Reactivity | HuSpecies Glossary |
Applications | ELISA |
Conjugate | HRP |
Background | The Quantikine Human IL-1 sRII Immunoassay is a 3.5 hour solid phase ELISA designed to measure IL-1 sRII in serum, plasma, and cell culture supernates. It contains insect cell-expressed recombinant human IL-1 sRII and has been shown to quantitate the recombinant factor accurately. Results obtained using natural IL-1 sRII showed linear curves that were parallel to the standard curves obtained... using the kit standards. These results indicate that this kit can be used to determine relative mass values for natural IL-1 sRII. The presence of high levels of IL-1 beta (> 7.5 ng/mL) in samples has been found to produce some interference (> 10% change) when assaying samples containing IL-1 sRII in the mid-level range. Show More |
Specificity | Natural and recombinant human IL-1 sRII |
Source | N/A |
Assay Type | Solid Phase Sandwich ELISA |
Inter-Assay | See PDF Datasheet for details |
Intra-Assay | See PDF Datasheet for details |
Spike Recovery | See PDF Datasheet for details |
Sample Volume | See PDF Datasheet for details |
Gene | IL1R2 |
Dilutions |
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Application Notes | Interference observed with 1 or more available related molecules. |
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Publications |
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Storage | Store the unopened product at 2 - 8 °C. Do not use past expiration date. |
Two distinct types of receptors that bind the pleiotropic cytokines IL-1 alpha and IL-1 beta have been described. The IL-1 receptor Type I is an 80 kDa transmembrane protein that is expressed predominantly by T cells, fibroblasts, and endothelial cells. IL-1 receptor Type II is a 68 kDa transmembrane protein found on B lymphocytes, neutrophils, monocytes, large granular leukocytes and, endothelial cells. Both receptors are members of the immunoglobulin superfamily and show approximately 28% sequence similarity in their extracellular domains. The two receptor types do not heterodimerize in a receptor complex.
IL-1 RII has a short cytoplasmic domain and does not transduce IL-1 signals. In addition to the membrane-bound form of IL-1 RII, a naturally-occurring soluble form of IL-1 RII has been described. It has been suggested that the Type II receptor, either as the membrane-bound or as the soluble form, serves as a decoy for IL-1 and inhibits IL-1 action by blocking the binding of IL-1 to the signaling Type I receptor complex. Recombinant IL-1 soluble receptor type II is a potent antagonist of IL-1 action.
Gene Symbol | IL1R2 |