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Heppner, F L; Musahl, C; Arrighi, I; Klein, M A; Rülicke, T; Oesch, B; Zinkernagel, R M; Kalinke, U; Aguzzi, A (2001). Prevention of scrapie pathogenesis by transgenic expression of anti-prion protein antibodies. Science, 294(5540):178-182.

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Variant Creutzfeldt-Jakob disease and bovine spongiform encephalopathy are initiated by extracerebral exposure to prions. Although prion transmission from extracerebral sites to the brain represents a potential target for prophylaxis, attempts at vaccination have been limited by the poor immunogenicity of prion proteins. To circumvent this, we expressed an anti-prion protein (anti-PrP) mu chain in Prnp(o/o) mice. Transgenic mice developed sustained anti-PrP titers, which were not suppressed by introduction of Prnp+ alleles. Transgene expression prevented pathogenesis of prions introduced by intraperitoneal injection in the spleen and brain. Expression of endogenous PrP (PrP(C)) in the spleen and brain was unaffected, suggesting that immunity was responsible for protection. This indicates the feasibility of immunological inhibition of prion disease in vivo.


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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Institute of Neuropathology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Date:5 October 2001
Deposited On:11 Feb 2008 12:26
Last Modified:05 Apr 2016 12:20
Publisher:American Association for the Advancement of Science (AAAS)
Publisher DOI:10.1126/science.1063093
PubMed ID:11546838

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