Metal Binding of Alzheimer's Amyloid-β and Its Effect on Peptide Self-Assembly

A Abelein - Accounts of Chemical Research, 2023 - ACS Publications
Conspectus Metal ions have been identified as key factors modulating the aggregation of
amyloid-β peptide (Aβ) implicated in Alzheimer's disease (AD). The presence of elevated …

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 …

Structural dynamics of amyloid-β protofibrils and actions of anti-amyloid-β antibodies as observed by high-speed atomic force microscopy

T Watanabe-Nakayama, M Tsuji, K Umeda… - Nano Letters, 2023 - ACS Publications
Amyloid-β (Aβ) aggregation intermediates, including oligomers and protofibrils (PFs), have
attracted attention as neurotoxic aggregates in Alzheimer's disease. However, due to the …

NMR studies of amyloid interactions

DA Middleton - Progress in Nuclear Magnetic Resonance …, 2024 - Elsevier
Amyloid fibrils are insoluble, fibrous nanostructures that accumulate extracellularly in
biological tissue during the progression of several human disorders, including Alzheimer's …

Paramagnetic NMR to study iron sulfur proteins: 13C detected experiments illuminate the vicinity of the metal center

L Querci, D Grifagni, IB Trindade, JM Silva… - Journal of Biomolecular …, 2023 - Springer
The robustness of NMR coherence transfer in proximity of a paramagnetic center depends
on the relaxation properties of the nuclei involved. In the case of Iron-Sulfur Proteins …

Copper trafficking system in cells: insights into coordination chemistry and toxicity

J Han - Dalton Transactions, 2023 - pubs.rsc.org
Transition metal ions, such as copper, are indispensable components in the biological
system. Copper ions which primarily exist in two major oxidation states Cu (I) and Cu (II) play …

Smart Molecular Imaging and Theranostic Probes by Enzymatic Molecular In Situ Self-Assembly

X Wen, C Zhang, Y Tian, Y Miao, S Liu, JJ Xu, D Ye… - JACS Au, 2024 - ACS Publications
Enzymatic molecular in situ self-assembly (E-MISA) that enables the synthesis of high-order
nanostructures from synthetic small molecules inside a living subject has emerged as a …

Paramagnetic nuclear magnetic resonance: The Toolkit

L Querci, L Fiorucci, E Ravera, M Piccioli - Inorganics, 2023 - mdpi.com
Nuclear Magnetic Resonance (NMR) spectroscopy is the ideal tool to address the structure,
reactivity and dynamics of both inorganic and biological substances. The knowledge of …

Chasing the Elusive “In‐Between” State of the Copper‐Amyloid β Complex by X‐ray Absorption through Partial Thermal Relaxation after Photoreduction

E Falcone, G Nobili, M Okafor, O Proux… - Angewandte Chemie …, 2023 - Wiley Online Library
The redox activity of Cu ions bound to the amyloid‐β (Aβ) peptide is implicated as a source
of oxidative stress in the context of Alzheimer's disease. In order to explain the efficient redox …

Transition Metal Ion FRET-Based Probe to Study Cu (II)-Mediated Amyloid-β Ligand Binding

R Wu, D Svingou, JB Metternich… - Journal of the …, 2024 - ACS Publications
Recent therapeutic strategies suggest that small peptides can act as aggregation inhibitors
of monomeric amyloid-β (Αβ) by inducing structural rearrangements upon complexation …