Recombinant Human LIGHT/TNFSF14 (Catalog # 664-LI/CF) stimulates cell proliferation in HUVEC human umbilical vein endothelial cells. The ED50 is 1-4 ng/mL.
1 µg/lane of Recombinant Human LIGHT/TNFSF14 (Catalog # 664-LI/CF) was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing a band at 25 kDa.
Recombinant Human LIGHT/TNFSF14 Protein, CF Summary
Details of Functionality
Measured in a cell proliferation assay using HUVEC human umbilical vein endothelial cells. Conn, G. et al. (1990) Proc. Natl. Acad. Sci. USA 87:1323. The ED50 for this effect is 0.3-3 ng/mL.
Source
Mouse myeloma cell line, NS0-derived human LIGHT/TNFSF14 protein
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.
Applications/Dilutions
Dilutions
Bioactivity2
Theoretical MW
20.9 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
25 kDa, reducing conditions
Publications
Read Publications using 664-LI/CF in the following applications:
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Human LIGHT/TNFSF14 Protein, CF
CD258 antigen
CD258
delta transmembrane LIGHT
Herpes virus entry mediator ligand
Herpesvirus entry mediator ligand
HVEM-L
HVEMLherpesvirus entry mediator-ligand
ligand for herpesvirus entry mediator
LIGHT
LIGHTherpesvirus entry mediator A
LTg
TNFSF14
TR2
tumor necrosis factor (ligand) superfamily, member 14
tumor necrosis factor ligand superfamily member 14
tumor necrosis factor receptor-like 2
tumor necrosis factor superfamily member LIGHT
Background
Human LIGHT is a type II membrane protein that is a member of the TNF superfamily. LIGHT is an acronym which stands for "is homologous tolymphotoxins, exhibits inducible expression, and competes with HSV glycoprotein D for HVEM, a receptor expressed by T lymphocytes". LIGHT has also been called HVEM-L and LT-gamma . Under the new TNF nomenclature, it is called TNFSF14. LIGHT is a 240 amino acid (aa) protein that contains a 37 aa cytoplasmic domain, a 22 aa transmembrane region, and a 181 aa extracellular domain. Similar to other TNF ligand family members, LIGHT is predicted to assemble as a homotrimer. LIGHT is produced by activated T cells and was first identified by its ability to compete with HSV glycoprotein D for HVEM binding. LIGHT has also been shown to bind to the lymphotoxin beta receptor (LT beta R) and the decoy receptor (DcR3/TR6). LIGHT overexpression in tumor cells induces apoptosis, which can be enhanced by IFN-gamma . The full roles of LIGHT remain to be elucidated.
Mauri, D.N. et al. (1998) Immunity 8:21.
Zhai, Y. et al. (1998) J. Clin. Invest. 102:1142.
Harrop, J.A. et al. (1998) J. Biol. Chem. 273:27548.
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