Table 1.

Toxicity of ETM to normal and tumor cell lines.

Cell Line	Mean IC50 ± SD (µM)
Vero	359.80 ± 14.94
A431	412.84 ± 35.76
BT-20	393.62 ± 10.56
BT-474	202.71 ± 9.25 **
Hs578T	275.30 ± 22.88 *
HepG2	356.07 ± 8.30
Caco2	240.89 ± 5.43 **
A172	0.41 ± 0.15 **
PANC-1	638.95 ± 17.62 **

* p < 0.01; ** p < 0.001 versus Vero cells.