Further, we detected relatively lower expression of TGF-β2, TGF-βRIII, ARHGEF15 and ABL2 in both SW1990- and PANC-1-reporter cells co-cultured with irradiated feeder cells than those with untreated ones in vitro (Fig. 4h), and similarly in irradiated tumor tissues than in the untreated ones in vivo (Fig. 4i). This evidence concerns the gene TGFB2 and neoplasm.