ActoFactor™ Recombinant Human Tumor necrosis factor (ligand) superfamily, member 15 (22 kDa)

CSC-CTK0425

TL-1A belongs to the TNF superfamily of ligands. It is expressed predominantly in endothelial cells, and to a lesser extent in placenta, lung, kidney, skeletal muscle, pancreas, small intestine and colon. TL-1A inhibits endothelial cell proliferation and angiogenesis, and has been shown to induce NFkB activation, caspase activity, and apoptosis in responding cell lines. TL-1A interacts with TNFRSF25/DR3 receptor, but can also bind to a decoy receptor TNFRSF21/DR6. Recombinant human TL-1A is a 22.0 kDa polypeptide of 194 amino acid residues.

Human

Human TNFSF15 expressed in E.coli

22.0 kDa

CAT# CSC-CTK0425-20 (20 μg); CAT# CSC-CTK0425-100 (100 μg)

E.coli

Greater than 98% as determined by SDS-PAGE and HPLC analysis.

Determined by its ability to stimulate IFN-γ production by human PBMC using a concentration range of 10.0-100.0 ng/ml. Note: Results may vary with PBMC donors.

Less than 1 EU/μg.

Lyophilized from a sterile-filtered solution with no additives.

Please centrifuge product before opening vial. The lyophilized protein should be reconstituted with distilled, sterile water to a concentration of 0.1-1.0 mg/ml. For further dilution, carrier protein (0.1% BSA or HSA) should be added to avoid loss of bioactivity.

The lyophilized protein, though stable at room temperature for up to 3 weeks, is best stored desiccated at -20°C. Reconstituted protein should be used immediately or stored long-term in undiluted working aliquots at -20°C. For long-term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze-thaw cycles.

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