Description
Ligand for members of the frizzled family of seven transmembrane receptors. Functions in the canonical Wnt/beta-catenin signaling pathway (PubMed: 19686689). Functions as upstream regulator of FGF10 expression (PubMed: 19686689). Plays an important role in embryonic lung development (PubMed: 19686689). May contribute to embryonic brain development by regulating the proliferation of dopaminergic precursors and neurons (PubMed: 20018874)