Table 1.
ERBB family receptors and ligands
| Receptor | Ligand |
|---|---|
| ERBB1/HER1/EGFR | EGF |
| TGF-α | |
| Amphiregulin | |
| Betacellulin | |
| Epiregulin | |
| ERBB2/HER2 | No ligand |
| ERBB3/HER3 | Neuregulin 1, 2 |
| ERBB4/HER 4 | Betacellulin |
| Heparin-binding EGF | |
| Epiregulin | |
| Neuregulin 1-4 |
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