Figure 1

Representative IL13Rα1, IL13Rα2, and IL4Rα surface immunoreactivity in glioma and renal cell carcinoma (RCC) cells. Glioma (A) and RCC (B) cells were stained with mouse monoclonal antibodies (MoAbs) raised against IL13Rα1, IL13Rα2, and IL4Rα chains and relevant controls (solid histogram), as described in “Materials and Methods.” Results are given as mean fluorescence intensity (MFI) in brackets. Data are representative of five independent experiments.