Table 2.

 Effects of TNF‐α on endothelial progenitor cell migration

TNF‐α (mg/l)	Migratory cells (number)
	0 h	6 h	12 h	24 h	48 h
Control	12.9 ± 3.0	13.4 ± 3.2	14.1 ± 2.9	13.3 ± 2.6	13.6 ± 2.7
10	13.1 ± 2.7	13.1 ± 2.6	11.8 ± 2.4	9.9 ± 2.3*	9.4 ± 2.3*#
20	12.9 ± 2.5	11.9 ± 3.0	10.1 ± 2.8*	8.8 ± 2.5**#	8.1 ± 2.3**##
50	13.2 ± 2.9	10.1 ± 3.1*	8.0 ± 2.3**##	7.5 ± 2.4**##	5.9 ± 2.6**##
100	12.8 ± 2.8	9.7 ± 3.1*	7.5 ± 3.5**##	5.8 ± 2.5**##	4.6 ± 2.3**##

, n = 6. *P < 0.05, **P < 0.01, compared to control group; ^# P < 0.05, ^## P < 0.01, compared to 0 h group.