Acts as a ligand for FGFR1, FGFR2, FGFR3 and FGFR4 (By similarity).
Also acts as an integrin ligand which is required for FGF2 signaling (By similarity).
Binds to integrin ITGAV:ITGB3 (By similarity).
Plays an important role in the regulation of cell survival, cell division, cell differentiation and cell migration (By similarity).
Functions as a potent mitogen in vitro (By similarity).
Can induce angiogenesis (By similarity).
Mediates phosphorylation of ERK1/2 and thereby promotes retinal lens fiber differentiation (By similarity).
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