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. 2001 Feb;132(3):778–784. doi: 10.1038/sj.bjp.0703863

Figure 2.

Figure 2

Effects of various concentrations of glibenclamide on calcein accumulation in drug-resistant GLC4/Sb30 and drug-sensitive GLC4 cells. Cells were incubated with 0.5 μM calcein AM in the presence of various concentrations of glibenclamide (from 0 to 100 μM). Intracellular calcein accumulation was then determined by fluorimetry. The values are expressed as fluorescence arbitrary units (FAU) normalized to protein content and are the mean±s.d.mean of at least three independent experiments in triplicate. *P<0.05 when compared to cells not treated by glibenclamide.