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 2

Viability of cultured AGS gastric adenocarcinoma cells exposed to various concentrations of Nigella sativa seed oil (a), Nigella sativa seed methanolic extract (b), and methanol alone (c) for 24 hours. Mean values ± SD from three independent experiments done in duplicate are presented.
(a)
(b)
(c)