Table 1

The IC50 of isoflavones (μg/ml) in human uroepithelial cell lines

Uroepithelial cell lines (tumor grading)GenisteinBiochanin-ADaidzeinGenistein + biochanin-A + daidzein
E6 (normal)15–203035–4010–15
RT4 (grade 1)3–5520 3
TSGH8301 (grade 2)3–510–15401–3
SCABER (grade 2)515403–5
BFTC-905 (grade 3)51530–40 3
T24 (grade 3)5–101540–50 5
J82 (grade 3)101540 5
HT-1376 (grade 3)2530>5010