Recombinant Rat TNF (E. coli)

Cat. No.
Z300065
Unit
Price
$89.00
Cat. No. Z300065
Name Recombinant Rat TNF (E. coli)
Description TNF is secreted by macrophages, monocytes, neutrophils, T cells, natural killer cells following their stimulation by bacterial lipopolysaccharides. Cells expressing CD4 secrete TNF-alpha while CD8(+) cells secrete little or no TNF-alpha. Stimulated peripheral neutrophilic granulocytes but also unstimulated cells and also a number of transformed cell lines, astrocytes, microglial cells, smooth muscle cells, and fibroblasts also secrete TNF. Human milk also contains this factor. The synthesis of TNF-alpha is induced by many different stimuli including interferons, IL-2, GM-CSF, SP, Bradykinin, Immune complexes, inhibitors of cyclooxygenase and PAF (platelet activating factor). Human TNF-alpha is a non-glycosylated protein of 17 kDa and a length of 157 amino acids. Murine TNF-alpha is N-glycosylated. Homology with TNF-beta is approximately 30%. TNF-alpha forms dimers and trimers.
Organism Rat (R. norvegicus)
Unit quantity 20 µg
Family TNF Super-family
Aliases TNF-alpha, Cachectin, Tumor necrosis factor ligand superfamily member 2, TNF-a, Tnfa, Tnfsf2, Tumor necrosis factor
Recombinant Rat Tumor Necrosis Factor Alpha (TNF)
Gene Symbol TNF
Gene ID 24835
Accession Number P16599
Source E. coli
Species Rat (R. norvegicus)
Appearance Lyophilized Powder
Molecular Weight 17 kDa
Endotoxin Level <1.0 EU/µg of recombinant protein as determined by the LAL method
Purity >95% as determined by SDS-PAGE
Formulation Lyophilized from a 0.2 μm filtered PBS solution (pH 7.0)
Function The ED50 as determined by the dose-dependent stimulation of the proliferation of monkey 4MBr-5 cells was found to be in the range of 20-40 ng/mL
Reconstitution A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers
Storage The lyophilized protein is stable for at least one year from date of receipt at -70°C. Upon reconstitution, this cytokine can be stored in working aliquots at 2° - 8°C for one month, or at -20°C for six months, with a carrier protein without detectable loss of activity. Avoid repeated freeze/thaw cycles.
Usage For research use only. Not for diagnostic or therapeutic use.
Material Citation If use of this material results in a scientific publication, please cite the material in the following manner: Applied Biological Materials Inc, Cat. No. Z300065
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