Table 2.
Overall and stage growth inhibitory activity of compounds from Figure 1 against Plasmodium falciparum strain W2mef
Compound # | % Inhibition at 10 μMa | IC50 nMb overall | IC50 nM ringsc | IC50 nM trophozoitesc | IC50 nM schizontsc |
---|---|---|---|---|---|
1 | 87.48 | 384 ± 1.1 | 328 ± 1.3 | 509 ± 1.1 | 376 ± 1.6 |
2 | 85.07 | 320 ± 1.1 | 228 ± 1.2 | 620 ± 1.6 | 317 ± 1.1 |
5 | 91.69 | 506 ± 1.3 | 409 ± 1.3 | 726 ± 1.4 | 716 ± 1.5 |
6 | 49.75 | 1096 ± 1.2 | 1197 ± 1.2 | 1998 ± 1.1 | 1207 ± 1.1 |
13 | 74.90 | 3769 ± 1.1 | 1075 ± 1.2 | 16571 ± 1.5 | 1998 ± 1.2 |
This is percent overall parasite growth inhibition.
Overall IC50 values were determined based upon the number of DNA positive erythrocytes.
Ring, trophozoite, and schizont IC50 values were calculated based upon the number of each life cycle stage present at each dose of drug.