Results 131 to 140 of about 73,750 (253)

Human prion diseases

open access: yesAnnals of Medicine, 2000
The term 'prion diseases' refers to a group of neurodegenerative disorders thought to be caused by prions, pathogenic agents with novel modes of replication and transmission. Prion diseases are characterized by long incubation periods ranging from months to years and are invariably fatal once clinical symptoms have appeared.
openaire   +2 more sources

Prions And Prion Diseases

open access: yesAfrican Journal of Clinical and Experimental Microbiology, 2008
A prion is a small infectious particle, which resist inactivation by procedures that modify nucleic acids. Transmissible spongiform encephalopathies (TSEs also known as prion diseases) are a group of progressive conditions that affects the brain and nervous system of humans and animals and are transmitted by prions.
Obi, R K, Nwanebu, F C
openaire   +3 more sources

The L108I polymorphism in mouse prion protein drives spontaneous disease and enhances transmission of atypical and classical prion strains

open access: yesBrain Pathology, EarlyView.
A single amino acid change (L108I) combined with PrP overexpression drives spontaneous atypical prion formation in mice, enabling also efficient propagation of diverse prion strains. This model allows studying how spontaneous prion diseases arise and provides powerful tools for investigating strain emergence, transmission barriers, and mechanisms ...
Hasier Eraña   +20 more
wiley   +1 more source

Therapeutic effect of curcumin derivative GT863 on prion-infected mice

open access: yesScientific Reports
In prion diseases, the cellular prion protein (PrPC) forms an abnormal, infectious, and disease-causing form known as PrPSc. Inhibition of prion propagation is a key approach for the treatment of these diseases.
Kenta Teruya   +8 more
doaj   +1 more source

Redox environment modulates aggregation of ataxin‐3 in vitro — Implications for drug screening of cysteine‐rich proteins

open access: yesThe FEBS Journal, EarlyView.
Redox environment modulates in vitro aggregation of Ataxin‐3, the protein implicated in spinocerebellar ataxia type 3. Reducing conditions stabilize native monomers and prevent aggregation, whereas oxidative conditions promote the formation of non‐native conformers and disulfide‐linked oligomers within the Josephin domain (JD).
Martyna Podlasiak   +10 more
wiley   +1 more source

Evolutionary descent of prion genes from a ZIP metal ion transport ancestor [PDF]

open access: yes, 2009
In the more than 20 years since its discovery, both the phylogenetic origin and cellular function of the prion protein (PrP) have remained enigmatic.
David Westaway   +4 more
core   +1 more source

Molecular dynamics studies on the NMR and X-ray structures of rabbit prion protein wild-type and mutants

open access: yes, 2013
Prion diseases are invariably fatal and highly infectious neurodegenerative diseases that affect a wide variety of mammalian species such as sheep, goats, mice, humans, chimpanzees, hamsters, cattle, elks, deer, minks, cats, chicken, pigs, turtles, etc ...
Barlow   +142 more
core   +1 more source

Proteostasis of organelles in aging and disease

open access: yesThe FEBS Journal, EarlyView.
Cells rely on regulated proteostasis mechanisms to keep their internal compartments functioning properly. When these mechanisms fail, damaged proteins accumulate, disrupting organelles, such as the nucleus, mitochondria, endoplasmic reticulum, Golgi, and lysosomes, as well as membraneless organelles, such as stress granules, processing bodies, the ...
Yara Nabawi   +5 more
wiley   +1 more source

Integrity of H1 helix in prion protein revealed by molecular dynamic simulations to be especially vulnerable to changes in the relative orientation of H1 and its S1 flank

open access: yes, 2009
In the template-assistance model, normal prion protein (PrPC), the pathogenic cause of prion diseases such as Creutzfeldt-Jakob (CJD) in human, Bovine Spongiform Encephalopathy (BSE) in cow, and scrapie in sheep, converts to infectious prion (PrPSc ...
A Aguzzi   +40 more
core   +1 more source

The Role of the Simulation in Supporting Newly Graduated Nurses in Their First 5 Months of Working Transition: Findings From a Mixed‐Method Study

open access: yesJournal of Clinical Nursing, EarlyView.
ABSTRACT Aims To understand the role of simulation in ensuring the development of the competencies expected by newly graduated register nurses (NGRNs) from the work initiation up to 5 months of transition. Methods Mixed‐method study design. A longitudinal phase employing the Nurse Competence Scale (NCS, from 0 to 100, excellent) to assess the perceived
Maura Mesaglio   +13 more
wiley   +1 more source

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