Recombinant Human FGF-18 (Catalog # 8988-F18) induces cell proliferation of the Baf3mouse pro-B cells transfected with human FGF RIIIc. The ED50for this effect is 4-24 ng/mL.
>95%, 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
21 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.
SDS-PAGE
19-24 kDa, reducing conditions
Publications
Read Publications using 8988-F18 in the following applications:
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 Trehalose.
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 500 μg/mL in water.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Human FGF-18 Protein, CF
FGF18
FGF-18
FGF-18ZFGF5
fibroblast growth factor 18
zFGF5
Background
Fibroblast Growth Factor 18 (FGF-18) is a 20 kDa protein that plays an important role in skeletal development and bone homeostasis (1). Mature human FGF-18 shares 99% amino acid sequence identity with mouse and rat FGF-18 (2). It is expressed in embryonic somites and the neural fold (3), adult lung (2), cerebellar and hippocampal neurons (4), hair follicle root sheath cells (5), and osteogenic mesenchymal cells (6). FGF-18 binds to FGF R2c, FGF R3c (4, 7) as well as the Golgi protein GLG1 (8) and induces the proliferation of astrocytes and microglia, vascular endothelial cells, dermal fibroblasts, papilla cells, and keratinocytes (4, 5, 9). FGF-18 is required for normal skeletal development (6). It recruits osteoclasts and osteoblasts to the growth plate, promotes osteoclast formation and function, inhibits osteoblast differentiation, promotes skeletal vascularization, and induces chondrocyte hypertrophy and cartilage matrix formation (6, 7, 10, 11).
Beenken, A. and M. Mohammadi (2009) Nat. Rev. Drug Discov. 8:235.
Ohbayashi, N. et al. (1998) J. Biol. Chem. 273:18161.
Ohuchi, H. et al. (2000) Mech. Dev. 95:55.
Hoshikawa, M. et al. (2002) Brain Res. Mol. Brain Res. 105:60.
Kawano, M. et al. (2005) J. Invest. Dermatol. 124:877.
Ohbayashi, N. et al. (2002) Genes Dev. 16:870.
Davidson, D. et al. (2005) J. Biol. Chem. 280:20509.
Miyaoka, Y. et al. (2010) Development 137:159.
Hu, M.C. et al. (1998) Mol. Cell. Biol. 18:6063.
Liu, Z. et al. (2007) Dev. Biol. 302:80.
Shimoaka, T. et al. (2002) J. Biol. Chem. 277:7493.
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