TABLE 5

Effects of gemcitabine-pemetrexed combinations on dCK and hENT1 gene expression of NSCLC cell lines

The amount of target gene, normalized to GAPDH and relative to the calibrator (untreated control cells), is given as 2-ΔΔCT.

Effect Levels Treatments dCK hENT1
A549 Cells
Control 1.00 1.00
    0.25 Gemcitabine-pemetrexed 1.37 1.38
    0.25 Pemetrexed-gemcitabine 1.42 1.51
    0.50 Gemcitabine-pemetrexed 1.45 2.80
    0.50 Pemetrexed-gemcitabine 3.01 3.19
Calu-1 Cells
Control 1.00 1.00
    0.25 Gemcitabine-pemetrexed 1.05 1.42
    0.25 Pemetrexed-gemcitabine 1.12 1.38
    0.50 Gemcitabine-pemetrexed 1.37 1.36
    0.50 Pemetrexed-gemcitabine 1.59 1.73
Calu-6 Cells
Control 1.00 1.00
    0.25 Gemcitabine-pemetrexed 0.93 1.54
    0.25 Pemetrexed-gemcitabine 1.07 1.66
    0.50 Gemcitabine-pemetrexed 1.87 1.80
    0.50 Pemetrexed-gemcitabine 1.95 2.02