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The role of gamma interferon in infection of susceptible mice with murine coronavirus, MHV-JHM

The role of gamma interferon in infection of susceptible mice with murine coronavirus, MHV-JHM

Archives of Virology 121(1-4): 89-100

Infection of BALB/c mice with mouse hepatitis virus, strain JHM (MHV-JHM), at any of several intervals relative to ovalbumin (OVA) administration resulted in elevated OVA-specific IgG 2 a titers. Since gamma interferon (IFN) has been implicated as an up-regulator of IgG 2 a production, attempts were made to determine whether levels of this cytokine were modified in sera of infected mice. Serum IFN-gamma was not detected, but treatment of MHV-JHM-infected mice with monoclonal anti-IFN-gamma antibody resulted in high mortality with decreased survival times, enhanced virus titers in liver and spleen, and more severe virus-associated pathology, compared to mock-treated, infected mice. Immunotherapy with recombinant IFN-gamma ameliorated disease as reflected by mortality rates and virus titers in target organs.

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Accession: 041743562

Download citation: RISBibTeXText

PMID: 1662041

DOI: 10.1007/bf01316746

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