Table 2 In vitro anti-CHIKV activity of MADTP molecules against WT and resistant CHIKV variants.

From: The viral capping enzyme nsP1: a novel target for the inhibition of chikungunya virus infection

EC50 (μM)

Resistance selection

Reverse genetics

WT 899

MADTP-314res variant 3

WT LS3

LS3-P34S

MADTP-314

26 ± 11

283 ± 45

40 ± 5.0

>500

MADTP-372

2.6 ± 1.0

255 ± 16

4.9 ± 0.6

>50

MADTP-393

18 ± 6.4

193 ± 14

15 ± 0.8

>50

Chloroquine

18 ± 11

20 ± 4.7

n.d.

n.d.

T-705

20 ± 2.7

34 ± 5.7

n.d.

n.d.

  1. n.d.: not determined.
  2. Data shown are average values ± SD of at least two independent experiments.