Recombinant Human FGF-18 Protein
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Overview
Fibroblast growth factor 18 (FGF-18), a member of the FGF family, characterized by its heparin-binding properties plays a significant role in regulating diverse biological processes such as embryonic development, skeletal and bone development, cartilage maintenance, angiogenesis and tissue repair. In cell culture, FGF-18 is widely used to support cell culture maintenance and proliferation, promote chondrogenic and osteogenic differentiation of stem cells, stimulate angiogenesis, and enhance tissue regeneration.
FGF-18 is a high purity truncated protein with a molecular weight of 20.2 kDa. This protein is animal origin-free, carrier-free and tag-free to ensure its purity with exceptional lot-to-lot consistency. Qkine fibroblast growth factor 18 is suitable for the culture of reproducible and high-quality stem cells, primary cells and other relevant cells.
Download the Product Data Sheet for species reactivity, reconstitution instructions, bioactivity, purity, and additional product information.
Contact us for Quality and Safety documentation or for information on cell therapy grade growth factors and cytokines.
Product Features
- High purity human protein (Uniprot: O76093)
- 20.2 kDa (monomer)
- >98%, by SDS-PAGE quantitative densitometry
- Expressed in E. coli
- Animal origin-free (AOF) and carrier protein-free
- Manufactured in Qkine’s Cambridge, UK laboratories
- Lyophilized from Tris, NaCl
- Resuspend in sterile-filtered water at >50 µg/ml, add carrier protein if desired, prepare single use aliquots and store frozen at -20 °C (short-term) or -80 °C (long-term).
Featured Applications:
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- Growth and proliferation of chondrocytes, fibroblasts and primary cells
- Expansion of induced pluripotent, embryonic and mesenchymal stem cells
- Directed chondrogenic differentiation of mesenchymal stem cells
- Directed osteogenic differentiation of mesenchymal stem cells
- Stimulation of angiogenesis and vascular network development
- Induction of cell migration, proliferation and extracellular matrix production
RoosterBio is a distributor of Qkine growth factors and cytokines within the Unites States, for regional specific orders please contact us for more information.
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How do I store my proteins?
- Lyophilized store at -20°C or -80°C for up to 2 years
- Reconstituted store at -20 °C or -80 °C
- We recommend that single use aliquots are prepared to avoid freeze-thaw cycles
How do I reconstitute lyophilized protein?
- Check the resuspension solution recommendation on the product datasheet.*
- Centrifuge briefly before reconstituting to ensure all powder is at the bottom of the vial.
- Add sufficient reconstitution solution to give a protein concentration of 0.05–1.0 mg/ml.
- Allow the reconstituted sample to stand at room temperature for >1 minute before gently agitating. Do not vortex and avoid foaming.
- Prepare single-use aliquots whenever possible to avoid freeze-thaw cycles, which can damage the proteins and reduce bioactivity. Store aliquots at -80°C (or -20°C).**
NOTES
*Physiological buffers may cause precipitation of proteins during reconstitution. This is especially important for TGF beta family and other related growth factors, so it is very important that these are reconstituted in Solution A (10 mM HCl, 1:1000 dilution of concentrated HCl).
**All our proteins are supplied carrier protein-free. If compatible with your work and you are storing at lower concentrations (<50 μg/ml), adding carrier protein is highly advised (usually 1% w/v high purity BSA or equivalent – ensure all buffers are sterile-filtered).