TABLE 1.
Drug (therapeutic category) | DF1a (class) | DF2b (class) | IC50 expc (nM) | TC50 expd (nM) | SI | Log Pe |
---|---|---|---|---|---|---|
Active drugs | ||||||
Monensin (antibacterial/ionophore) | 4.22 (A) | −21.62 (NC) | <10−3 | 3.20 × 104 | >3.2 × 107 | 2.77 |
Nigericin (ionophore) | 3.36 (A) | −24.22 (NC) | <10−3 | 1.32 × 104 | >1.32 × 107 | 3.78 |
Delaverdine (antiviral) | −0.21 (NC) | 6.75 (HA) | 0.846 | >1 × 105 | >1.18 × 105 | 3.65 |
Mibefradil (antihypertensive) | 7.59 (A) | 6.66 (HA) | 0.873 | 6.79 × 104 | 7.7 × 104 | 3.47 |
Licochalcone A (estrogenic flavonoid) | 8.26 (A) | 7.99 (HA) | 0.927 | 6.34 × 104 | 6.83 × 104 | 2.57 |
Miconazole (antifungal) | 1.46 (A) | 1.77 (HA) | 2.03 | 7.04 × 104 | 3.47 × 104 | 5.94 |
Dobutamine (cardiotonic) | 5.74 (A) | 1.52 (HA) | 3.7 | >1 × 105 | >2.70 × 104 | 1.57 |
Ritonavir (antiviral) | 8.80 (A) | −5.38 (A) | 34.2 | 6.73 × 104 | 1.96 × 103 | 6.71 |
Saquinavir (antiviral) | 9.14 (A) | −6.76 (A) | 35.2 | 6.37 × 104 | 1.80 × 103 | 4.96 |
Epoximicin (antineoplastic) | 8.17 (A) | 7.92 (HA) | 3.95 × 103 | 4.73 × 104 | 11.97 | 2.38 |
Indinavir (antiviral) | 8.89 (A) | −10.55 (A) | 5 × 103 | 8.77 × 103 | 1.754 | 5.94 |
Vinblastine (antineoplastic) | 1.21 (A) | 38.71 (NC) | 7.95 × 103 | 5.45 × 104 | 6.85 | 3.55 |
Nordihydroguaiaretic acid (antineoplastic) | 9.03 (A) | 2.88 (HA) | 3 × 104 | >1 × 105 | >3.33 | 1.93 |
Inactive drugs | ||||||
Fenbendazole (antihelminthic) | −3.33 (I) | 3 × 104 | >1 × 105 | >3.33 | 3.63 | |
Quinacrine (anthelminthic/antimalarial) | −0.93 (I) | 3 × 104 | >1.16 × 104 | >0.38 | 3.74 | |
Rimandine (antiviral) | −2.69 (I) | 35.6 | >1 × 105 | >3.33 | 3.85 | |
Thiophanote (anthelminthic) | −4.04 (I) | 3 × 104 | >1 × 105 | >3.33 | 1.93 | |
Reference drugs | ||||||
Atovaquone | 9.37 (A) | 3.63 (HA) | 57 | 16.5 × 103 | 289 | 3.67 |
Primaquine | 0.91 (A) | 1.79 (HA) | 75.7 | 12.5 × 103 | 165 | 1.73 |
From discriminant function DF1.
From discriminant function DF2. IC50 exp, experimental IC50; TC50 exp, experimental TC50; log P calc, calculated log P.
Evaluation of antimalarial activity in vitro against the liver stage of P. yoelii yoelii as described previously by Mahmoudi et al. (17, 18).
Assessment in vitro by MTT assay.
Value of log P calculated with the MLR equation.