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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-1838

Mrkic, B; Pavlovic, J; Rülicke, T; Volpe, P; Buchholz, C J; Hourcade, D; Atkinson, J P; Aguzzi, A; Cattaneo, R (1998). Measles virus spread and pathogenesis in genetically modified mice. Journal of Virology, 72(9):7420-7427.



Attenuated Edmonston measles virus (MV-Edm) is not pathogenic in standard mice. We show here that MV-Edm inoculated via the natural respiratory route has a limited propagation in the lungs of mice with a targeted mutation inactivating the alpha/beta interferon receptor. A high dose of MV-Edm administered intracerebrally is lethal for about half of these mice. To study the consequences of the availability of a high-affinity receptor for MV propagation, we generated alpha/beta interferon-defective mice expressing human CD46 with human-like tissue specificity. Intranasal infection of these mice with MV-Edm resulted in enhanced spread to the lungs and more prominent inflammatory response. Virus replication was also detected in peripheral blood mononuclear cells, the spleen, and the liver. Moreover, intracerebral inoculation of adult animals with low MV-Edm doses caused encephalitis with almost inevitably lethal outcome. We conclude that in mice alpha/beta interferon controls MV infection and that a high-affinity receptor facilitates, but is not strictly required for, MV spread and pathogenesis.


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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 September 1998
Deposited On:11 Feb 2008 12:25
Last Modified:27 Nov 2013 20:07
Publisher:American Society for Microbiology
Related URLs:http://jvi.asm.org/cgi/content/abstract/72/9/7420
PubMed ID:9696838

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