IndraLab
Statements
sparser
"These include: EGF, TGFα and amphiregulin (AREG), which bind specifically to EGFR; heparin-binding EGF-like growth factor, betacellulin and epiregulin which bind to both EGFR and ErbB4 [ xref ]; and the neuregulins/heregulins (HRGs), which are specific for ErbB3 and ErbB4 [ xref ]."
sparser
"Ligands for HER receptors can be divided into three groups [ xref ]: the first includes EGF, amphiregulin and TGF-α, which bind specifically to HER1; and the second includes heparin-binding EGF, betacellulin and epiregulin, which show dual binding specificity with both HER1 and HER4."