Table 6.

Percentage of apoptotic J774A.1 and U937 macrophage cells following infection with serovar Typhimurium or Typhi

MacrophageTime (h) after infection% of apoptotic cellsa infected with:
LT2Ty2No bacteria (control)
J774A.120.8 ± 0.30.4 ± 0.20.0
2410.9 ± 2.14.2 ± 2.60.0
U93721.2 ± 0.32.0 ± 0.31.6 ± 0.4
2414.9 ± 1.76.4 ± 0.92.1 ± 0.3
  • a Mean percentage of apoptotic macrophage cells ± standard deviation based on at least 250 cells done at least two times.