The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Biological activitySpecific activity =5 x 106 units/mg.
Endotoxin level< 0.100 Eu/µg
% SDS-PAGE. Purity is greater than 95% by SDS-PAGE gel and HPLC analyses.
Endotoxin level is less than 0.1 ng per µg (1EU/µg).
Additional notesReconstituted FGF basic protein is stable for at least 3 months when stored in working aliquots with a carrier protein at -20°C.
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Preparation and Storage
Stability and Storage
Shipped at 4°C. Upon delivery aliquot. Store at -80°C. Avoid freeze / thaw cycle.
This product is an active protein and may elicit a biological response in vivo, handle with caution.
Basic fibroblast growth factor
Basic fibroblast growth factor bFGF
Fibroblast growth factor 2
Fibroblast growth factor 2 (basic)
Fibroblast growth factor, basic
Heparin binding growth factor 2 precursor
Heparin-binding growth factor 2
FunctionPlays an important role in the regulation of cell survival, cell division, angiogenesis, cell differentiation and cell migration. Functions as potent mitogen in vitro. Can induce angiogenesis (PubMed:23469107).
Tissue specificityExpressed in granulosa and cumulus cells. Expressed in hepatocellular carcinoma cells, but not in non-cancerous liver tissue.
Sequence similaritiesBelongs to the heparin-binding growth factors family.
Post-translational modificationsPhosphorylation at Tyr-215 regulates FGF2 unconventional secretion. Several N-termini starting at positions 94, 125, 126, 132, 143 and 162 have been identified by direct sequencing.
Cellular localizationSecreted. Nucleus. Exported from cells by an endoplasmic reticulum (ER)/Golgi-independent mechanism. Unconventional secretion of FGF2 occurs by direct translocation across the plasma membrane. Binding of exogenous FGF2 to FGFR facilitates endocytosis followed by translocation of FGF2 across endosomal membrane into the cytosol. Nuclear import from the cytosol requires the classical nuclear import machinery, involving proteins KPNA1 and KPNB1, as well as CEP57.