Cancer Institute A national cancer institute
designated cancer center

Ronald Levy, MD

Publication Details

  • TREATMENT OF A MURINE B-CELL LYMPHOMA WITH MONOCLONAL-ANTIBODIES AND IL-2 JOURNAL OF IMMUNOLOGY Berinstein, N., Levy, R. 1987; 139 (3): 971-976

    Abstract:

    A transplantable murine B cell lymphoma was used to study combination therapy with anti-idiotype antibody and interleukin 2 (IL 2). Class-switched IgG2a and IgG2b antibodies were compared. A marked additive and sometimes synergistic effect was seen when IL 2 was combined with either IgG2a or IgG2b anti-idiotype antibodies. A synergistic effect was also seen when similar experiments were performed in nude mice. In vitro antibody-dependent cellular cytotoxicity (ADCC) assays showed that IL 2 enhanced antibody-mediated lysis by peritoneal cells exposed to IL 2 in vitro in a dose-related manner. Peritoneal cells harvested from mice treated in vivo with IL 2 contained an increased number of T cells and asialo GM+ natural killer cells, and also mediated enhanced ADCC. Depletion of natural killer cells with anti-asialo GM and complement resulted in a marked decrease in the antibody-dependent cytotoxicity mediated by these peritoneal cells. The mechanism of synergy between monoclonal antibody and IL 2 may be due to the direct or indirect activation of natural killer cells mediating ADCC.

    View details for Web of Science ID A1987J362700049

    View details for PubMedID 3496394

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