NDRG1 and colorectal cancer: Phosphorylation of NDRG1 at Ser330 was demonstrated to be most pronounced in HT-29 colorectal cancer cells and PC3 prostate adenocarcinoma cells (69), while NDRG1 phosphorylation at Thr346 was predominantly observed in PC-3 cells and HepG2 hepatocarcinoma cells (69).