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. 2018 Mar 1;9(6):937–945. doi: 10.1039/c7md00642j

Table 2. The IDO inhibitory activity of the hits in enzyme- and cell-based assays.

Enzyme experiment
Cell experiment
Compound IC50 (μM) Concentration (μM) Survival rate (%) Percentage of inhibition (%)
SYSU-00440 1.30 ± 0.28 1 94.72 ± 5.82 54.34 ± 3.17
graphic file with name c7md00642j-u1.jpg
SYSU-00464 4.10 ± 0.32 10 97.13 ± 4.11 20.97 ± 2.97
graphic file with name c7md00642j-u2.jpg
SYSU-00469 4.68 ± 0.08 1 93.00 ± 3.70 66.66 ± 1.18
graphic file with name c7md00642j-u3.jpg
NLG8189 a 696.7 ± 1.5

aNLG8189 was used as the positive control.