Recombinant Mouse FGF basic/FGF2/bFGF Protein

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Recombinant Mouse FGF basic/FGF2/bFGF (Catalog # 3139-FB) stimulates cell proliferation of the NR6R‑3T3 mouse fibroblast cell line. The ED50 for this effect is 0.3-1.8 ng/mL.

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Reactivity MuSpecies Glossary
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Recombinant Mouse FGF basic/FGF2/bFGF Protein Summary

Details of Functionality
Measured in a cell proliferation assay using NR6R‑3T3 mouse fibroblast cells. Raines, E.W. et al. (1985) Methods Enzymol. 109:749. The ED50 for this effect is 0.3-1.8 ng/mL.
Source
E. coli-derived mouse FGF basic/FGF2/bFGF protein
Ala11-Ser154
Accession #
N-terminal Sequence
Ala11
Protein/Peptide Type
Recombinant Proteins
Gene
Fgf2
Purity
>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
16.2 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publications using
3139-FB in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in MOPS, Na2SO4, EDTA and DTT with BSA as a carrier protein.
Purity
>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Mouse FGF basic/FGF2/bFGF Protein

  • basic fibroblast growth factor bFGF
  • Basic fibroblast growth factor
  • bFGF
  • FGF basic
  • FGF2
  • FGF-2
  • FGFBprostatropin
  • fibroblast growth factor 2 (basic)
  • HBGF-2
  • heparin-binding growth factor 2
  • Prostatropin

Background

FGF basic (FGF-2, HBGF-2) is one of at least 22 mitogenic proteins of the FGF family, which show 35-60% amino acid conservation (1-3). Unlike other FGFs, FGF acidic and basic lack signal peptides and are secreted by an alternate pathway. Storage pools within the cell or on cell surface heparan sulfate proteoglycans (HSPG) are likely. The predicted 17 kDa FGF basic isoform can be located in both the cytoplasm and the nucleus and is presumed to be the form secreted (4). Transcription from alternate start sites produces 21-24 kDa forms found only in the nucleus. High and low molecular weight human FGF basic targets the expression of different genes when expressed in NIH-3T3 cells (5). The 17 kDa mouse sequence has 98% aa identity with rat, and 95% identity with human, bovine and sheep FGF basic (6, 7). Autocrine, intracrine and paracrine actions of FGF basic have been identified. Binding of FGF to heparin or cell surface HSPG is necessary for binding, dimerization and activation of tyrosine kinase FGF receptors. FGF basic binds other proteins, polysaccharides and lipids with lower affinity (3). Expression of FGF basic is nearly ubiquitous but disruption of the mouse FGF basic gene gives a relatively mild phenotype, suggesting compensation by other FGF family members. FGF basic modulates such normal processes as angiogenesis, wound healing and tissue repair, embryonic development and differentiation, neuronal function and neural degeneration. Transgenic overexpression of FGF basic results in excessive proliferation and angiogenesis reminiscent of a variety of pathological conditions (1-3).

  1. Coulier, F. et al. (1997) J. Mol. Evol. 44:43.
  2. Fernig, D. et al. (1994) Prog. Growth Factor Res. 5:353.
  3. Presta, M. et al. (2005) Cytokine. Growth Factor Rev. 16:159.
  4. Claus, P. et al. (2003) J. Biol. Chem. 278:479.
  5. Quarto, N. et al. (2005) Gene 356:49.
  6. Tsuneto, M. et al. (2005) Biochem. Biophys. Res. Comm. 335:1239.
  7. Hebert, J. M. et al. (1990) Dev. Biol. 138:454.

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Bioinformatics

Gene Symbol Fgf2
Uniprot