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  • Title: Mechanism of inhibition of HSV-1 replication by tumor necrosis factor and interferon gamma.
    Author: Feduchi E, Carrasco L.
    Journal: Virology; 1991 Feb; 180(2):822-5. PubMed ID: 1846503.
    Abstract:
    Tumor necrosis factor (TNF) synergizes with interferon (IFN gamma) in the blockade of HSV-1 replication. Antibodies against IFN beta block this synergism, implying a role of IFN beta in the antiviral activity of TNF plus IFN gamma. IFN beta 1 added exogenously to Hep-2 cells shows antiviral activity against HSV-1 only at high concentrations, whereas IFN beta 2 (also known as IL-6) alone has no effect on the replication of VSV or HSV-1 even when 1,000 U/ml are present. Our results are in accordance with the idea that TNF induces IFN beta 1 and that both cytokines must be present in the culture medium to synergize with IFN gamma in order to inhibit HSV-1 replication.
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