IL-18 BP
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Primary Accession | O95998 |
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Species | Human |
Sequence | Thr31-Gly194 |
Purity | > 95% as analyzed by SDS-PAGE > 95% as analyzed by HPLC |
Endotoxin Level | < 0.2 EU/ µg of protein by gel clotting method |
Biological Activity | ED50 < 30.0 ng /ml, measured in a bioassay using KG-1 cells in the presence of 50.0 ng/ml Human IL-18. |
Expression System | CHO |
Formulation | Lyophilized after extensive dialysis against PBS. |
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 ddH₂O or PBS up to 100 µg/ml. |
Storage & Stability | Upon receiving, this product remains stable for up to 6 months at lower than -70°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Avoid repeated freeze-thaw cycles. |
Gene ID | 10068 |
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Other Names | Interleukin-18-binding protein, IL-18BP, Tadekinig-alfa, IL18BP |
Target Background | Interleukin-18 binding protein, also known as IL-18BP and tadekinig-alfa, is a secreted glycoprotein that contains an Ig-like C2-type domain. It is expressed in heart, lung, placenta and spleen. IL-18BP functions as an inhibitor of the proinflammatory cytokine IL-18. It binds to IL-18, prevents the binding of IL-18 to its receptor, and thus blocks IL-18-induced IFN-gamma production. The complete Ig domain has been shown to mediate the binding and neutralizing properties. IFN-gamma is able to upregulate the expression of IL-18BP, indicating that IL-18 activity is regulated by a feedback mechanism through IL-18BP. |
Name | IL18BP |
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Function | Isoform A binds to IL-18 and inhibits its activity. Functions as an inhibitor of the early TH1 cytokine response. |
Cellular Location | Secreted. |
Tissue Location | Strongly expressed in heart, lung, placenta and spleen. |

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