IL15 and neoplasm: In a further set of experiments with fixed test item concentration and varying E:T ratios, tumor cell lysis was induced in all three tested cell lines (ZR-75-1, MCF-7 and T-47D) by GT-00AxIL15 and controls, but again, GT-00AxIL15-mediated effects were higher compared to the ADCC induced by GT-00A or the IL-15-induced cytotoxicity of MOPCxIL15 (Figure 3B).