Celecoxib attenuates 5-fluorouracil-induced apoptosis in HCT-15 and HT-29 human colon cancer cells

Figure 2 Combinatorial chemotherapy of HCT-15 or HT-29 human colon cancer cells with 5-FU and/or celecoxib. Cells were treated with 10^-3 mol/L 5-FU, 10^-5 mol/L celecoxib, or both. Cell viability was determined by the MTT assay, and expressed as the cell viability index (%) defined as: (mean absorbance in the test group/mean absorbance in the control group) × 100. Results are mean ± SE. ^aP < 0.05 vs Both.