Early-Stage Oligomerization of Prion-like Polypeptides Reveals the Molecular Mechanism of Amyloid-Disrupting Capacity by Proline Residues

TY Lin, YW Ma, MY Tsai - The Journal of Physical Chemistry B, 2023 - ACS Publications
Proline cis/trans isomerization governs protein local conformational changes via its local
mechanical rigidity. The amyloid-disrupting capacity of proline is widely acknowledged; …

Role of the disulfide bond in prion protein amyloid formation: a thermodynamic and kinetic analysis

R Honda - Biophysical journal, 2018 - cell.com
Prion diseases are associated with the structural conversion of prion protein (PrP) to a β-
sheet-rich aggregate, PrP Sc. Previous studies have indicated that a reduction of the …

Differences in prion strain conformations result from non-native interactions in a nucleus

Y Ohhashi, K Ito, BH Toyama, JS Weissman… - Nature chemical …, 2010 - nature.com
Aggregation-prone proteins often misfold into multiple distinct amyloid conformations that
dictate different physiological impacts. Although amyloid formation is triggered by a transient …

Conformational switching and nanoscale assembly of human prion protein into polymorphic amyloids via structurally labile oligomers

V Dalal, S Arya, M Bhattacharya, S Mukhopadhyay - Biochemistry, 2015 - ACS Publications
Conformational switching of the prion protein (PrP) from an α-helical normal cellular form
(PrPC) to an aggregation-prone and self-propagating β-rich scrapie form (PrPSc) underlies …

Structural mechanisms of oligomer and amyloid fibril formation by the prion protein

I Sengupta, JB Udgaonkar - Chemical Communications, 2018 - pubs.rsc.org
Misfolding and aggregation of the prion protein is responsible for multiple
neurodegenerative diseases. Works from several laboratories on folding of both the WT and …

Temperature-dependent structural variability of prion protein amyloid fibrils

M Ziaunys, A Sakalauskas, K Mikalauskaite… - International journal of …, 2021 - mdpi.com
Prion protein aggregation into amyloid fibrils is associated with the onset and progression of
prion diseases—a group of neurodegenerative amyloidoses. The process of such aggregate …

Characterizing the denatured state of human prion 121–230

CI Lee, N Chang - Biophysical chemistry, 2010 - Elsevier
Misfolding and aggregation of the prion protein (PrP) are responsible for the development of
fatal transmissible neurodegenerative diseases. PrP undergoes structural conversion from a …

The intrinsic stability of the human prion β-sheet region investigated by molecular dynamics

A De Simone, F Stanzione, D Marasco… - Journal of …, 2013 - Taylor & Francis
Human prion diseases are neurodegenerative disorders associated to the misfolding of the
prion protein (PrP). Common features of prion disorders are the fibrillar amyloid deposits …

Preferential recruitment of conformationally distinct amyloid-β oligomers by the intrinsically disordered region of the human prion protein

P Madhu, S Mukhopadhyay - ACS chemical neuroscience, 2019 - ACS Publications
Soluble oligomeric species of the amyloid-β (Aβ) peptide exhibit pronounced neurotoxic
effects in Alzheimer's disease. Recent studies have indicated that the prion protein (PrP) is …

The seeding barrier between human and Syrian hamster prion protein amyloid fibrils is determined by β2-α2 loop sequence elements

D Šulskis, G Šneiderienė, M Žiaunys… - International Journal of …, 2023 - Elsevier
Transmissive spongiform encephalopathies (TSE) are a group of neurodegenerative
diseases caused by infectious protein particles, known as prions. Prions are formed from …