Flow cytometric analysis of ABCB1 expression. Isotype control (grey histogram); K562 parental cell line (solid line); K562/Dox cells (dash-dot line); K562/DoxDR1 cells (dot line).  
  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