Fluorescence levels of intracellular MTX in the two breast cancer cell lines
Cells were treated or not with 30 μM DHA during 7 days, then incubated during 1 h with MTX (0.5 μM). Data are means ± S.D. of 16 to 23 values.
MCF-7 | MDA-MB-231 | ||
|---|---|---|---|
| a.u. | |||
| Control | 38,974 ± 6276 | 15,827 ± 1746 | |
| DHA | 38,833 ± 4418* | 23,567 ± 3627** | |
Unpaired t test (not significant: *P > 0.05; significant: **P < 0.001).