Transient dynamics of Aβ contribute to toxicity in Alzheimer's disease

E Hubin, NAJ Van Nuland, K Broersen… - Cellular and Molecular …, 2014 - Springer
The aggregation and deposition of the amyloid-β peptide (Aβ) in the brain has been linked
with neuronal death, which progresses in the diagnostic and pathological signs of …

The native state conformational heterogeneity in the energy landscape of protein folding

P Mishra, SK Jha - Biophysical Chemistry, 2022 - Elsevier
The native structure of proteins is central to various functions performed by cells. A vital part
of the structure-function paradigm of proteins is their inherent flexibility and dynamics. The …

Probing the sources of the apparent irreproducibility of amyloid formation: drastic changes in kinetics and a switch in mechanism due to micellelike oligomer formation …

JR Brender, J Krishnamoorthy… - The journal of …, 2015 - ACS Publications
The aggregation of amyloidogenic proteins is infamous for being highly chaotic, with small
variations in conditions sometimes leading to large changes in aggregation rates. Using the …

Resolution of Oligomeric Species during the Aggregation of Aβ1–40 Using 19F NMR

Y Suzuki, JR Brender, MT Soper, J Krishnamoorthy… - Biochemistry, 2013 - ACS Publications
In the commonly used nucleation-dependent model of protein aggregation, aggregation
proceeds only after a lag phase in which the concentration of energetically unfavorable …

In vitro electrochemical detection of the degradation of amyloid-β oligomers

B Zhang, T Zhu, L Liu, L Yuan - Journal of Colloid and Interface Science, 2023 - Elsevier
The clearance of overloaded amyloid β (Aβ) oligomers is thought to be an attractive and
potential strategy for the therapy of Alzheimer's disease (AD). A variety of strategies have …

Probing transient non-native states in amyloid beta fiber elongation by NMR

JR Brender, A Ghosh, SA Kotler… - Chemical …, 2019 - pubs.rsc.org
Using NMR to probe transient binding of Aβ1–40 monomers to fibers, we find partially bound
conformations with the highest degree of interaction near F19–K28 and a lesser degree of …

In search of aggregation pathways of IAPP and other amyloidogenic proteins: finding answers through NMR spectroscopy

HR Patel, AS Pithadia, JR Brender… - The Journal of …, 2014 - ACS Publications
The deposition of aggregates of human islet amyloid peptide (hIAPP) has been correlated
with the death of insulin-producing beta (β) cells in type II diabetes mellitus. The actual …

Fluorinated amino acids in amyloid formation: a symphony of size, hydrophobicity and α-helix propensity

UIM Gerling, M Salwiczek, CD Cadicamo… - Chemical …, 2014 - pubs.rsc.org
Fluorinated amino acids can have dramatic effects on protein stability and protein–protein
interactions due to the unique stereoelectronic properties of fluorine. Previous approaches …

Model membrane size-dependent amyloidogenesis of Alzheimer's amyloid-β peptides

M Kinoshita, E Kakimoto, MS Terakawa, Y Lin… - Physical Chemistry …, 2017 - pubs.rsc.org
We herein report the mechanism of amyloid formation of amyloid-β (Aβ) peptides on small
(SUV) and large unilamellar vesicles (LUVs), which consist of 1-palmitoyl-2-oleoyl-sn …

Early-Onset Parkinson Mutation Remodels Monomer–Fibril Interactions to Allosterically Amplify Synuclein's Amyloid Cascade

J Huang, R Ahmed, M Akimoto, K Martinez Pomier… - JACS Au, 2023 - ACS Publications
Alpha synuclein (αS) aggregates are the main component of Lewy bodies (LBs) associated
with Parkinson's disease (PD). A longstanding question about αS and PD pertains to the …