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  • Title: Cytotoxic effects of alpha- and gamma-interferon and tumor necrosis factor in human bladder tumor cell lines.
    Author: Niell HB, Mauer AM, Rademacher D.
    Journal: Urol Res; 1994; 22(4):247-50. PubMed ID: 7871638.
    Abstract:
    We investigated the activity of alpha-interferon (alpha-IFN), gamma-interferon (gamma-IFN) and tumor necrosis factor-alpha (TNF-alpha) in a panel of ten human bladder tumor cell lines. All cytokines were tested at concentrations of 100-10,000 U/ml in a clonogenic assay system. We found that alpha-IFN was active against five of the ten lines while gamma-IFN was only active against one line. TNF was active against five of the ten lines. Maximum synergisms were obtained between the alpha-IFN and TNF, occurring in nine of the ten cell lines. We conclude that alpha-IFN and TNF are active as single agents and synergistic when used together in vitro in human bladder tumor cell lines.
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