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Human Sclerostin / SOST Protein (His Tag)

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Human SOST Protein Product Information
Synonym:Sclerosteosis, SOST, VBCH
Protein Construction:A DNA sequence encoding the mature form of human SOST (NP_079513.1) (Gln 24-Tyr 213) was fused with a polyhistidine tag at the N-terminus.
Species:Human
Expressed Host:Human Cells
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human SOST Protein QC Testing
Purity:> 90 % as determined by SDS-PAGE
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:N-His
Molecule Mass:The recombinant human SOST is a monomeric protein consisting of 197 amino acids and predicts a molecular mass of 22.5 kDa. As a result of glycosylation, the apparent molecular mass of rhSOST is approximately 28 kDa in SDS-PAGE under reducing conditions..
Formulation:Lyophilized from sterile PBS, pH 7.2
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human SOST Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Other SOST Recombinant Protein Products
10593-H07H
Sclerostin/SOST Background

Sclerostin, the protein product of the SOST gene, is a potent inhibitor of bone formation. Sclerostin protein is widely expressed at low levels with highest levels in bone, cartilage, kidney, liver, bone marrow and primary osteeoblasts differentiated for 21 days, and was originally identified as an important regulator of bone remodeling, homeostasis, and links bone resorption and bone apposition. Recent studies have revealed that Sclerostin protein inhibits the bone growth probably by binding to the extracellular domain of the Wnt coreceptors LRP5 and LRP6 and disrupting Wnt-induced Frizzled-LRP complex formation.

Human Sclerostin/SOST References
  • Bellido T. (2006) Downregulation of SOST/sclerostin by PTH: a novel mechanism of hormonal control of bone formation mediated by osteocytes. J Musculoskelet Neuronal Interact. 6(4): 358-9.
  • van Bezooijen RL, et al. (2007) SOST expression is restricted to the great arteries during embryonic and neonatal cardiovascular development. Dev Dyn. 236(2): 606-12.
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    Catalog: 10593-H07H-20
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    Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"