Recombinant Human VEGF 165 Protein
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Overview
Recombinant human vascular endothelial growth factor 165 (VEGF165/ VEGF-165/ VEGF165) protein is widely used in culturing primary endothelial cells, such as human umbilical vein endothelial cells (HUVEC).
VEGF 165 is commonly used with human-induced pluripotent stem cells or embryonic stem cells-derived endothelial cells for developing human vascular tissue models. It has many applications including its use in neural research involving oligodendrocyte precursor cells, Schwann cells, astrocytes, and microglia. It plays a role in bone formation, regulates mesenchymal stem cell differentiation, and serves as a survival factor for chondrocytes, hematopoietic stem cells, and tumor 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 VEGF 165 (Uniprot: P15692)
- 38.3 kDa (dimer), 19 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 acetonitrile, TFA
- 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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- Angiogenic cell research
- Endothelial cell differentiation
- iPSC-derived mesoderm differentiation
- Vasculature in organoids
- Neural stem cell research
- Mesenchymal stem cell research
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).