Recombinant Human HGF NK1 Protein
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Overview
Hepatocyte growth factor (HGF) is a multi-functional cytokine that promotes the growth and proliferation of various cell types including mesenchymal, endothelial, and epithelial cells. It is involved in embryonic development, cell motility, survival, angiogenesis, and tissue regeneration. In cell culture, HGF is used to promote the differentiation of mesenchymal cells towards hepatocytes, osteocytes, and endothelial cells.
Recombinant human HGF NK1 protein is a potent naturally occurring isoform of HGF. This protein is animal origin-free, carrier protein-free, and tag-free to ensure its purity with exceptional lot-to-lot consistency with a molecular weight of 20 kDa. It promotes efficient differentiation of human induced pluripotent stem cells to hepatocyte-like cells at just 10 ng/ml with highly homogeneous expression of the hepatic marker, HNF4α.
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 HGF NK1 protein (Uniprot: P14210)
- 20 kDa
- >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 acetonitrile, TFA
- Resuspend in 10 mM HCl (Reconstitution solution A) 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
- Differentiation of iPSCs to hepatocyte-like cells
- Chemically defined media for organoid culture
- Airway, mammary, liver hepatocyte, and urothelium organoids
RoosterBio is a distributor of Qkine growth factors and cytokines within the United 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).