Mostrando 121 - 140 Resultados de 4,339 Para Buscar '"Prion"', tiempo de consulta: 0.32s Limitar resultados
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    “…In most transmissible spongiform encephalopathies prions accumulate in the lymphoreticular system (LRS) long before they are detectable in the central nervous system. …”
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  4. 124
    “…BACKGROUND: Prions, composed of a misfolded protein designated PrP(Sc), are infectious agents causing fatal neurodegenerative diseases. …”
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  5. 125
    por Mabbott, Neil A.
    Publicado 2012
    “…Prion diseases are subacute neurodegenerative diseases that affect humans and a range of domestic and free-ranging animal species. …”
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    “…Mammalian prions are hypothesized to be fibrillar or amyloid forms of prion protein (PrP), but structures observed to date have not been definitively correlated with infectivity and the three-dimensional structure of infectious prions has remained obscure. …”
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  8. 128
    “…Prion diseases are neurodegenerative conditions characterized by the conformational conversion of the cellular prion protein (PrP(C)), an endogenous membrane glycoprotein of uncertain function, into PrP(Sc), a pathological isoform that replicates by imposing its abnormal folding onto PrP(C) molecules. …”
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    “…Mammalian prions are unconventional infectious agents that invade and replicate in an organism by recruiting a normal form of a prion protein (PrP(C)) and converting it into misfolded, disease-associated state referred to as PrP(Sc). …”
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  11. 131
    “…Further, Western blot analysis demonstrated that PrP(res) banding patterns of the H-BSE prion were indistinguishable from those of the C-BSE prion in TgHaNSE mice. …”
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    “…The use of yeast systems to study the propagation of prions and amyloids has emerged as a crucial aspect of the global endeavor to understand those mechanisms. …”
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    “…Corruption of cellular prion protein (PrP(C)) function(s) at the plasma membrane of neurons is at the root of prion diseases, such as Creutzfeldt-Jakob disease and its variant in humans, and Bovine Spongiform Encephalopathies, better known as mad cow disease, in cattle. …”
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  16. 136
    “…Prion replication is believed to be the cause of the neurotoxicity that arises during prion disease pathogenesis. …”
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    “…Some of the early events following scrapie infection take place in the lymphoreticular system (LRS) and result in significant replication of prions in lymphoid organs. The identity of the cells in the LRS that produce prions and their role in neuroinvasion are still unknown. …”
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