Almerian P Camerino

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The pattern of scrapie prion protein (PrP(Sc)) accumulation in the brain is different for each prion strain. We tested whether the PrP(Sc) deposition pattern is influenced by the Asn-linked oligosaccharides of PrP(C) in transgenic mice. Deletion of the first oligosaccharide altered PrP(C) trafficking and prevented infection with two prion strains. Deletion(More)
In the prion diseases, extensive reactive gliosis is often found to be out of proportion to the degree of apparent neuronal damage. To evaluate the role of astrocytic gliosis in experimental scrapie of the mouse, we inoculated mice deficient in apolipoprotein E (apoE) or the glial fibrillary acidic protein (GFAP) with mouse prions. The expression of both(More)
The neurochemical alterations preceding neurological dysfunction and neuronal death in prion diseases are not well characterized. Here we examined, using in situ hybridization histochemistry, the expression of neuropeptide Y (NPY), an inducible and abundant neuropeptide in mammalian brain with known neuroregulatory functions, and glial fibrillary acidic(More)
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