Table 1.

Total fetal liver hematopoietic progenitors

Genotype	CFU-MIX, × 105	BFU-E, × 103	CFU-E, × 105	CFU-GM, × 105	CFU-MEG, × 103
WT	1.23 ± 0.003	47 ± 0.27	4.0 ± 0.005	2.5 ± 0.002	6.1 ± 0.03
p85β+/-	1.37 ± 0.002	41 ± 0.18	4.2 ± 0.003	3.0 ± 0.005	6.8 ± 0.05
p85α-/-	0.6 ± 0.005	20 ± 0.1*	3.0 ± 0.001*	1.5 ± 0.001*	3.66 ± 0.06*
p85α-/-; p85β+/-	0.1 ± 0.001*†	2.8 ± 0.15*†	1.1 ± 0.001*†	0.21 ± 0.001*†	0.7 ± 0.04*†

Data are presented as the mean plus or minus the standard error of the mean.

^*P < .02 compared with WT

^†P < .05 compared with p85α^-/-