ActoFactor™ Recombinant Human Tumor necrosis factor receptor superfamily, member 14

CSC-CTK0605

HVEM belongs to the TNF Receptor superfamily of transmembrane proteins and plays a role in the activation of T-cells and other lymphocytes. It is expressed in various cells and tissues including spleen, thymus, lung, macrophages, and T-cells. HVEM activation induces a signaling cascade which results in induction of transcription factors NF-kappaB and AP-1. LIGHT (TNFSF14) and TNF-beta (TNFSF1) function as the ligands for HVEM, which can also bind specifically to herpes simplex virus glycoprotein D. Soluble HVEM can act as a "receptor decoy" resulting in inhibition of the activity of the HVEM ligands, LIGHT and TNF-beta. Recombinant human HVEM-Fc Chimera is a 376 amino acid fusion protein containing an N-terminal domain corresponding to the extracellular region of HVEM and a C-terminal domain corresponding to residues 102 to 330 of human IgG1.

Human

Human TNFRSF14 expressed in Insect cells

N/A

CAT# CSC-CTK0605-100 (100 μg); CAT# CSC-CTK0605-500 (500 μg)

Insect cells

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

Determined by its ability to neutralize 0.25 ng/ml of hTNFβ induced cytotoxicity on murine L929 cells. The expected ED50 for this effect is 1.3-1.9 μg/ml of HVEM-Fc.

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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