The function of ENSG00000124882 (EREG, epiregulin) is as follows. Ligand of the EGF receptor/EGFR and ERBB4. Stimulates EGFR and ERBB4 tyrosine phosphorylation (PubMed:9419975). Contributes to inflammation, wound healing, tissue repair, and oocyte maturation by regulating angiogenesis and vascular remodeling and by stimulating cell proliferation (PubMed:24631357). {ECO:0000269|PubMed:9419975, ECO:0000303|PubMed:24631357}.