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Insights into prion strains and neurotoxicity.


Aguzzi, A; Heikenwalder, M; Polymenidou, M (2007). Insights into prion strains and neurotoxicity. Nature Reviews. Molecular Cell Biology, 8(7):552-561.

Abstract

Transmissible spongiform encephalopathies (TSEs) are neurodegenerative diseases that are caused by prions and affect humans and many animal species. It is now widely accepted that the infectious agent that causes TSEs is PrPSc, an aggregated moiety of the host-derived membrane glycolipoprotein PrPC. Although PrPC is encoded by the host genome, prions themselves encipher many phenotypic TSE variants, known as prion strains. Prion strains are TSE isolates that, after inoculation into distinct hosts, cause disease with consistent characteristics, such as incubation period, distinct patterns of PrPSc distribution and spongiosis and relative severity of the spongiform changes in the brain. The existence of such strains poses a fascinating challenge to prion research.

Transmissible spongiform encephalopathies (TSEs) are neurodegenerative diseases that are caused by prions and affect humans and many animal species. It is now widely accepted that the infectious agent that causes TSEs is PrPSc, an aggregated moiety of the host-derived membrane glycolipoprotein PrPC. Although PrPC is encoded by the host genome, prions themselves encipher many phenotypic TSE variants, known as prion strains. Prion strains are TSE isolates that, after inoculation into distinct hosts, cause disease with consistent characteristics, such as incubation period, distinct patterns of PrPSc distribution and spongiosis and relative severity of the spongiform changes in the brain. The existence of such strains poses a fascinating challenge to prion research.

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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
Language:English
Date:2007
Deposited On:11 Feb 2008 12:27
Last Modified:05 Apr 2016 12:21
Publisher:Nature Publishing Group
ISSN:1471-0072
Publisher DOI:https://doi.org/10.1038/nrm2204
PubMed ID:17585315
Permanent URL: https://doi.org/10.5167/uzh-1966

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