Table 3.

Percentages of the induced CD4⁺CD25⁺ T cells by IFN-γ with concentrations in healthy donors (mean ± SD, n = 19)

IFN-γ (ng/ml)	0	20	40	80
CD4+CD25+ (%)	32.8 ± 3.2**	55.2 ± 3.7*	54.1 ± 4.1*	42.8 ± 2.9*,**

*P < 0.05 vs. 0 ng/mL IFN-γ induced CD4⁺CD25⁺ (%). **P < 0.05 vs. 20 ng/mL IFN-γ induced CD4⁺CD25⁺ (%)