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Matsui M, Nakanishi T, Noguchi T, Ferrone S: Synergistic in vitro and in vivo anti-tumor effect of daunomycin-anti-96-kDa melanoma-associated antigen monoclonal antibody CL 207 conjugate and recombinant IFN-gamma. J Immunol. 1988 Aug 15;141(4):1410-7.
The mAb CL 207 recognizes a 96-kDa melanoma-associated Ag. The latter is not modulated by antibody but is highly susceptible to induction by immune IFN-gamma on human carcinoma and melanoma cells. The mAb CL 207 does not mediate C- and cell-dependent lysis of human carcinoma and melanoma cells. Conjugation of daunomycin with mAb CL 207 causes a slight reduction of its immunoreactivity and affinity but does not affect its serologic specificity or the toxicity of daunomycin. In combination with IFN-gamma, the daunomycin-mAb CL 207 conjugate displays a selective in vitro and in vivo toxic effect on tumor cells that express the 96-kDa MAA. The synergistic effect of IFN-gamma and daunomycin-mAb CL 207 conjugate is specific. The in vivo toxicity is influenced by the interval between injection of human tumor cells into nude mice and that of IFN-gamma and daunomycin-mAb CL 207 conjugate. The present results suggest that the 96-kDa melanoma-associated Ag may be a useful model to investigate the combined use of IFN-gamma and mAb for the selective destruction of tumor cells. |
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