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. 2007 Jan 16;96(3):457–463. doi: 10.1038/sj.bjc.6603559

Table 2. IC50 values of gemcitabine in parental and gemcitabine-resistant cells of PCI43 and PK1 cell lines.

Cell lines IC50 (nM) of GEM Resistant ratio
PCI43 350  
PCI43–G4000 55 000 157
PK1 160  
PK1–G4000 100 000 625
KLM1 80  
KLM1–G4000 210 000 2625