Vibrational approach to the dynamics and structure of protein amyloids

H Li, R Lantz, D Du - Molecules, 2019 - mdpi.com
Amyloid diseases, including neurodegenerative diseases such as Alzheimer's and
Parkinson's, are linked to a poorly understood progression of protein misfolding and …

The human islet amyloid polypeptide in protein misfolding disorders: Mechanisms of aggregation and interaction with biomembranes

A El Saghir, G Farrugia, N Vassallo - Chemistry and Physics of Lipids, 2021 - Elsevier
Human islet amyloid polypeptide (hIAPP), otherwise known as amylin, is a 37-residue
peptide hormone which is reported to be a common factor in protein misfolding disorders …

[HTML][HTML] Membranes as modulators of amyloid protein misfolding and target of toxicity

A Rawat, R Langen, J Varkey - Biochimica et Biophysica Acta (BBA) …, 2018 - Elsevier
Abnormal protein aggregation is a hallmark of various human diseases. α-Synuclein, a
protein implicated in Parkinson's disease, is found in aggregated form within Lewy bodies …

A spectroscopic marker for structural transitions associated with amyloid-β aggregation

A Das, A Gupta, Y Hong, JA Carver, S Maiti - Biochemistry, 2020 - ACS Publications
An amyloid aggregate evolves through a series of intermediates that have different
secondary structures and intra-and intermolecular contacts. The structural parameters of …

Altered membrane mechanics provides a receptor‐independent pathway for serotonin action

S Dey, D Surendran, O Engberg… - … A European Journal, 2021 - Wiley Online Library
Serotonin, an important signaling molecule in humans, has an unexpectedly high lipid
membrane affinity. The significance of this finding has evoked considerable speculation …

Distinct modes of action of IAPP oligomers on membranes

A Sepehri, B Nepal, T Lazaridis - Journal of Chemical Information …, 2021 - ACS Publications
Islet amyloid polypeptide (IAPP, also known as amylin) is a peptide hormone that is co-
secreted with insulin by pancreatic β-cells and forms amyloid aggregates in type II diabetes …

Folding and self-assembly of short intrinsically disordered peptides and protein regions

PG Argudo, JJ Giner-Casares - Nanoscale Advances, 2021 - pubs.rsc.org
Proteins and peptide fragments are highly relevant building blocks in self-assembly for
nanostructures with plenty of applications. Intrinsically disordered proteins (IDPs) and …

Inhibition of the Early-Stage Cross-Amyloid Aggregation of Amyloid-β and IAPP via EGCG: Insights from Molecular Dynamics Simulations

A Srivastava, K Al Adem, A Shanti, S Lee… - ACS …, 2024 - ACS Publications
Amyloid-β (Aβ) and islet amyloid polypeptide (IAPP) are small peptides that have the
potential to not only self-assemble but also cross-assemble and form cytotoxic amyloid …

Structural diversity in the membrane-bound hIAPP dimer correlated with distinct membrane disruption mechanisms

Q Qiao, G Wei, Z Song - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
Amyloid deposits of the human islet amyloid polypeptide (hIAPP) have been identified in
90% of patients with type II diabetes. Cellular membranes accelerate the hIAPP fibrillation …

Single Molecule Measurements of the Accessibility of Molecular Surfaces

A Dey, V Vishvakarma, A Das, M Kallianpur… - Frontiers in Molecular …, 2021 - frontiersin.org
An important measure of the conformation of protein molecules is the degree of surface
exposure of its specific segments. However, this is hard to measure at the level of individual …