| ELM cells | |
| Growth factor receptors | |
| Expressed | SCF, IGF-1, IL-6, EPO, insulin, IL-3/GM-CSF/IL-5 (α + β) chain |
| Not expressed | PDGF (α + β) chain, CSF-1, IGF-2 |
| MS5 stroma cells | |
| Growth factors | |
| Expressed | IL-6, CSF-1, IGF-1, SCF |
| Not expressed | GM-CSF, IL-3, IGF-2 |
| ELM cells | |
| Growth factor receptors | |
| Expressed | SCF, IGF-1, IL-6, EPO, insulin, IL-3/GM-CSF/IL-5 (α + β) chain |
| Not expressed | PDGF (α + β) chain, CSF-1, IGF-2 |
| MS5 stroma cells | |
| Growth factors | |
| Expressed | IL-6, CSF-1, IGF-1, SCF |
| Not expressed | GM-CSF, IL-3, IGF-2 |