Results 81 to 90 of about 29,784 (268)

Clinical Examination Protocol to Detect Atypical and Classical Scrapie in Sheep

open access: yesJournal of Visualized Experiments, 2014
The diagnosis of scrapie, a transmissible spongiform encephalopathy (TSEs) of sheep and goats, is currently based on the detection of disease-associated prion protein by post mortem tests.
T. Konold, Laura J. Phelan
semanticscholar   +1 more source

Neurofilaments in blood is a new promising preclinical biomarker for the screening of natural scrapie in sheep.

open access: yesPLoS ONE, 2019
Scrapie is a fatal neurodegenerative disease of sheep and goats belonging to the group of Transmissible Spongiform Encephalopathy or prion diseases. The EU has adopted mandatory measures for scrapie surveillance to safeguard public and animal health ...
Henrik Zetterberg   +8 more
doaj   +1 more source

Celebrating neuropathology's contributions to Alzheimer's Disease Research Centers

open access: yesAlzheimer's &Dementia, Volume 21, Issue 10, October 2025.
Abstract Our understanding of Alzheimer's disease (AD) and related dementias (ADRD) has grown exponentially, thanks to significant investments by the National Institute on Aging (NIA). This article celebrates the 40th anniversary of the NIA's Alzheimer's Disease Research Centers, highlighting the pivotal role of neuropathology as the bedrock for ...
D. Luke Fischer   +45 more
wiley   +1 more source

Therapeutic Oligonucleotides for Neurodegenerative Diseases: Aptamer Strategies and Clay Nanoparticle‐Based Delivery

open access: yesThe Chemical Record, Volume 25, Issue 10, October 2025.
This review explores aptamers as therapeutic oligonucleotides targeting neurodegenerative diseases, including Alzheimer's, Parkinson's, and Huntington's, with a focus on G‐quadruplex‐forming sequences. It discusses chemical modifications that enhance aptamer stability and function, alongside the use of clay nanoparticles, such as halloysite nanotubes ...
Valentina Arciuolo   +9 more
wiley   +1 more source

Prion degradation pathways: Potential for therapeutic intervention [PDF]

open access: yes, 2015
Prion diseases are fatal neurodegenerative disorders. Pathology is closely linked to the misfolding of native cellular PrP(C) into the disease-associated form PrP(Sc) that accumulates in the brain as disease progresses. Although treatments have yet to be
Goold, R, McKinnon, C, Tabrizi, SJ
core   +1 more source

Metabolic and Inflammatory Stimuli Impact Vascular Circulation and Cell Proliferation Processes in the Amygdala

open access: yesGenes, Brain and Behavior, Volume 24, Issue 5, October 2025.
Sex‐specific differential expression of the genes in the synaptic vesicle cycle pathway of the amygdala in response to stimuli. In the pathway network depiction, the edges connecting the nodes (genes) represent known molecular interactions. More intense red and blue hues indicate gene under‐expression and over‐expression in response to fasting relative
Sreelaya Bhamidi   +5 more
wiley   +1 more source

Atypical/Nor98 scrapie infectivity in sheep peripheral tissues. [PDF]

open access: yesPLoS Pathogens, 2011
Atypical/Nor98 scrapie was first identified in 1998 in Norway. It is now considered as a worldwide disease of small ruminants and currently represents a significant part of the detected transmissible spongiform encephalopathies (TSE) cases in Europe ...
Olivier Andréoletti   +14 more
doaj   +1 more source

Assignment of the Human and Mouse Prion Protein Genes to Homologous Chromosomes [PDF]

open access: yes, 1986
Purified preparations of scrapie prions contain one major macromolecule, designated prion protein (PrP). Genes encoding PrP are found in normal animals and humans but not within the infectious particles.
Blatt, Cila   +13 more
core  

Partial Deletion of the Carboxyl‐Terminal Signal Sequence of the Cellular Prion Protein Alters Protein Expression via Endoplasmic Reticulum–Associated Degradation

open access: yesThe FASEB Journal, Volume 39, Issue 17, 15 September 2025.
Knock‐in mice expressing PrP with a partial deletion of the C‐terminal signal sequence (KIBVPrP248) showed reduced PrPC expression and resistance to prion infection. The underlying mechanism is that the mutant PrP is aberrantly retained in the endoplasmic reticulum and eventually undergoes proteasomal degradation.
Miryeong Yoo   +12 more
wiley   +1 more source

Interspecies transmission to bovinized transgenic mice uncovers new features of a CH1641-like scrapie isolate

open access: yesVeterinary Research, 2018
In animal prion diseases, including bovine spongiform encephalopathy (BSE) in cattle, chronic wasting disease in cervids, and scrapie in sheep and goats, a disease-associated isoform of prion protein (PrPd) accumulates in the brains of affected animals ...
Kohtaro Miyazawa   +5 more
doaj   +1 more source

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