SLC2A1 and cancer: In particular, while aglycone cNDI 32 was quickly uptaken by passive diffusion or facilitated transport both in cancer cell lines HT-29 and MCF-7 and in the noncancerous cell line MRC-5, the uptake of compounds 30–32 in HT-29 and MCF-7 cells, where the GLUT is overexpressed, was more efficient.