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  • Title: Inhibition of establishment and growth of mouse liver metastases after treatment with interferon gamma and beta-1,3-D-glucan.
    Author: Sveinbjørnsson B, Rushfeldt C, Seljelid R, Smedsrød B.
    Journal: Hepatology; 1998 May; 27(5):1241-8. PubMed ID: 9581677.
    Abstract:
    The purpose of this study was to investigate the combined antitumor effect of aminated beta-1,3-D-glucan (AG) and interferon-gamma (IFN-gamma) in an experimental liver metastasis model. Liver metastases were established by inoculation of C-26 colon carcinoma cells into the superior mesenteric vein of syngeneic mice. Treatment of mice started 24 hours after inoculation of tumor cells by daily intravenous injections of either AG, IFN-gamma, or a combination of both for a duration of 6 days. The resultant liver metastases were then quantified after an additional period of 11 days. Combination of IFN-gamma and AG inhibited the growth of liver metastases almost entirely. IFN-gamma was also very efficient, while AG alone did not exert any significant antitumor effect. These results, along with histological studies from mice receiving AG and IFN-gamma, indicated that activation and recruitment of liver macrophages may be a part of the mechanism responsible for the inhibition of metastatic growth observed in this study.
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