Cyclosporin-A-induced prion protein aggresomes are dynamic quality-control cellular compartments

T Ben-Gedalya, R Lyakhovetsky… - Journal of cell …, 2011 - journals.biologists.com
Despite the activity of cellular quality-control mechanisms, subsets of mature and newly
synthesized polypeptides fail to fold properly and form insoluble aggregates. In some cases …

Vesicle‐mediated secretion of misfolded prion protein molecules from cyclosporin A‐treated cells

I Pan, N Roitenberg, E Cohen - The FASEB Journal, 2018 - Wiley Online Library
Loss of protein homeostasis is a hazardous situation that jeopardizes cellular functionality
and viability Cells have developed mechanisms that supervise protein integrity and direct …

PrP-containing aggresomes are cytosolic components of an ER quality control mechanism

T Dubnikov, T Ben-Gedalya, R Reiner… - Journal of cell …, 2016 - journals.biologists.com
Limited detoxification capacity often directs aggregation-prone, potentially hazardous,
misfolded proteins to be deposited in designated cytosolic compartments known as …

[HTML][HTML] From seeds to fibrils and back: Fragmentation as an overlooked step in the propagation of prions and prion-like proteins

C Marrero-Winkens, C Sankaran, HM Schätzl - Biomolecules, 2020 - mdpi.com
Many devastating neurodegenerative diseases are driven by the misfolding of normal
proteins into a pathogenic abnormal conformation. Examples of such protein misfolding …

Interaction between misfolded PrP and the ubiquitin-proteasome system in prion-mediated neurodegeneration

Z Lin, D Zhao, L Yang - Acta Biochim Biophys Sin, 2013 - academic.oup.com
Prion diseases are associated with the conformational conversion of cellular prion protein
(PrPC) to pathological β-sheet isoforms (PrPSc), which is the infectious agent beyond …

[HTML][HTML] Proteasomal dysfunction and endoplasmic reticulum stress enhance trafficking of prion protein aggregates through the secretory pathway and increase …

M Nunziante, K Ackermann, K Dietrich, H Wolf… - Journal of Biological …, 2011 - ASBMB
A conformational change of the cellular prion protein (PrP c) underlies formation of PrP Sc,
which is closely associated with pathogenesis and transmission of prion diseases. The …

[HTML][HTML] Prion-mediated neurodegeneration is associated with early impairment of the ubiquitin–proteasome system

C McKinnon, R Goold, R Andre, A Devoy, Z Ortega… - Acta …, 2016 - Springer
Prion diseases are a group of fatal neurodegenerative disorders characterised by the
accumulation of misfolded prion protein (PrP Sc) in the brain. The critical relationship …

[HTML][HTML] Disease-related prion protein forms aggresomes in neuronal cells leading to caspase activation and apoptosis

M Kristiansen, MJ Messenger, PC Klohn… - Journal of Biological …, 2005 - ASBMB
The molecular basis for neuronal death in prion disease is not established, but putative
pathogenic roles for both disease-related prion protein (PrP Sc) and accumulated cytosolic …

The cell biology of prion-like spread of protein aggregates: mechanisms and implication in neurodegeneration

M Costanzo, C Zurzolo - Biochemical Journal, 2013 - portlandpress.com
The misfolding and aggregation of specific proteins is a common hallmark of many
neurodegenerative disorders, including highly prevalent illnesses such as Alzheimer's and …

Dominant prion mutants induce curing through pathways that promote chaperone-mediated disaggregation

S DiSalvo, A Derdowski, JA Pezza… - Nature structural & …, 2011 - nature.com
Protein misfolding underlies many neurodegenerative diseases, including the transmissible
spongiform encephalopathies (prion diseases). Although cells typically recognize and …