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You are here:Home » Growth Factors, Cytokines » Growth Factors-TNF » TNF-alpha, Recombinant, Mouse (Tumor Necrosis Factor, Cachectin, Tnf, Tumor Necrosis Factor Ligand Superfamily Member 2, TNF-a, Tnfa, Tnfsf2)

TNF-alpha, Recombinant, Mouse (Tumor Necrosis Factor, Cachectin, Tnf, Tumor Necrosis
Factor Ligand Superfamily Member 2, TNF-a, Tnfa, Tnfsf2)

Pricing

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Specifications

Tumor Necrosis Factor-alpha (TNF-a) is a potent lymphoid factor that exerts cytotoxic effects on a wide range of tumor cells and certain other target cells.
Catalog #169760
SourceRecombinant protein corresponding to 156aa from mouse TNF-alpha expressed in E. coli.
Molecular Weight~17.5kD
Biological ActivityThe ED50 as determined by the cytolysis of murine L929 cells in the presence of actinomycin D is <0.1ng/ml, corresponding to a specific activity of >1x10e7units/mg.
Endotoxin Level<0.1ng/ug
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile buffer or dH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months 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~17.5kD
SourceE. coli
Purity~98% (HPLC, SDS-PAGE)
Concentration~0.1-1mg/ml after reconstitution
FormSupplied as a lyophilized powder from 5mM Tris, pH 8.0. 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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