Principle of the Assay
This assay employs the quantitative sandwich enzyme immunoassay technique. A monoclonal antibody specific for IL-13 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and any IL-13 present is bound by the immobilized antibody. Following incubation unbound samples are removed during a wash step, and then a detection antibody specific for IL-13 is added to the wells and binds to the combination of capture antibody-IL-13 in sample. Following a wash to remove any unbound combination, and enzyme conjugate is added to the wells. Following incubation and wash steps a substrate is added. A coloured product is formed in proportion to the amount of IL-13 present in the sample. The reaction is terminated by addition of acid and absorbance is measured at 450nm. A standard curve is prepared from seven IL-13 standard dilutions and IL-13 sample concentration determined.
For Use with serum, plasma and cell culture supernatants. For Research Use Only. Not for use in diagnostic procedures.
Target Information
IL-13 (Interleukin-13) plays a key role in the pathogenesis of allergy, cancer, and tissue fibrosis. It is secreted by several helper T cell subsets, NK cells, mast cells, eosinophils, basophils, and visceral smooth muscle cells. IL-13 suppresses the production of proinflammatory cytokines and other cytotoxic substances by macrophages, fibroblasts, and endothelial cells. It promotes B cell activation, immunoglobulin class switching to IgE, and the upregulation of CD23/Fc epsilon RII. IL-13 signals through a receptor complex containing IL-13 R alpha 1 and IL-4 R alpha. This complex also functions as the type 2 IL-4 receptor. IL-13 R alpha 2 binds IL-13 and prevents IL-13 from signaling through the IL-13 R alpha 1/IL-4 R alpha complex. IL-13-bound IL-13 R alpha 2 can directly promote tumor cell invasiveness and the development of tissue fibrosis.
GENE ID |
SWISS PROT |
SYNONYMS |
Materials Supplied
Kit Components |
Aluminium pouches with a Microwell Plate coated with monoclonal antibody to mouse IL-13(8﹡12) |
Mouse IL-13 Standard lyophilized, 1000 pg/ml upon reconstitution |
Concentrated Biotin-Conjugate anti-mouse IL-13 monoclonal antibody |
Streptavidin-HRP solution |
Standard /sample Diluent |
Biotin-Conjugate antibody Diluent |
Streptavidin-HRP Diluent |
Wash Buffer Concentrate 20x (PBS with 1% Tween-20) |
Substrate Solution |
Stop Solution |
Adhesive Films |
Product data sheet |
Storage
Performance Characteristics
The coefficient of variation of both intra-assay and inter-assay were less than 10%. |
The minimum detectable dose was 4pg/mL. |
7.8-500 pg/mL |
This assay recognizes both natural and recombinant mouse IL-13. The factors listed below were prepared at 50ng/ml in Standard /sample Diluent and assayed for cross-reactivity and no significant cross-reactivity or interference was observed. |
Factors assayed for cross-reactivity
Recombinant mouse |
Recombinant human |
Data Analysis Assistance
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https://www.myassays.com/bioss-mouse-il-13-elisa-kit.assay