[HTML][HTML] Cations as switches of amyloid-mediated membrane disruption mechanisms: calcium and IAPP

MFM Sciacca, D Milardi, GML Messina, G Marletta… - Biophysical …, 2013 - cell.com
Disruption of the integrity of the plasma membrane by amyloidogenic proteins is linked to the
pathogenesis of a number of common age-related diseases. Although accumulating …

The active role of Ca 2+ ions in Aβ-mediated membrane damage

MFM Sciacca, I Monaco, C La Rosa… - Chemical …, 2018 - pubs.rsc.org
Calcium dysregulation, membrane leakage and Aβ amyloid growth are hallmarks of
Alzheimer's disease. Here we show that Ca2+ ions inhibit membrane damage due to …

[HTML][HTML] Amyloid growth and membrane damage: Current themes and emerging perspectives from theory and experiments on Aβ and hIAPP

MFM Sciacca, C Tempra, F Scollo, D Milardi… - … et Biophysica Acta (BBA …, 2018 - Elsevier
Alzheimer's Disease (AD) and Type 2 diabetes mellitus (T2DM) are two incurable diseases
both hallmarked by an abnormal deposition of the amyloidogenic peptides Aβ and Islet …

Amyloid ion channels: a common structural link for protein-misfolding disease

A Quist, I Doudevski, H Lin… - Proceedings of the …, 2005 - National Acad Sciences
Protein conformational diseases, including Alzheimer's, Huntington's, and Parkinson's
diseases, result from protein misfolding, giving a distinct fibrillar feature termed amyloid …

[HTML][HTML] Recent insights in islet amyloid polypeptide-induced membrane disruption and its role in β-cell death in type 2 diabetes mellitus

L Khemtémourian, JA Killian… - Experimental …, 2008 - ncbi.nlm.nih.gov
The presence of fibrillar protein deposits (amyloid) of human islet amyloid polypeptide
(hIAPP) in the pancreatic islets of Langerhans is thought to be related to death of the insulin …

Phosphatidylethanolamine enhances amyloid fiber dependent membrane fragmentation

MFM Sciacca, JR Brender, DK Lee, A Ramamoorthy - Biophysical Journal, 2012 - cell.com
The toxicity of amyloid-forming peptides has been hypothesized to reside in the ability of
protein oligomers to interact with and disrupt the cell membrane. Much of the evidence for …

Membrane disruption and early events in the aggregation of the diabetes related peptide IAPP from a molecular perspective

JR Brender, S Salamekh… - Accounts of chemical …, 2012 - ACS Publications
The aggregation of proteins is tightly controlled in living systems, and misfolded proteins are
normally removed before aggregation of the misfolded protein can occur. But for reasons not …

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] Calcium Dysregulation and Membrane Disruption as a Ubiquitous Neurotoxic Mechanism of Soluble Amyloid Oligomers*♦

A Demuro, E Mina, R Kayed, SC Milton, I Parker… - Journal of Biological …, 2005 - ASBMB
Increasing evidence suggests that amyloid peptides associated with a variety of
degenerative diseases induce neurotoxicity in their intermediate oligomeric state, rather …

[HTML][HTML] Two-step mechanism of membrane disruption by Aβ through membrane fragmentation and pore formation

MFM Sciacca, SA Kotler, JR Brender, J Chen, D Lee… - Biophysical journal, 2012 - cell.com
Disruption of cell membranes by Aβ is believed to be one of the key components of Aβ
toxicity. However, the mechanism by which this occurs is not fully understood. Here, we …