Table 1. Characterization of expanded mononuclear cells from rat umbilical cord blood.

	0 DIV	10 DIV	proliferation (times)
Total cell number(per litter) (x 106 cells)	0.72 ± 0.18a(n = 6)	10.7 ± 1.5a(n = 5)	16.4 ± 2.4
CFU-GM assay (%)(% of colony-forming cells)	0.90 ± 0.12b(n = 5)	20.2 ± 1.04b(n = 4)	22.7 ± 4.9
Total colony-forming cells(per litter) (x 104 cells)	0.77 ± 0.21(n = 5)	234 ± 40.4(n = 4)	433 ± 87.3
CD133+/DAPI (%)	54.7 ± 10.8c(n = 4)	77.0 ± 8.1c(n = 4)
CD34+/DAPI (%)	16.4 ± 4.5d(n = 4)	3.8 ± 0.3d(n = 4)

Data are expressed as means ± SEM. ^a,bp < 0.001, ^cNot significant, ^dp < 0.05.