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Invitrogen
Human IL-31 ELISA Kit
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Product Specifications
Analytical sensitivity
1.2 pg/mL
Assay range
7.8-500 pg/mL
Sample type/volume
Serum
50 µL
Plasma
50 µL
Supernatant
50 µL
Hands-on time
1 hr 20 min
Time-to-result
4 hr 30 min
Homogenous (no wash)
No
Interassay CV
3.3%
Intraassay CV
5.7%
Instrument
Absorbance Microplate Reader
Product size
96 Tests
Contents
Pre-coated 96 well plate, Standard (2 vials), Sample diluent, Biotinylated Detection Antibody, Assay buffer Concentrate, Wash buffer concentrate,SAV-HRP,TMB, Stop solution, Adhesive Plate Covers
Shipping conditions
Wet ice
Storage
2-8°C
Protein name
IL-31
Species (tested)
Human
Assay kit format
Sandwich ELISA Kit
Detector antibody conjugate
Biotin
Label or dye
HRP
About This Kit
The Human Interleukin-31 (Hu IL-31) ELISA quantitates Hu IL-31 in human serum, plasma, buffered solution, or cell culture medium. The assay will exclusively recognize both natural and recombinant Hu IL-31.
Principle of the method
The Human IL-31 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.
Target information
Interleukin-31 (IL-31) is a recently discovered T-cell cytokine closely related to IL-6 type cytokines and is preferentially produced by T helper type 2 cells. IL-31 activity is mediated through the ligand-induced oligomerization of a dimeric receptor complex containing IL-31 receptor A and oncostatin M receptor. In response to IL-31 binding, these proteins activate the JAK/STAT and the AKT signaling pathways. RNA levels of IL-31 receptor A and oncostatin M receptor are induced in activated monocytes but are expressed constitutively in epithelial cells. IL-31, when overexpressed in transgenic mice, results in the development of pruritis, alopecia, and skin lesions and in humans may result in atopic dermatitis, suggesting that IL-31 may represent a novel target for antipruritic drug development.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Gene aliases : IL-31, IL31
Gene ID : (Human) 386653
Gene symbol : IL31
Protein Aliases : IL-31, Interleukin-31, ILN, Interleukin
UniProt ID (Human) Q6EBC2
Performance Guarantee
If an Invitrogen™ immunoassay doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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