Table 3.
Anti-Proliferation Activities of Compound Series 7 against HT-1080, RD, GCT, and MCF-7 cells and Selectivity Index (SI) of HT-1080 vs MCF-7.
| Compound | IC50 (nM) | SI (HT-1080 vs MCF-7) |
|||
|---|---|---|---|---|---|
| HT-1080 | RD | GCT | MCF-7 | ||
| 7a | 1148 ± 90 | 1072 ± 80 | 1274 ± 180 | > 20000 | >17 |
| 7b | 3228 ± 854 | 5600 ± 898 | 8862 ± 1487 | > 20000 | >6 |
| 7c | 5566 ± 443 | 6152 ± 535 | 4034 ± 482 | > 20000 | >4 |
| 7d | > 20000 | > 20000 | > 20000 | > 20000 | n.d. |
| 7e | > 20000 | > 20000 | > 20000 | > 20000 | n.d. |
| 7f | > 20000 | > 20000 | > 20000 | > 20000 | n.d. |
| FiVe1 | 1564 ± 288 | 3095 ± 555 | 1686 ± 349 | > 20000 | >13 |
n.d.: not determined