It is reported that both IL4 and IL13 share signalling events in human colon carcinoma cell lines (HT29 and WiDr), and that both IL13 and IL4 induce phosphorylation of IL4 STAT (STAT6) (Murata et al, 1996; Terabe et al, 2000). The gene discussed is SOAT1; the disease is colon carcinoma.