Research Article

Antioxidant Activity and Inhibitory Effects of Black Rice Leaf on the Proliferation of Human Carcinoma Cells

Figure 6

Effect of Sub5 on the activation of PI3K, Akt, and Erk. HepG2 cells were incubated with subfraction 5 (24 h, 0 to 400 μg/mL) or fluorouracil (5-FU) (25 μg/mL), and the levels of protein expression were investigated by immunoblot analysis. and represent significantly different results at and , respectively, from the untreated cells.