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Invitrogen™ Human IL-15 ELISA Kit

Catalog No. 501125338
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Quantity:
10 x 96 Tests
96 Tests

ELISA

The Human Interleukin-15 (IL-15) ELISA quantitates Hu IL-15 in human serum, plasma, buffered solution, or cell culture medium. The assay will exclusively recognize both natural and recombinant Hu IL-15. Principle of the method The Human IL-15 solid-phase sandwich ELISA (enzyme-linked immunosorbent assay) is designed to measure the amount of the target bound between a matched antibody pair. A target-specific antibody has been pre-coated in the wells of the supplied microplate. Samples, standards, or controls are then added into these wells and bind to the immobilized (capture) antibody. The sandwich is formed by the addition of the second (detector) antibody, a substrate solution is added that reacts with the enzyme-antibody-target complex to produce measurable signal. The intensity of this signal is directly proportional to the concentration of target present in the original specimen. Rigorous validation Each manufactured lot of this ELISA kit is quality tested for criteria such as sensitivity, specificity, precision, and lot-to-lot consistency. See manual for more information on validation.

IL-15 (Interleukin 15 ) is a cytokine that regulates T and natural killer cell activation and proliferation. IL-15 and IL-2 share many biological activities as both have been found to bind common hematopoietin receptor subunits, and may compete for the same receptor, and thus negatively regulate each other's activity. The number of CD8+ memory cells is shown to be controlled by a balance between IL-15 and IL-2. IL-15 induces the activation of JAK kinases, as well as the phosphorylation and activation of transcription activators STAT3, STAT5, and STAT6. In mouse, studies suggest that IL-15 may increase the expression of apoptosis inhibitor Bcl-xL, possibly through the transcription activation activity of STAT6, and thus prevent apoptosis. IL-15 plays an important role in the growth and differentiation of T and B lymphocytes, natural killer cells, macrophages, and monocytes as well as activation of a number of important intracellular signaling molecules. As such, IL-15 could be essential for the immune responses, allograft rejection, and the pathogenesis of autoimmune diseases. Further, IL-15 is a widely expressed pro-inflammatory cytokine and has been shown to play a role in several inflammatory disorders, including rheumatoid arthritis, psoriasis and pulmonary inflammatory diseases. Emerging data suggest that IL-15 may serve as a good therapeutic target, as there appears to be a beneficial effect of IL-15 neutralization in models of psoriasis and diabetes.
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Specifications

Accession Number P40933
Assay Range 15.6 to 1,000.0 pg/mL
Assay Sensitivity 3.4 pg/mL
Conjugate HRP
Product Type ELISA
Sample Type Plasma, Serum, Supernatant
Target Species Human
For Use With (Application) ELISA
For Use With (Equipment) Colorimetric Microplate Reader
Gene ID (Entrez) 3600
Gene Symbol IL-15
Interassay CV 9.7%
Intraassay CV 9.3
Kit Contents Pre-coated 96 well plate, Standard, Sample Diluent, Assay Buffer concentrate, Biotinylated Detection Antibody, SAV-HRP, Wash Buffer, Chromogen, Stop Solution, Adhesive Plate Covers
Label or Dye HRP
Quantity 96 Tests
Regulatory Status RUO
Sample Volume Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
Storage Requirements 2°C to 8°C
Synonym Interleukin-15
Target IL-15
Test Time 1 hrs 20 mins
Total Assay Time 3 hrs 30 mins
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