Search Results - "prion"

Chaperones and prions

Table of Contents: “…Contents: Prion diseases -- Prions as self-propagating amyloids -- Yeast prions as protein-based heritable elements -- Prion detection -- Crucial role of the chaperone protein Hsp104 in the propagation of yeast prions -- Chaperone-mediated fragmentation turns amyloids into infectious or heritable prions -- Effects of the Hsp70 and Hsp40 proteins on yeast prions -- Other modulators of prion formation and propagation: cytoskeleton and ubiquitin system.…”
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Prion-like propagation of Parkinson's disease

Table of Contents: “…Contents: Parkinson's disease : symptoms and pathology (PD mutations and risk factors) -- Braak staging of Lewy body-related pathology in PD -- The prion-like hypothesis -- Key steps of alpha-synuclein pathology propagation (Release, Uptake, Seeding, Transport) -- In vivo and cell models from different species -- Therapeutic targets: promoting degradation, antibody aided clearance, and preventing seeding of alpha-synuclein -- Parkinson's disease vaccine: first clinical studies.…”
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The dark side of amyloid PMEL, a natural amyloid in melanosome biogenesis /

“…Biomedical & life sciences collection. Prions and amyloids : self-propagating protein structures in mammals, yeast and fungi.…”
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Protein degradation and defense against neurodegenerative disease part 2 of 2 /

Table of Contents: “…Contents: The 26S proteasome -- The 20S proteasome -- Proteasome inhibitors -- PS-341 -- Proteasome inhibitors in multiple myeloma -- Structures of the archaeal PAN ATPase-20S complex and the eukaryotic 26S proteasome -- Multiple ATP-dependent steps in proteasome function -- The gating mechanism of the proteasome -- Prions inhibit proteasome function -- Binding of ubiquitin conjugates activate the 26S proteasome by stimulating 20S gate-opening and ATP hydrolysis -- Ubiquitin conjugates activate their own degradation by the 26S Proteasome -- The inhibitor of proteasome-associated deubiquitinating enzyme Usp14, IU1, enhances degradation of tau.…”
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Targeting Aß oligomers a molecular basis for the cause, diagnosis, and treatment of Alzheimer's disease /

Table of Contents: “…Contents: The oligomer cascade hypothesis for Alzheimer's Disease -- Why the oligomer hypothesis has largely supplanted the amyloid cascade hypothesis -- The role of AβOs in memory failure and the major facets of AD neuropathology -- Mechanisms by which AβOs instigate neurotoxicity -- Why AβOs accumulate in the first place -- How AβOs offer superb targets for novel AD diagnostics and disease-modifying therapeutics -- Beside its direct link to Alzheimer's disease, the discovery of toxic Aβ oligomers has provided a novel structural archetype for toxins germane to more than two dozen diseases of protein mis-folding, including Diabetes, Parkinson's, and prion diseases.…”
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