Mechanisms and pathology of protein misfolding and aggregation

N Louros, J Schymkowitz, F Rousseau - Nature Reviews Molecular Cell …, 2023 - nature.com
Despite advances in machine learning-based protein structure prediction, we are still far
from fully understanding how proteins fold into their native conformation. The conventional …

Puzzles, challenges, and information reservoir of SARS-CoV-2 quasispecies

E Domingo, B Martínez-González… - Journal of …, 2023 - Am Soc Microbiol
Upon the emergence of SARS-CoV-2 in the human population, it was conjectured that for
this coronavirus the dynamic intra-host heterogeneity typical of RNA viruses would be toned …

Dysbiosis of the gut microbiota and its effect on α-synuclein and prion protein misfolding: consequences for neurodegeneration

NU Mahbub, MM Islam, ST Hong… - Frontiers in Cellular and …, 2024 - frontiersin.org
Abnormal behavior of α-synuclein and prion proteins is the hallmark of Parkinson's disease
(PD) and prion illnesses, respectively, being complex neurological disorders. A primary …

Propagation of distinct CWD prion strains during peripheral and intracerebral challenges of gene-targeted mice

JP DeFranco, J Bian, S Kim, J Crowell, T Barrio… - Proceedings of the …, 2024 - pnas.org
Since prion diseases result from infection and neurodegeneration of the central nervous
system (CNS), experimental characterizations of prion strain properties customarily rely on …

Atomic force microscopy 3D structural reconstruction of individual particles in the study of amyloid protein assemblies

C Chitty, K Kuliga, WF Xue - Biochemical Society Transactions, 2024 - portlandpress.com
Recent developments in atomic force microscopy (AFM) image analysis have made three-
dimensional (3D) structural reconstruction of individual particles observed on 2D AFM height …

Single-Molecule Orientation Imaging Reveals the Nano-Architecture of Amyloid Fibrils Undergoing Growth and Decay

B Sun, T Ding, W Zhou, TS Porter, MD Lew - Nano Letters, 2024 - ACS Publications
Amyloid-beta (Aβ42) aggregates are characteristic Alzheimer's disease signatures, but
probing how their nanoscale architectures influence their growth and decay remains …

Syntaxin-6 delays prion protein fibril formation and prolongs the presence of toxic aggregation intermediates

D Sangar, E Hill, K Jack, M Batchelor, B Mistry… - Elife, 2024 - elifesciences.org
Prions replicate via the autocatalytic conversion of cellular prion protein (PrP C) into fibrillar
assemblies of misfolded PrP. While this process has been extensively studied in vivo and in …

Structural reconstruction of individual filaments in Abeta42 fibril populations assembled in vitro reveal rare species that resemble ex vivo amyloid polymorphs from …

LD Aubrey, L Lutter, K Fennell, TJ Purton, N Ward… - bioRxiv, 2023 - biorxiv.org
Structural polymorphism has been demonstrated for both in vitro and ex vivo amyloid fibrils
associated with disease. The manner in which different filament structures are assembled …

Strain-Specific Targeting and Destruction of Cells by Prions

SM Simmons, JC Bartz - Biology, 2024 - mdpi.com
Simple Summary Prions are novel infectious agents that consist only of protein. It is known
that in the same host species, different strains of prion can occur that differ by the cells that …

S100A9 Inhibits and Redirects Prion Protein 89-230 Fragment Amyloid Aggregation

M Ziaunys, D Sulskis, K Mikalauskaite, A Sakalauskas… - bioRxiv, 2024 - biorxiv.org
Protein aggregation in the form of amyloid fibrils has long been associated with the onset
and development of various amyloidoses, including Alzheimer's, Parkinson's or prion …