Cell models of prion infection
نویسندگان
چکیده
منابع مشابه
Cell models of prion infection.
Due to recent renewal of interest and concerns in prion diseases, a number of cell systems permissive to prion multiplication have been generated in the last years. These include established cell lines, neuronal stem cells and primary neuronal cultures. While most of these models are permissive to experimental, mouse-adapted strains of prions, the propagation of natural field isolates from shee...
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Propagation of a modified form of the cellular prion protein is thought to be the primary cause of the transmissible spongiform encephalopathies, which include kuru, Creutzfeldt-Jakob disease (CJD), scrapie, and bovine spongiform encephalopathy (BSE). These highly unusual neurological maladies seem to arise spontaneously at extremely low rates. In addition, these diseases can be transmitted dir...
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Only a few cell lines have been infected with prions, offering limited genetic diversity and sensitivity to several strains. Here we report that cultured neurospheres expressing cellular prion protein (PrP(C)) can be infected with prions. Neurosphere lines isolated from the brains of mice at embryonic day 13-15 grow as aggregates and contain CNS stem cells. We produced neurosphere cultures from...
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Within the CNS, the normal form of cellular prion protein (PrP(C)) is expressed on neurons, oligodendrocytes, and astrocytes. The contribution of these cell types to prion replication and pathogenesis is unclear. To assess the role of oligodendrocytes, we expressed PrP(C) under the control of the myelin basic protein (MBP) promoter in mice lacking endogenous PrP(C). PrP(C) was detected in oligo...
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ژورنال
عنوان ژورنال: Veterinary Research
سال: 2007
ISSN: 0928-4249,1297-9716
DOI: 10.1051/vetres:2007049