Table 1

Summary of conditions tested during in vitro and in vivo experiments

In vitro studiesIn vivo studies
Cell species (a) Human Human 
(b) Macaque 
Conditions compared (a) Combination of HOXB4 + DL versus HOXB4 alone and DL alone Combination of HOXB4 + DL versus HOXB4 alone and DL alone 
(b) Conditioned media versus coculture 
DL form (a) Conditioned media from DL-expressing OP9 cells 2.5 μg/mL immobilized DL protein 
(b) Coculture on feeder layer of DL-expressing OP9 cells 
Percent CD34 purity after enrichment (a) Human: average purity of 90% (n = 3) Human: average purity of 87% (n = 5) 
(b) Macaque: average purity of 94% (n = 3) 
In vitro studiesIn vivo studies
Cell species (a) Human Human 
(b) Macaque 
Conditions compared (a) Combination of HOXB4 + DL versus HOXB4 alone and DL alone Combination of HOXB4 + DL versus HOXB4 alone and DL alone 
(b) Conditioned media versus coculture 
DL form (a) Conditioned media from DL-expressing OP9 cells 2.5 μg/mL immobilized DL protein 
(b) Coculture on feeder layer of DL-expressing OP9 cells 
Percent CD34 purity after enrichment (a) Human: average purity of 90% (n = 3) Human: average purity of 87% (n = 5) 
(b) Macaque: average purity of 94% (n = 3)