Fetal Liver Erythroid Colony Formation and Induction of Epo Independence in Cell Lines by Native and Chimeric gp55 Proteins
| Assay . | gp55 Chimeras . | |||
|---|---|---|---|---|
| gp55-P . | gp55-A . | gp55-APA . | gp55-AAP . | |
| CFU-E colony formation | + | + | + | + |
| BFU-E colony formation | + | − | − | + |
| Epo independence of Ba/F3 EpoR and HCD 57 cells | + | − | − | + |
| Assay . | gp55 Chimeras . | |||
|---|---|---|---|---|
| gp55-P . | gp55-A . | gp55-APA . | gp55-AAP . | |
| CFU-E colony formation | + | + | + | + |
| BFU-E colony formation | + | − | − | + |
| Epo independence of Ba/F3 EpoR and HCD 57 cells | + | − | − | + |