Table 1.

Summary of all highly purified HSC clones tested and average HSC expansion in vitro achieved in response to forced expression of NUP98-HOXA10hd

Phenotype tested	CD45+lin−Rho−SP	E-SLAM
No. of NUP98-HOXA10hd HSC clones tested	28	17
No. of expanded HSC clones	25	15
Minimum cell dose (fraction of culture) transplanted	1/500 or 1/1000, or 1/2000 or 1/5000	1/500 or 1/1000
Average minimum HSC expansion in vitro estimated (LD not reached)	> 806-fold	> 942-fold
Range based on ± SEM	381 ± 1730	425 ± 2110
Average HSC expansion in vitro documented (LD reached)	2520-fold
Range based on ± SEM	1140 ± 5720

LD indicates limiting dilution.