Physiology of the prion protein

R Linden, VR Martins, MAM Prado… - Physiological …, 2008 - journals.physiology.org
Prion diseases are transmissible spongiform encephalopathies (TSEs), attributed to
conformational conversion of the cellular prion protein (PrPC) into an abnormal conformer …

Brain neurotrauma: molecular, neuropsychological, and rehabilitation aspects

FH Kobeissy - 2015 - books.google.com
With the contribution from more than one hundred CNS neurotrauma experts, this book
provides a comprehensive and up-to-date account on the latest developments in the area of …

Calpain-mediated signaling mechanisms in neuronal injury and neurodegeneration

PS Vosler, CS Brennan, J Chen - Molecular neurobiology, 2008 - Springer
Calpain is a ubiquitous calcium-sensitive protease that is essential for normal physiologic
neuronal function. However, alterations in calcium homeostasis lead to persistent …

p53 amyloid aggregation in cancer: function, mechanism, and therapy

J Li, M Guo, L Chen, Z Chen, Y Fu, Y Chen - Experimental Hematology & …, 2022 - Springer
Similar to neurodegenerative diseases, the concept that tumors are prion like diseases has
been proposed in recent years. p53, the most well-known tumor suppressor, has been …

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 …

p53 in neurodegenerative diseases and brain cancers

F Checler, CA da Costa - Pharmacology & therapeutics, 2014 - Elsevier
More than thirty years elapsed since a protein, not yet called p53 at the time, was detected to
bind SV40 during viral infection. Thousands of papers later, p53 evolved as the main tumor …

The multivesicular body is the major internal site of prion conversion

YI Yim, BC Park, R Yadavalli, X Zhao… - Journal of cell …, 2015 - journals.biologists.com
The conversion of the properly folded prion protein, PrPc, to its misfolded amyloid form,
PrPsc, occurs as the two proteins traffic along the endocytic pathway and PrPc is exposed to …

Conditions of endoplasmic reticulum stress favor the accumulation of cytosolic prion protein

A Orsi, L Fioriti, R Chiesa, R Sitia - Journal of Biological Chemistry, 2006 - ASBMB
After signal sequence-dependent targeting to the endoplasmic reticulum (ER), prion protein
(PrP) undergoes several post-translational modifications, including glycosylation, disulfide …

N-terminal peptides from unprocessed prion proteins enter cells by macropinocytosis

M Magzoub, S Sandgren, P Lundberg… - Biochemical and …, 2006 - Elsevier
A peptide derived from the N-terminus of the unprocessed bovine prion protein (bPrPp),
incorporating the hydrophobic signal sequence (residues 1–24) and a basic domain …

Cytosolic prion protein (PrP) is not toxic in N2a cells and primary neurons expressing pathogenic PrP mutations

L Fioriti, S Dossena, LR Stewart, RS Stewart… - Journal of Biological …, 2005 - ASBMB
Inherited prion diseases are linked to mutations in the prion protein (PrP) gene, which favor
conversion of PrP into a conformationally altered, pathogenic isoform. The cellular …