Figure 3From: Zosuquidar restores drug sensitivity in P-glycoprotein expressing acute myeloid leukemia (AML) MRP1 and BCRP activity in K562, HL60 and their variant resistant cell lines. MRP1 and BCRP activity was measured by the uptake of Calcein-AM and Mitox in presence or absence of their specific modulators MK571 (grey) and FTC (black).Back to article page