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CD40L/CD154/TRAP
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
| Primary Accession | P29965 |
|---|---|
| Species | Human |
| Sequence | Met113-Leu261 |
| Purity | > 95% as analyzed by SDS-PAGE > 95% as analyzed by RP-HPLC > 95% as analyzed by Anion-exchange FPLC |
| Endotoxin Level | < 1 EU/ µg of protein by LAL method |
| Biological Activity | Recombinant human CD40 Ligand (CD40L/CD154/TRAP) is fully biologically active when compared to standard. The ED50 as determined by the dose-dependant stimulation of IL-12 & IL-8 induction by PMB (Peripheral Mononuclear) cells was found to be 5.0-10.0 ng/ml, corresponding to a Specific Activity of 1.0 x 105 IU/mg. |
| Expression System | E. coli |
| Theoretical Molecular Weight | 16.3 kDa |
| Formulation | Lyophilized after extensive dialysis against 50 mM Tris-HCl, pH 8.0, 250 mM NaCl buffer. |
| Reconstitution | It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in sterile 18 MΩ-cm H₂O up to 100 µg/ml. |
| Storage & Stability | Upon receiving, this product remains stable for up to 6 months at -70°C or -20°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C. Avoid repeated freeze-thaw cycles. |
| Gene ID | 959 |
|---|---|
| Other Names | CD40 ligand, CD40-L, T-cell antigen Gp39, TNF-related activation protein, TRAP, Tumor necrosis factor ligand superfamily member 5, CD154, CD40 ligand, membrane form, CD40 ligand, soluble form, sCD40L, CD40LG, CD40L, TNFSF5, TRAP |
| Target Background | CD40 Ligand (CD40L/CD154/TRAP) is a membrane glycoprotein and differentiation antigen expressed on the surface of T-cells. The CD40 ligand stimulates B-cell proliferation and secretion of all immunoglobulin isotypes in the presence of cytokines. It also costimulates proliferation of activated T-cell and this is accompanied by the production of IFN-γ, TNF-α, and IL2. CD40 ligand has been shown to induce cytokine production and tumoricidal activity in peripheral blood monocytes. |
| Name | CD40LG |
|---|---|
| Synonyms | CD40L, TNFSF5, TRAP |
| Function | Cytokine that acts as a ligand to CD40/TNFRSF5 (PubMed:1280226, PubMed:31331973). Costimulates T-cell proliferation and cytokine production (PubMed:8617933). Its cross-linking on T-cells generates a costimulatory signal which enhances the production of IL4 and IL10 in conjunction with the TCR/CD3 ligation and CD28 costimulation (PubMed:8617933). Induces the activation of NF-kappa-B (PubMed:15067037, PubMed:31331973). Induces the activation of kinases MAPK8 and PAK2 in T-cells (PubMed:15067037). Induces tyrosine phosphorylation of isoform 3 of CD28 (PubMed:15067037). Mediates B-cell proliferation in the absence of co-stimulus as well as IgE production in the presence of IL4 (By similarity). Involved in immunoglobulin class switching (By similarity). |
| Cellular Location | Cell membrane; Single-pass type II membrane protein. Cell surface |
| Tissue Location | Specifically expressed on activated CD4+ T- lymphocytes |
Research Areas
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Cat# PVGS1012
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