INS and breast adenocarcinoma: Proliferation assays revealed that high levels of glucose (11 mM) and insulin (100 ng/mL) promoted the proliferation of the tumor cell lines HT29 (human colon carcinoma), SW480 (human colorectal carcinoma), MCF-7 (human breast adenocarcinoma), MDA MB468 (human breast adenocarcinoma), PC3 (human prostate cancer), and T24 (human bladder carcinoma) [30].