Figure 1.
Effect of sinomenine on the viability of A549 cells. Cells were treated with 0–2 mM sinomenine or 0.25 uM cucurbitacin I for 24–72 h. Cell viability was analyzed using a colorimetric kit. Data are expressed as the mean ± standard deviation (n=3), *P<0.05 vs. untreated vehicle control.