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)
Conjugates of antiviral and antiblastic nucleoside analogs (NAs) with galactosyl-terminating peptides selectively enter hepatocytes after binding of the carrier galactose residues to the asialoglycoprotein receptor. Since NAs, when set free from the carrier within hepatocytes, partly exit from these cells into the bloodstream, we considered the possibility(More)
In this work the modulation of the regio- and stereo-selective hydroxylation of testosterone by vinclozolin was studied in evaluating cocarcinogenic properties. Changes of cytochrome P450-(CYP)-catalysed drug metabolism was investigated in liver, kidney and lung microsomes of Swiss Albino CD1 mice of both sexes after single (625 or 1250 mg kg-1 b.w.) or(More)
Nucleoside analogs conjugated with galactosyl-terminating peptides selectively enter liver cells and after intracellular release from the carrier partly exit into bloodstream, resulting in higher concentrations in liver blood than in systemic circulation. The aim of the present experiments was to ascertain whether, in mice injected with non-toxic doses of a(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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