We do not, however, find any evidence for induction of IL13Rα2 through TNF/IL-4 or TNF/IL-13 cytokine regimens on glioma cell lines, either established (T98 or U251T) and/or low-passage primary lines (PBT003-4, PBT008, PBT017-4). The gene discussed is TNF; the disease is glioma.