Prebiotic peptides: Molecular hubs in the origin of life

M Frenkel-Pinter, M Samanta, G Ashkenasy… - Chemical …, 2020‏ - ACS Publications
The fundamental roles that peptides and proteins play in today's biology makes it almost
indisputable that peptides were key players in the origin of life. Insofar as it is appropriate to …

Islet amyloid polypeptide, islet amyloid, and diabetes mellitus

P Westermark, A Andersson… - Physiological …, 2011‏ - journals.physiology.org
Islet amyloid polypeptide (IAPP, or amylin) is one of the major secretory products of β-cells of
the pancreatic islets of Langerhans. It is a regulatory peptide with putative function both …

Effects of in vivo conditions on amyloid aggregation

MC Owen, D Gnutt, M Gao, SKTS Wärmländer… - Chemical Society …, 2019‏ - pubs.rsc.org
One of the grand challenges of biophysical chemistry is to understand the principles that
govern protein misfolding and aggregation, which is a highly complex process that is …

Simulation studies of amyloidogenic polypeptides and their aggregates

IM Ilie, A Caflisch - Chemical reviews, 2019‏ - ACS Publications
Amyloids, fibrillar assembly of (poly) peptide chains, are associated with neurodegenerative
illnesses such as Alzheimer's and Parkinson's diseases, for which there are no cures. The …

A possible role for π‐stacking in the self‐assembly of amyloid fibrils

E Gazit - The FASEB Journal, 2002‏ - Wiley Online Library
Amyloid fibril formation is assumed to be the molecular basis for a variety of diseases of
unrelated origin. Despite its fundamental clinical importance, the mechanism of amyloid …

[HTML][HTML] In vitro characterization of conditions for amyloid-β peptide oligomerization and fibrillogenesis

WB Stine Jr, KN Dahlgren, GA Krafft… - Journal of Biological …, 2003‏ - Elsevier
Extensive research causally links amyloid-β peptide (Aβ) to Alzheimer's disease, although
the pathologically relevant Aβ conformation remains unclear. Aβ spontaneously aggregates …

Conformational constraints for amyloid fibrillation: the importance of being unfolded

VN Uversky, AL Fink - Biochimica et Biophysica Acta (BBA)-Proteins and …, 2004‏ - Elsevier
Recent reports give strong support to the idea that amyloid fibril formation and the
subsequent development of protein deposition diseases originate from conformational …

Permeabilization of lipid bilayers is a common conformation-dependent activity of soluble amyloid oligomers in protein misfolding diseases

R Kayed, Y Sokolov, B Edmonds, TM McIntire… - Journal of Biological …, 2004‏ - jbc.org
Amyloid fibrillization is multistep process involving soluble oligomeric intermediates,
including spherical oligomers and protofibrils. Amyloid oligomers have a common, generic …

Amyloid fibrillogenesis: themes and variations

JC Rochet, PT Lansbury Jr - Current opinion in structural biology, 2000‏ - Elsevier
Recent progress has improved our knowledge of how proteins form amyloid fibrils. Both
'natively unfolded'and globular proteins have been shown to initiate fibrillization by adopting …

Molecular basis for amyloid fibril formation and stability

OS Makin, E Atkins, P Sikorski, J Johansson… - Proceedings of the …, 2005‏ - pnas.org
The molecular structure of the amyloid fibril has remained elusive because of the difficulty of
growing well diffracting crystals. By using a sequence-designed polypeptide, we have …