A relative intracellular levels of DAS in cells overexpressing ABCB1 transporter. * denotes significant change in intracellular level of DAS (P<0.05) between K562 cells and cells expressing various levels of ABCB1, K562/Dox and K562/DoxDR1.  
  Part of: Mlejnek P, Dolezel P, Ruzickova E (2017) Drug resistance of cancer cells is crucially affected by expression levels of ABC-transporters. BioDiscovery 20: e11211. https://doi.org/10.3897/biodiscovery.20.e11211