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You are here:Home » Molecular Biology » Growth Factors-SDF » Stromal Cell Derived Factor 1 alpha, Recombinant, Mouse (SDF1a)

Stromal Cell Derived Factor 1 alpha, Recombinant, Mouse (SDF1a)

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Specifications

Catalog #S7975-51B
SourceRecombinant corresponding to 68aa from mouse Stromal Cell Derived Factor 1 alpha expressed in E. coli.
Molecular Weight~7.9kD
Biological ActivityDetermined measuring dose-dependent chemotaxis with human peripheral blood monocytes. A concentration range of 50-100ng/ml produced significant chemotaxis. SDF-1 is a CXC chemokine that binds to the chemokine receptor CXCR4. SDF-1 is widely expressed by cells of most tissues, including bone marrow stromal cells. SDF-1 is a chemoattractant for mononuclear cells and CD34+ hematopoietic progenitor cells.
Endotoxin ~0.1ng/ug
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight~7.9kD
Purity~99% (SDS-PAGE, HPLC)
ConcentrationNot determined
FormSupplied as a lyophilized powder in 10 mM acetic acid, carrier free. Reconstitute with sterile dH2O to 0.1-1mg/ml.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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