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Table 1 Inhibitory activity against P. falciparum (reported and evaluated ICPf50, 3D7 strain), hepatocarcinoma cells using MTT assay

From: Antiplasmodial profile of selected compounds from Malaria Box: in vitro evaluation, speed of action and drug combination studies

#

Code

Structure

Reported ICPf50 (µM)

ICPf50 (µM) Average (confidence interval-95%)

ICHepG2, MTT50 (µM) Average (confidence interval-95%)

ICHepG2, NR50 (µM) Average (confidence interval-95%)

SIMTT Average (confidence interval- 95%)

SINR Average (confidence interval-95%)

01

MMV006172

0.142

0.074 (0.072–0.076)

3.21 (3.18–3.24)

3.34 (3.28–3.40)

43.4 (42.6–44.2)

45.1 (44.6–45.6)

02

MMV665971

0.489

0.40 (0.39–0.41)

22 (16–28)

22 (18–26)

60 (50–70)

55 (46–64)

03

MMV007224

1.06

0.34 (0.29–0.39)

5.1 (4.5–5.7)

> 6.25

15.1 (14.6–15.6)

> 16

04

MMV666607

0.142

0.44 (0.36–0.52)

> 6.25

> 6.25

> 12

> 12

05

MMV020439

0.512

0.25 (0.16–0.34)

90 (80–100)

> 100

340 (280–400)

> 290

06

MMV665934

1.07

1.2 (0.5–1.9)

> 12.5

> 12.5

> 6.6

> 6.6

07

MMV007574

0.826

1.0 (0.8–1.2)

> 25

> 25

> 21

> 21

08

MMV085203

0.0053

0.0055 (0.005–0.006)

> 50

33 (28–38)

> 8300

6100 (5800–6400)

09

MMV085583

0.237

0.17 (0.14–0.20)

> 12.5

> 12.5

> 63

> 63

10

MMV018984

0.693

0.85 (0.78–0.92)

nd

nd

nd

nd

11

MMV019871

0.345

1.6 (1.5–1.7)

> 50

> 50

> 29

> 29

Artesunate

0.008

0.017 (0.016–0.018)

110 (80–140)

110 (80–140)

7000 (6000–8000)

7000 (6000–8000)

2 + artesunate

 

0.015 (0.014–0.016)

15.70 (15.64–15.74)

13.0 (12.3–13.7)

1030 (940–1120)

850 (820–880)

9 + artesunate

 

0.013 (0.011–0.015)

> 12.5

> 12.5

> 840

> 840

  1. (ICHepG2, MTT50) and neutral red assay (ICHepG2, NR50), and selectivity index (SIMTT and SINR) values of the selected compounds from the Malaria Box. Inhibitory activity, cytotoxicity and selectivity were also evaluated for artesunate and the pairs 2 + artesunate and 9 + artesunate, which showed additive combination profile
  2. Nd, not determined; the compound was not soluble in the assay conditions