Table 1.

Division index of activated CD4⁺ cell from WT or DUSP4^−/− mice

	Day 2 Div. indexa)		Day 3 Div. index		Day 4 Div. index
	wt	DUSP4−/−	wt	DUSP4−/−	wt	DUSP4−/−
Group 1	0.14	0.28	0.81	0.97	2.07	1.82
Group 2	0.22	0.41	1.29	1.72	2.73	2.70
Group 3	0.38	0.65	2.06	2.31	3.35	3.14
Group 4	0.29	0.51	0.79	0.98	0.93	0.94
Group 5	0.28	0.53	0.81	1.04	1.12	1.17
Group 6	0.06	0.08	0.40	0.75	0.98	1.26
Group 7	0.04	0.09	0.40	0.75	0.89	1.04
Mean	0.20	0.36	0.94	1.22	1.72	1.72
SE	0.05	0.08	0.22	0.22	0.38	0.33
p valueb)	0.0046		0.0003		1.0000

^a)Div. index (division index) was calculated by FlowJo software based on CFSE dye-dilution pattern.

^b)Obtained by paired two-tailed t-test.