Drug Efflux Transporters Are Overexpressed in Short-Term Tamoxifen-Induced MCF7 Breast Cancer Cells

Figure 6

Level of mRNA expressions of P-glycoprotein, MRP2, and BCRP after 5 days of treatment (MCF7-P1) or 44 days of treatment (MCF7-T) with tamoxifen 1 μM. Results were shown as mean ± SD (); () Significant difference versus MCF7 parent cells at .