Table 2.
Ligands for HER family receptors.
| HER receptor | Ligands |
|---|---|
| HER1 | Amphiregulin, Epidermal Growth Factor (EGF), Epigen, Epiregulin, β-Cellulin, Heparin-Binding EGF-like Growth Factor (HBEGF) and Transforming Growth Factor – α |
| HER3 | Neuregulin1 and Neuregulin2 |
| HER4 | Neuregulin1, Neureulin2, Neuregulin3, Neuregulin4, β-Cellulin, Heparin-Binding EGF-like Growth Factor (HBEGF) and Epiregulin |