Table 1 Inhibition of pathogen-mediated cell damage to human THP-1 cells by F19 and F12.

From: Small-molecule AgrA inhibitors F12 and F19 act as antivirulence agents against Gram-positive pathogens

% Damage (LDH Leakage)

 

(µg/mL)

MRSA USA300

MRSE Q-15

Streptococcus pyogenes AC7

Streptococcus pneumoniae NR13395

Bacillus cereus

Control

0

100.0 ± 1.0

100.0 ± 1.7

100.0 ± 4.0

106.7 ± 5.3

100.0 ± 3.3

F19

1

62.0 ± 0.6

85.5 ± 2.6

—

95.3 ± 1.1

—

5

—

62.6 ± 1.1

97.4 ± 0.7

72.9 ± 1.1

—

10

44.2 ± 2.0

48.1 ± 1.1

88.4 ± 1.9

48.6 ± 1.8

—

20

—

26.5 ± 0.5

73.6 ± 0.5

39.6 ± 0.6

—

30

—

22.1 ± 0.6

56.2 ± 3.4

—

63.7 ± 1.3

40

—

19.6 ± 1.1

38.7 ± 1.8

—

52.0 ± 0.1

50

29.1 ± 1.6

—

—

40.2 ± 0.8

69.7 ± 1.2

0

—

100.0 ± 1.2

   

1

—

85.1 ± 1.0

   

5

—

71.9 ± 3.2

   

10

—

35.4 ± 0.5

   

F12

20

—

24.3 ± 0.5

   

30

—

22.4 ± 0.4

   

40

—

19.2 ± 1.1

   

50

20 ± 3.5

—

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