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Recombinant Human SDF-1 Protein (E. coli)

Cat. No. M25427
Recombinant Human SDF-1 Protein (E. coli) Structure
Synonym:

Stromal cell-derived factor-1

Size Price Availability Quantity
5ug USD 195  USD195 In stock
50ug USD 700  USD700 In stock
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Quality Control & Documentation
  • Purity: >95%, Endotoxin < 1 EU/μg
  • COA
  • MSDS
Biological Activity

The human stromal cell-derived factor-1 (SDF1), also known as CXCL12, is a small (8 kDa) cytokine highly conserved chemotactic cytokine belonging to the large family of CXC chemokines. SDF-1 binds primarily to CXC receptor 4 (CXCR4; CD184). The binding of CXCL12 to CXCR4 induces intracellular signaling through several divergent pathways initiating signals related to chemotaxis, cell survival and/or proliferation, increase in intracellular calcium, and gene transcription. SDF-1/CXCL12 has crucial roles in the formation of multiple organ systems during embryogenesis and in the regulation of bone marrow haematopoiesis and immune function in the postnatal organism.

Recombinant Human SDF-1 is produced by E.coli expression system and the target gene encoding Lys 22-Met 93 is expressed.

The recombinant human SDF-1 consists of 73 amino acids and predicts a molecular mass of 8.6 kDa. It migrates as an approximately 12 kDa band in SDS-PAGE under reducing conditions.


Accession: P48061

Endotoxin: < 1.0 EU per μg protein as determined by LAL test

Lyophilized from sterile PBS, pH 7.4.

Chemical Information
Solubility (25°C) Reconstitute the lyophilized powder in ddH2O or PBS to 100 μg/ml.
Storage Stable for up to twelve months from date of receipt at -20℃ to -80℃
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Zifu Li, et al. Acta Biochim Biophys Sin (Shanghai). Recombinant human SDF-1α administration accelerates aneurysm neck reendothelialization in rabbit saccular aneurysm after flow diverter treatment

[2] Yin-Ku Liang, et al. Exp Ther Med. Cloning, expression and identification of an isoform of human stromal cell derived factor-1α

[3] Weifeng Ma, et al. Biol Pharm Bull. SDF-1/54-DCN: a novel recombinant chimera with dual inhibitory effects on proliferation and chemotaxis of tumor cells

[4] Yi Tan, et al. Exp Hematol. Cloning and characterizing mutated human stromal cell-derived factor-1 (SDF-1): C-terminal alpha-helix of SDF-1alpha plays a critical role in CXCR4 activation and signaling, but not in CXCR4 binding affinity

[5] W D Holmes, et al. Protein Expr Purif. Solution studies of recombinant human stromal-cell-derived factor-1

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Keywords: Recombinant Human SDF-1 Protein (E. coli), Stromal cell-derived factor-1 supplier, Recombinant Proteins, inhibitors, activators


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