Table 1.

CD69 and CD25 Expression on CD4+ T Lymphocytes at Days 3 and 7^*

Day 3
		TCPS	PEU	SR	PET
CD69	Experimental	0%	0%	0%	0%
	PHA Control	17% ± 4	18% ± 5	19% ± 4	16% ± 3
CD25	Experimental	2% ± 1	3% ± 2	3% ± 1	3% ± 1
	PHA Control	66% ± 6	71% ± 8	68% ± 5	70% ± 8

Day 7
		TCPS	PEU	SR	PET
CD69	Experimental	0%	0%	0%	0%
	PHA Control	15% ± 6	17% ± 3	12% ± 2	15% ± 1
CD25	Experimental	3% ± 1	3% ± 2	4% ± 1	3% ± 1
	PHA Control	50% ± 5	48% ± 4	49% ± 6	49% ± 2

^*Data represent average ± standard deviation (n=3).