Human Interleukin 28B(IL-28B) ELISA kit

Code CSB-E13296h
See More Details 24T ELISA kits trial application
Product Type ELISA Kit
Size 96T,5×96T,10×96T
Uniprot No. Q8IZI9
Lead Time 3-5 working days
Abbreviation IL-28B
Protein Biological Process 1 Immunity
Target Name Interleukin 28B(IL-28B)
Alias IFNL3, IL-28B, IL28C, interferon, lambda 3|interferon, lambda 4|interleukin 28B|interleukin 28C
Species Homo sapiens (Human)
Protein Biological Process 3 Antiviral defense
Sample Types serum, plasma, cell culture supernats, tissue homogenates
Detection Range 1.56 pg/mL-100 pg/mL
Sensitivity 0.39 pg/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Immunology
Protocol may be improved. Please feel free to contact CUSABIO product specialist to obtain the latest version.
Assay Principle quantitative
Measurement Sandwich
Target Details This gene encodes a cytokine distantly related to type I interferons and the IL-10 family. This gene, interleukin 28A (IL28A), and interleukin 29 (IL29) are three closely related cytokine genes that form a cytokine gene cluster on a chromosomal region mapped to 19q13. Expression of the cytokines encoded by the three genes can be induced by viral infection. All three cytokines have been shown to interact with a heterodimeric class II cytokine receptor that consists of interleukin 10 receptor, beta (IL10RB) and interleukin 28 receptor, alpha (IL28RA).
HGNC 18365
Intra-assay Precision (Precision within an assay): CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess.
Inter-assay Precision (Precision between assays): CV%<10%
Three samples of known concentration were tested in twenty assays to assess.
To assess the linearity of the assay, samples were spiked with high concentrations of human IL-28B in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
1:1Average %87
Range %82-92
1:2Average %96
Range %90-100
1:4Average %100
Range %95-105
1:8Average %96
Range %93-99
The recovery of human IL-28B spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
Sample TypeAverage % RecoveryRange
Serum (n=5) 9490-98
EDTA plasma (n=4)10095-104
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
1002.224 2.239 2.232 2.047
501.509 1.534 1.522 1.337
251.023 1.036 1.030 0.845
12.50.688 0.699 0.694 0.509
6.250.474 0.490 0.482 0.297
3.120.387 0.374 0.381 0.196
1.560.281 0.297 0.289 0.104
00.184 0.186 0.185  
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Function Cytokine with antiviral, antitumour and immunomodulatory activities. Plays a critical role in the antiviral host defense, predominantly in the epithelial tissues. Acts as a ligand for the heterodimeric class II cytokine receptor composed of IL10RB and IFNLR1, and receptor engagement leads to the activation of the JAK/STAT signaling pathway resulting in the expression of IFN-stimulated genes (ISG), which mediate the antiviral state. Has a restricted receptor distribution and therefore restricted targets
Subcellular Location Secreted
Protein Families Lambda interferon family
Database Links

HGNC: 18365

OMIM: 607402

KEGG: hsa:282617

STRING: 9606.ENSP00000409000

UniGene: Hs.406744

Pathway Jak-STAT signaling pathway

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