E3S transport efficiency in breast epithelial and breast cancer cells
| Cell System | Vmax | Km | Transport Efficiency, Vmax/Km | Transport Efficiency |
|---|---|---|---|---|
| pmol/mg protein/min | μM | μl/mg protein/min | % | |
| MCF7 | 66 ± 8.5 | 6.5 ± 1.8 | 10.21 | 100 |
| MDA435/LCC6 | 57.6 ± 4.5 | 68.3 ± 7.8 | 0.84* | 8.3 |
| MDA-MB-468 | 131.4 ± 15.9 | 203.8 ± 41 | 0.6* | 5.9 |
| MDA-MB-231 | 27.31 ± 6.2 | 46.9 ± 1.7 | 0.58* | 5.7 |
↵* p < 0.05.