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  4. TNF Superfamily Ligands LIGHT/CD258 LIGHT/CD258
  5. LIGHT/CD258
  6. LIGHT/TNFSF14 Protein, Mouse (sf9, His, solution)

LIGHT/TNFSF14 Protein, Mouse (sf9, His, solution)

Cat. No.: HY-P73837A
COA Handling Instructions

LIGHT/TNFSF14 protein (CD258; TNFRSF14) is a type II transmembrane protein produced by activated T cells. It is a TNFRSF14/HVEM ligand and belongs to the tumor necrosis factor (TNF) family. LIGHT/TNFSF14 is mainly expressed in spleen, with two subtypes: membrane-bound type and soluble type . LIGHT/TNFSF14 protein can be used as immune checkpoint molecule of tumor, and stimulate natural killer cells to produce interferon TFNγ, triggering tumor apoptosis signal . LIGHT/TNFSF14 is also involved in the dominant LTβR-NIK-p52 NF-κB pathway promoting the expression of inflammatory gene. In addition, LIGHT/TNFSF14 protein is a co-stimulatory factor that activates lymphoid cells and has an inhibitory effect on herpes virus infection. Mouse LIGHT/TNFSF14 Protein has 239 amino acids and a transmembrane domain (38-58 a.a.). LIGHT/TNFSF14 Protein, Mouse (sf9, His, solution) is the extracellular part (D72-V239) of mouse LIGHT/TNFSF14 Protein in solution form, produced by Sf9 insect cells, with N-terminal His-tag.

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2 μg $35 In-stock
5 μg $76 In-stock
10 μg $130 In-stock
20 μg $229 In-stock
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Description

LIGHT/TNFSF14 protein (CD258; TNFRSF14) is a type II transmembrane protein produced by activated T cells. It is a TNFRSF14/HVEM ligand and belongs to the tumor necrosis factor (TNF) family. LIGHT/TNFSF14 is mainly expressed in spleen, with two subtypes: membrane-bound type and soluble type [1]. LIGHT/TNFSF14 protein can be used as immune checkpoint molecule of tumor, and stimulate natural killer cells to produce interferon TFNγ, triggering tumor apoptosis signal [2]. LIGHT/TNFSF14 is also involved in the dominant LTβR-NIK-p52 NF-κB pathway promoting the expression of inflammatory gene[3]. In addition, LIGHT/TNFSF14 protein is a co-stimulatory factor that activates lymphoid cells and has an inhibitory effect on herpes virus infection[4]. Mouse LIGHT/TNFSF14 Protein has 239 amino acids and a transmembrane domain (38-58 a.a.). LIGHT/TNFSF14 Protein, Mouse (sf9, His, solution) is the extracellular part (D72-V239) of mouse LIGHT/TNFSF14 Protein in solution form, produced by Sf9 insect cells, with N-terminal His-tag.

Background

LIGHT/TNFSF14 is a type II transmembrane protein produced by activated T cells, belongs to tumor necrosis factor (TNF) family. LIGHT/TNFSF14 is a TNFRSF14/HVEM (herpesvirus entry mediator) ligand, engages the receptor for the LTalphabeta heterotrimer but does not form complexes with either secreted lymphotoxin alpha (LTalpha) or LTbeta[1].
LIGHT/TNFSF14 is predominantly expressed in the spleen but also found in the brain. It is weakly expressed in peripheral lymphoid tissues and in heart, placenta, liver, lung, appendix, and kidney, and no expression seen in fetal tissues, endocrine glands, or nonhematopoietic tumor lines[1].
LIGHT/TNFSF14 has a transmemberane, thus it can be leaved into 2 chains: membrane form and soluble form. The soluble form of isoform 1 derives from the membrane form by proteolytic processing.
In tumor immunology, TNFSF14/LIGHT also serves as a novel immune checkpoint molecule for glioblastoma multiforme (GBM), as well as lung carcinoma, breast carcinoma, cervical cancer, and prostate cancer. TNFSF14/LIGHT can stimulate NK cells to produce IFNγ via nuclear factor-κB (NFκB) RelA/p50 signaling. TNFSF14/LIGHT sustains the function of CD8+ effector T cells, trigger apoptosis of various tumor cells[2].
In cell signaling, TNFSF14/LIGHT binds to lymphotoxin-β receptor (LTβR) and HVEM for activating both of them, and disrupts the HVEM-BTLA complex in surface-bound form, and facilitates HVEM-BTLA complex formation in the soluble form[2].
TNFSF14/LIGHT promotes an inflammatory esophageal fibroblast in vitro via a LTβR-NIK-p52 NF-κB dominant pathway with promoting inflammatory gene expression and down-regulating homeostatic factors including WNTs, BMPs and type 3 semaphorins[3].
Beside that, TNFSF14/LIGHT protein is a costimulatory factor for the activation of lymphoid cells and as a deterrent to infection by herpesvirus. TNFSF14/LIGHT also prevents tumor necrosis factor alpha mediated apoptosis in primary hepatocyte[4][5].

In Vitro

LIGHT/TNFSF14 is homologous to lymphotoxins, exhibits inducible expression, and competes with HSV glycoprotein D for herpes virus entry mediator (HVEM), a receptor expressed by T lymphocytes[8].
LIGHT/TNFSF14 transgenic expression on T cells in mice promotes inflammation in multiple organs, including intestine[8].
LIGHT/TNFSF14-/- mice also shows increased accumulation of innate immune cells and higher levels of cytokines than colons from control mice, indicating a function for inflammation regulation in the colon[8].

In Vivo

LIGHT/TNFSF14 (mouse; 20 μg/mL; 48 h) promotes insulin signalling in L6 skeletal muscle myotubes as indicated by increased expression of phospho-AKT[6].
LIGHT/TNFSF14 (mouse; 100 ng/mL; 24 h) reduces palmitate-induced insulin resistance and promotes insulin secretion in vitro[7].

Biological Activity

Measured in a cytotoxicity assay using HT 29 human colon adenocarcinoma cells. The ED50 for this effect is 2.866 µg/mL in the presence of a cross-linking antibody, Mouse Anti-polyHistidine Monoclonal Antibody and recombinant human IFN-gamma.

Species

Mouse

Source

Sf9 insect cells

Tag

N-His

Accession

Q9QYH9 (D72-V239)

Gene ID
Molecular Construction
N-term
His
LIGHT (D72-V239)
Accession # Q9QYH9
C-term
Synonyms
Tumor necrosis factor ligand superfamily member 14; TNFSF14; HVEM-L; LIGHT  
Molecular Weight

Approximately 20.5 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Appearance

Solution.

Formulation

Supplied as a 0.2 μm filtered solution of 20 mM Tris, pH 8.0, 500 mM NaCl, 10 % gly.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

N/A.

Storage & Stability

Stored at -80°C for 1 year. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

Documentation
References

LIGHT/TNFSF14 Protein, Mouse (sf9, His, solution) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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LIGHT/TNFSF14 Protein, Mouse (sf9, His, solution)
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HY-P73837A
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