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Am J Med Sci. 1996 May;311(5):201-4.

Protective Role of TNF-alpha in respiratory syncytial virus infection in vitro and in vivo.

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1
Departmemt of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-2605, USA.

Abstract

Respiratory syncytial virus (RSV) infection causes substantial morbidity in young children and immunocompromised adults, yet its pathogenesis is poorly understood. Because the proinflammatory cytokine tumor necrosis factor-alpha (TNF-alpha) may be important in host response to viral infection, HEp-2 cells were treated with TNF-alpha and mice were given TNF-alpha antibody before RSV infection. Pretreatment of HEp-2 cells with TNF-alpha inhibited RSV replication as determined by cytopathic effect. Respiratory syncytial virus-infected BALB/c mice treated with antibody to TNF-alpha had greater maximal weight loss and slower recovery time than control mice. These results suggest a protective role for TNF-alpha in RSV infection.

PMID:
8615393
[Indexed for MEDLINE]

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