Table 2.

The cell phenotype of CIK at different culture time ($\stackrel{-}{x}\pm s$, n = 5).

Phenotype	Day 10 (%)		Day 16 (%)
	OKT-CIK	R-CIK	OKT-CIK	R-CIK
CD3+CD4+	37.95 ± 17.38∗∗	46.01 ± 17.02∗∗	20.90 ± 12.94	20.66 ± 9.16
CD3+CD8+	57.82 ± 25.32	51.20 ± 17.83	77.00 ± 12.11	77.04 ± 15.49
CD3+CD56+	11.14 ± 7.02∗	8.66 ± 5.36∗	22.21 ± 7.85	25.18 ± 3.38
CD3+CD27+	35.62 ± 12.43	39.84 ± 8.33	56.11 ± 27.11	65.42 ± 20.82
CD3+CD28+	85.06 ± 9.25∗	87.49 ± 9.58∗	87.41 ± 15.57	88.93 ± 14.60
CD3+PD-1+	0.09 ± 0.21	0.12 ± 0.12	2.22 ± 0.64	1.70 ± 0.18

^∗ P < 0.05; ^∗∗ P < 0.01 for the comparison.