct a low-dimensional free-energy landscape of RNA systems from a
classical molecular dynamics simulation, various versions of the principal component …

Mechanistic insights into the inhibition and size effects of graphene oxide nanosheets on the aggregation of an amyloid-β peptide fragment

Y Chen, Z Chen, Y Sun, J Lei, G Wei - Nanoscale, 2018 - pubs.rsc.org
The aggregation of amyloid-β (Aβ), which involves the formation of small oligomers and
mature fibrils, has received considerable attention in the past few decades due to its close …

Phosphorylation at Ser8 as an intrinsic regulatory switch to regulate the morphologies and structures of Alzheimer's 40-residue β-amyloid (Aβ40) fibrils

ZW Hu, MR Ma, YX Chen, YF Zhao, W Qiang… - Journal of Biological …, 2017 - ASBMB
Polymorphism of amyloid-β (Aβ) fibrils, implying different fibril structures, may play important
pathological roles in Alzheimer's disease (AD). Morphologies of Aβ fibrils were found to be …

Energy landscapes of Aβ monomers are sculpted in accordance with Ostwald's rule of stages

D Chakraborty, JE Straub, D Thirumalai - Science Advances, 2023 - science.org
The transition from a disordered to an assembly-competent monomeric state (N*) in
amyloidogenic sequences is a crucial event in the aggregation cascade. Using a well …