Cell line Gemcitabine Dose (┬ÁM)
IC50
SW-20 13.0 ± 2.4
HT-29 10.0 ± 1.3
SNU-C4 3.5 ± 0.9
Table 1: IC50 values (µM; mean ± standard deviation, n=6) in SW620, HT-29 and SNU-C4 human colon cancer cell lines after 24 h treatment with gemcitabine.