Mice Lacking Alpha/Beta and Gamma Interferon Receptors Are Susceptible to Junin Virus Infection

Author:

Kolokoltsova Olga A.1,Yun Nadezda E.1,Poussard Allison L.1,Smith Jennifer K.1,Smith Jeanon N.1,Salazar Milagros1,Walker Aida1,Tseng Chien-Te K.2,Aronson Judith F.12,Paessler Slobodan1

Affiliation:

1. Galveston National Laboratory, Department of Pathology

2. Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas

Abstract

ABSTRACT Junin virus (JUNV) causes a highly lethal human disease, Argentine hemorrhagic fever. Previous work has demonstrated the requirement for human transferrin receptor 1 for virus entry, and the absence of the receptor was proposed to be a major cause for the resistance of laboratory mice to JUNV infection. In this study, we present for the first time in vivo evidence that the disruption of interferon signaling is sufficient to generate a disease-susceptible mouse model for JUNV infection. After peripheral inoculation with virulent JUNV, adult mice lacking alpha/beta and gamma interferon receptors developed disseminated infection and severe disease.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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