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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-1921

Brandner, S; Klein, M A; Frigg, R; Pekarik, V; Parizek, P; Raeber, A; Glatzel, M; Schwarz, P; Rülicke, T; Weissmann, C; Aguzzi, A (2000). Neuroinvasion of prions: insights from mouse models. Experimental Physiology, 85(6):705-712.

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The prion was defined by Stanley B. Prusiner as the infectious agent that causes transmissible spongiform encephalopathies. A pathological protein accumulating in the brain of scrapie-infected hamsters was isolated in 1982 and termed prion protein (PrPSc). Its cognate gene Prnp was identified more than a decade ago by Charles Weissmann, and shown to encode the host protein PrP(C). Since the latter discovery, transgenic mice have contributed many important insights into the field of prion biology, including the understanding of the molecular basis of the species barrier for prions. By disrupting the Prnp gene, it was shown that an organism that lacks PrP(C) is resistant to infection by prions. Introduction of mutant PrP genes into PrP-deficient mice was used to investigate the structure-activity relationship of the PrP gene with regard to scrapie susceptibility. Ectopic expression of PrP in PrP knockout mice proved a useful tool for the identification of host cells competent for prion replication. Finally, the availability of PrP knockout mice and transgenic mice overexpressing PrP allows selective reconstitution experiments aimed at expressing PrP in neurografts or in specific populations of haemato- and lymphopoietic cells. The latter studies have allowed us to clarify some of the mechanisms of prion spread and disease pathogenesis.


14 citations in Web of Science®
15 citations in Scopus®
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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:1 November 2000
Deposited On:11 Feb 2008 12:26
Last Modified:05 Apr 2016 12:21
Publisher DOI:10.1111/j.1469-445X.2000.02091.x
Related URLs:http://ep.physoc.org/cgi/content/abstract/85/6/705
PubMed ID:11187965

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