Table 3. CD4+ cells, CD8+ cells, proliferation, and apoptosis in draining lymph nodes four weeks after immunization of WT and IFN-γ−/− micea

WT MiceIFN-γ−/− Mice
a Results are expressed in % of live cells, as the mean ± SEM.
b P = 0.038 versus WT (t test).
CD4+ cells20.8 ± 1.625.1 ± 0.8b
CD8+ cells21.0 ± 1.421.0 ± 0.7
CD4+/BrdU+ cells1.16 ± 0.061.53 ± 0.14b
CD8+/BrdU+ cells0.43 ± 0.080.51 ± 0.16
Apoptotic cells9.5 ± 0.710.2 ± 0.7