|Application ||WB, IF, E|
|Other Accession||NP_742151, 28144901|
|Calculated MW||Predicted: 20 kDa |
|Application Notes||IL-28B antibody can be used for detection of IL-28B by Western blot at 1 - 2 µg/ml.|
|Target/Specificity||IFNL3; IL-28B antibody is human specific. IL-28B antibody may cross-react with IL-28A and IL-29.|
|Reconstitution & Storage||IL-28B antibody can be stored at 4℃ for three months and -20℃, stable for up to one year.|
|Precautions||IL-28B Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Synonyms||IL28B, IL28C, ZCYTO22|
|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: is primarily active in epithelial cells and this cell type- selective action is because of the epithelial cell-specific expression of its receptor IFNLR1. Seems not to be essential for early virus-activated host defense in vaginal infection, but plays an important role in Toll-like receptor (TLR)-induced antiviral defense. Plays a significant role in the antiviral immune defense in the intestinal epithelium. Exerts an immunomodulatory effect by up-regulating MHC class I antigen expression.|
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Provided below are standard protocols that you may find useful for product applications.
Interleukin 28 (IL-28B), also known as interferon lambda 3, is cytokine distantly related to type I interferons and the IL-10 family (1). The IL-28B gene and the closely related cytokine genes IL-28A and IL-29 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 and can induce anti-viral activity (2,3). 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) (1).
Sheppard P, Kindsvogel W, Xu W, et al. IL-28, IL-29 and their class II cytokine receptor IL-28R. Nat. Immunol. 2003; 4:63-8.
Osterlund PI, Pietila TE, Veckman V, et al. IFN regulatory factor family members differentially regulate the expression of type III IFN (IFN-lambda) genes. J. Immunol. 2007; 179:3434-42.
Meager A, Visvalingam K, Dilger P, et al. Biological activity of interleukins-28 and -29: comparison with type I interferons. Cytokine 2005; 31:109-18.
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