Table 4. Cytotoxic Activity of 3′-dA and Compounds 7a–f, 9a.
| HepG2 |
MCF-7 |
BxPC-3 |
HT29 |
MIA PaCa-2 |
SW620 |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| comp | LC50 | MI% | LC50 | MI% | LC50 | MI% | lC50 | MI% | LC50 | MI% | LC50 | MI% |
| 3′-dA | 142.47 | 66 | 34.23 | 78 | >198 | 22 | >198 | 44 | >198 | 35 | >198 | 10 |
| 7a | 18.73 | 76 | 3.07 | 94 | 23.59 | 81 | 13.42 | 93 | 6.85 | 96 | 24.94 | 85 |
| Sp-7a | 57.0 | 73 | 5.87 | 94 | 99.0 | 73 | 25.0 | 95 | 18.0 | 94 | 35.0 | 87 |
| Rp-7a | 32.0 | 78 | 2.94 | 97 | 74.0 | 71 | 16.0 | 97 | 14.0 | 96 | 29.0 | 82 |
| 7b | 11.53 | 95 | 1.39 | 99 | 13.36 | 90 | 7.52 | 98 | 3.73 | 98 | 11.41 | 93 |
| 7c | 142.35 | 59 | 15.46 | 87 | - | - | - | - | - | - | - | - |
| 7d | 9.53 | 99 | 2.48 | 100 | 65.46 | 99 | 16.06 | 99 | 14.69 | 106 | 35.48 | 100 |
| 7e | 96.11 | 59 | 15.78 | 78 | 60.92 | 78 | 25.24 | 89 | 12.09 | 101 | 43.4 | 90 |
| 7f | 70.22 | 84 | 9.10 | 99 | 76.18 | 71 | 37.94 | 76 | 17.55 | 91 | 56.48 | 74 |
| 9 | 156.87 | 55 | 12.97 | 97 | - | - | - | - | - | - | - | - |
| PTX | #intersect | 54 | 0.003 | 79 | >0.5 | 42 | 0.004 | 75 | 0.002 | 87 | 0.02 | 96 |
Cytotoxicity data reported as μM LC50 values (concentration of drug causing 50% cell death) and MI% values (maximum inhibitory effect of the drug at the range of concentrations considered). PTX: paclitaxel (control); (-) not tested.