Human Metapneumovirus Induces a Profile of Lung Cytokines Distinct from That of Respiratory Syncytial Virus

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<jats:title>ABSTRACT</jats:title> <jats:p>Lung cytokine and chemokine production by BALB/c mice infected with human metapneumovirus (hMPV) was compared to respiratory syncytial virus (RSV)-infected mice. hMPV infection induced lower levels of the inflammatory cytokines interleukin-1 (IL-1), IL-6 and tumor necrosis factor alpha but was a more potent inducer of granulocyte-macrophage colony-stimulating factor and triggered a more sustained production of the CXC chemokine KC compared to RSV. hMPV was a stronger inducer of both alpha interferon (IFN-α) and IFN-γ responses than RSV. In regard to immunomodulatory cytokines, hMPV failed to induce detectable IL-10 or IL-12p70 but was a potent inducer of IL-12 p40 subunit. The implications for hMPV pathogenesis are discussed.</jats:p>

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  • Journal of Virology

    Journal of Virology 79 (23), 14992-14997, 2005-12-15

    American Society for Microbiology

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