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  • Title: Recombinant migration inhibitory factor induces nitric oxide synthase in murine macrophages.
    Author: Cunha FQ, Weiser WY, David JR, Moss DW, Moncada S, Liew FY.
    Journal: J Immunol; 1993 Mar 01; 150(5):1908-12. PubMed ID: 7679698.
    Abstract:
    A recombinant form of migration inhibitory factor (MIF) obtained from COS-1 cells transfected with a cDNA library from a human T cell hybridoma is able to activate, in a dose-dependent manner, murine macrophages to express nitric oxide (NO) synthase and to produce high levels of NO in vitro. The time course of the induction of NO synthase is similar to that produced by the IFN-gamma. Enzyme activity peaks at 24 h and is undetectable by 72 h. MIF can synergize with IFN-gamma in the induction of NO synthesis, and the induction of NO synthase by both MIF and IFN-gamma is sensitive to inhibition by dexamethasone. However, unlike IFN-gamma-induced NO generation, MIF is sufficient for the induction of the enzyme, does not synergize with LPS, and is highly sensitive to inhibition by transforming growth factor.
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