Publications related to Major prion protein

TDP-43 extracted from frontotemporal lobar degeneration subject brains displays distinct aggregate assemblies and neurotoxic effects reflecting disease progression rates

Henning Paul-Julius Stahlberg, Amanda Jennifer Lewis, Tariq Afroz

Accumulation of abnormally phosphorylated TDP-43 (pTDP-43) is the main pathology in affected neurons of people with amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration (FTLD). Morphological diversity and neuroanatomical distribution o ...

Springer Nature2018

Zinc and Copper Differentially Modulate Amyloid Precursor Protein Processing by -Secretase and Amyloid- Peptide Production

Patrick Fraering, Mitko Dimitrov, Hermeto Gerber, Guillermo Miguel Garcia Osuna

Recent evidence suggests involvement of biometal homeostasis in the pathological mechanisms in Alzheimer's disease (AD). For example, increased intracellular copper or zinc has been linked to a reduction in secreted levels of the AD-causing amyloid- peptid ...

Amer Soc Biochemistry Molecular Biology Inc2017

AFM-Based Single Molecule Techniques: Unraveling the Amyloid Pathogenic Species

Giovanni Dietler, Francesco Simone Ruggeri, Andrea Cerreta

Background: A wide class of human diseases and neurodegenerative disorders, such as Alzheimer's disease, is due to the failure of a specific peptide or protein to keep its native functional conformational state and to undergo a conformational change into a ...

Bentham Science Publishers2016

In Vivo Longitudinal (1)H MRS Study of Transgenic Mouse Models of Prion Disease in the Hippocampus and Cerebellum at 14.1 T

Rolf Gruetter, Cristina Ramona Cudalbu, Mélanie Craveiro

In vivo (1)H MR spectroscopy allows the non invasive characterization of brain metabolites and it has been used for studying brain metabolic changes in a wide range of neurodegenerative diseases. The prion diseases form a group of fatal neurodegenerative d ...

Springer Verlag2015

The Protein-disulfide Isomerase ERp57 Regulates the Steady-state Levels of the Prion Protein

Maurizio Molinari

Although the accumulation of a misfolded and protease-resistant form of the prion protein (PrP) is a key event in prion pathogenesis, the cellular factors involved in its folding and quality control are poorly understood. PrP is a glycosylated and disulfid ...

Amer Soc Biochemistry Molecular Biology Inc2015

Novel therapeutic strategy for neurodegeneration by blocking Aβ seeding mediated aggregation in models of Alzheimer's disease

Hilal Lashuel, Patrick Fraering, Saviana Di Giovanni, Simona Eleuteri

Aβ accumulation plays a central role in the pathogenesis of Alzheimer's disease (AD). Recent studies suggest that the process of Aβ nucleated polymerization is essential for Aβ fibril formation, pathology spreading and toxicity. Therefore, targeting this p ...

2015

Hypothalamic S1P/S1PR1 axis controls energy homeostasis

Dongryeol Ryu

Sphingosine 1-phosphate receptor 1 (S1PR1) is a G-protein-coupled receptor for sphingosine-1-phosphate (S1P) that has a role in many physiological and pathophysiological processes. Here we show that the S1P/S1PR1 signalling pathway in hypothalamic neurons ...

Nature Publishing Group2014

Two Misfolding Routes for the Prion Protein around pH 4.5

Ursula Röthlisberger, Ivano Tavernelli

Using molecular dynamics simulations, we show that the prion protein (PrP) exhibits a dual behavior, with two possible transition routes, upon protonation of H187 around pH 4.5, which mimics specific conditions encountered in endosomes. Our results suggest ...

Public Library Science2013

Prion versus Doppel Protein Misfolding: New Insights from Replica-Exchange Molecular Dynamics Simulations

Ursula Röthlisberger, Ivano Tavernelli

The doppel (Dpl) and prion (PrP) proteins share a very similar fold (three helices and two short beta-strands), while they differ significantly in sequence (only 25% homologous) and in disease-related beta-rich conformations that occur for PrP only. In a p ...

American Chemical Society2013

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