Research Article

Anticancer Effect of a Novel Octahydropyrazino[2,1-a:5,4-a′]diisoquinoline Derivative and Its Synergistic Action with Nigella sativa in Human Gastric Cancer Cells

Figure 4

Viability of cultured AGS gastric adenocarcinoma cells treated for 24 hours with Nigella sativa seed oil + OM-90 (2.4 mg/mL + 20 μM), Nigella sativa seed oil + etoposide (2.4 mg/mL + 20 μM), Nigella sativa seed methanolic extract + OM-90 (0.5 mg/mL + 20 μM), and Nigella sativa seed methanolic extract + etoposide (0.5 mg/mL + 20 μM). Mean values ± SD from three independent experiments done in duplicate are presented.