Recombinant Human Shh Protein
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Overview
Sonic hedgehog protein (Shh) is a member of the Hedgehog family with an essential role in embryonic development, tissue regeneration, and tumorigenesis. Shh induces the cell fate and patterning of neural progenitors in ventral domains at various levels in the forebrain, midbrain, hindbrain, and spinal cord. It has many applications in the neural stem cell field where it plays a significant role in differentiating human-induced pluripotent stem cells (iPSC) towards motor neurons and interneurons. Also, it induces the patterning of organoids and embryos in culture.
Recombinant Shh protein has a molecular weight of 19.8 kDa. This protein is animal origin-free (AOF), carrier protein-free, and tag-free to ensure its purity with exceptional lot-to-lot consistency. Sonic hedgehog protein is suitable for the culture of reproducible and high-quality neurons and organoids.
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 sonic hedgehog protein (Uniprot: Q15465)
- 19.8 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 PBS, 5% Sucrose
- 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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- Neural stem cell proliferation and neuronal differentiation
- Differentiation of midbrain dopaminergic neurons
- Midbrain differentiation
- Corpus organoid generation
- Cholinergic-like neurons (ChLNs) differentiation
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).