Role of metal ions in aggregation of intrinsically disordered proteins in neurodegenerative diseases

L Breydo, VN Uversky - Metallomics, 2011 - academic.oup.com
Neurodegenerative diseases constitute a set of pathological conditions originating from the
slow, irreversible, and systematic cell loss within the various regions of the brain and/or the …

The prion protein unstructured N‐terminal region is a broad‐spectrum molecular sensor with diverse and contrasting potential functions

M Béland, X Roucou - Journal of neurochemistry, 2012 - Wiley Online Library
J. Neurochem.(2012) 120, 853–868. Abstract The physiological function of the prion protein
(PrPC) and its conversion into its infectious form (PrPSc) are central issues to understanding …

The α-helical C-terminal domain of full-length recombinant PrP converts to an in-register parallel β-sheet structure in PrP fibrils: evidence from solid state nuclear …

R Tycko, R Savtchenko, VG Ostapchenko… - Biochemistry, 2010 - ACS Publications
We report the results of solid state nuclear magnetic resonance (NMR) measurements on
amyloid fibrils formed by the full-length prion protein PrP (residues 23− 231, Syrian hamster …

Highly efficient protein misfolding cyclic amplification

N Gonzalez-Montalban, N Makarava… - PLoS …, 2011 - journals.plos.org
Protein misfolding cyclic amplification (PMCA) provides faithful replication of mammalian
prions in vitro and has numerous applications in prion research. However, the low efficiency …

The prion protein ligand, stress-inducible phosphoprotein 1, regulates amyloid-β oligomer toxicity

VG Ostapchenko, FH Beraldo… - Journal of …, 2013 - Soc Neuroscience
In Alzheimer's disease (AD), soluble amyloid-β oligomers (AβOs) trigger neurotoxic
signaling, at least partially, via the cellular prion protein (PrPC). However, it is unknown …

Posttranslational modifications define course of prion strain adaptation and disease phenotype

N Makarava, JCY Chang, K Molesworth… - The Journal of …, 2020 - Am Soc Clin Investig
Posttranslational modifications are a common feature of proteins associated with
neurodegenerative diseases including prion protein (PrPC), tau, and α-synuclein …

Molecular simulations reveal terminal group mediated stabilization of helical conformers in both amyloid-β42 and α-synuclein

S Bhattacharya, L Xu, D Thompson - ACS chemical neuroscience, 2019 - ACS Publications
The presence of partially structured helices in natively unfolded amyloid-β42 (Aβ42) and α-
synuclein (αS) has been shown to accelerate fibrillation in the onset of Alzheimer's and …

Two amyloid states of the prion protein display significantly different folding patterns

VG Ostapchenko, MR Sawaya, N Makarava… - Journal of molecular …, 2010 - Elsevier
It has been well established that a single amino acid sequence can give rise to several
conformationally distinct amyloid states. The extent to which amyloid structures formed …

Conformational switching within individual amyloid fibrils

N Makarava, VG Ostapchenko, R Savtchenko… - Journal of Biological …, 2009 - ASBMB
A key structural component of amyloid fibrils is a highly ordered, crystalline-like cross-β-
sheet core. Conformationally different amyloid structures can be formed within the same …

Highly neurotoxic monomeric α-helical prion protein

M Zhou, G Ottenberg, GF Sferrazza… - Proceedings of the …, 2012 - National Acad Sciences
Prion diseases are infectious and belong to the group of protein misfolding
neurodegenerative diseases. In these diseases, neuronal dysfunction and death are caused …