bFGF (also known as fibroblast growth factor-basic, FGF-basic, FGF-β, FGF2, or heparin binding growth factor) is a bioactive protein intended for use in cell culture applications. bFGF is used in studies of angiogenesis, mitogenesis of fibroblasts, neurite outgrowth in PC-12 cells, receptor binding, and tyrosine protein kinase phosphorylation.