The average tumor volume after the pFZD7-Stx1 treatment was about 0.38 cm3 at 5 weeks compared with 1.46, 1.40 and 1.49 cm3 average tumor volumes after the PBS, Mut pFZD7-Stx1 and pFZD7 treatments, (p < 0.01) respectively. This evidence concerns the gene STX1A and neoplasm.