PPARG and neoplasm: At the end of this experiment, average volume of tumours produced by control cells (250.6 mm3 ± 60) was significantly larger than those produced by PC3-M-PPARγ-si-M cells (19.5 mm3 ± 14.6) (Student's t-test, p = 0.008) and PC3-M-PPARγ-si-H cells (2 mm3) (p = 0.0009) (Fig. 2D).