Density gradient centrifugation vs adherence for rat intestinal mesenchymal stem cell isolation

Table 2 CCK-8 assay results of passage 4 cells from the two groups (OD450, mean ± SEM, n = 5)

Culture time	Group A	Group B	P values
Day 0	0.105 ± 0.006	0.102 ± 0.005	> 0.05
Day 1	0.152 ± 0.008	0.148 ± 0.007	> 0.05
Day 2	0.213 ± 0.012	0.221 ± 0.010	> 0.05
Day 3	0.345 ± 0.018	0.412 ± 0.015	< 0.05
Day 4	0.521 ± 0.025	0.678 ± 0.022	< 0.01
Day 5	0.734 ± 0.032	0.998 ± 0.028	< 0.01
Day 6	0.892 ± 0.035	1.356 ± 0.031	< 0.001