Table 1.

The keys and concentrations of IL-2, IL-7, and IL-15 were used in the experiments.

Condition	Key	IL-2 (ng/mL)	IL-7 (ng/mL)	IL-15 (ng/mL)
1	no cytokines	0	0	0
2	000	10	1.5	10
3	100	33	1.5	10
4	200	60	1.5	10
5	010	10	36	10
6	020	10	80	10
7	001	10	1.5	36
8	002	10	1.5	80
9	110	33	36	10
10	101	33	1.5	36
11	011	10	36	36
12	220	60	80	10
13	202	60	1.5	80
14	022	10	80	80
15	111	33	36	36
16	222	60	80	80