產(chǎn)品名稱(chēng)：Human IL-28B (IFN lambda 3) Recombinant Protein 25 ug 產(chǎn)品貨號(hào)：eBioscience 14-8288-80 產(chǎn)品規(guī)格：25 ug Human IL-28B (IFN lambda 3) Recombinant Protein Also known as: Interleukin-28B RUO: For Research Use Only. Not for use in diagnostic procedures. SKU# 14-8288 Cat. No. Size 14-8288-62 5 ug 14-8288-80 25 ug Description: IL-28B belongs to the IFN-λ family, a novel family of cytokines within the IL-10 superfamily. The three members of this family are IL-29 (IFN-λ1), IL-28A (IFN-λ2), and IL-28B (IFN-λ3), and are also known as the type III Interferons. The IFN-λs signal through a heterodimeric receptor of which one subunit, IL-10R2, is shared with other members of the superfamily. The second subunit, IFN-λR1 or IL-28Rα, is unique to the IFN-λs. Signaling occurs through the Jak/STAT pathway in a similar manner as the type I IFNs (IFN-α/β) and activates many of the same genes despite low sequence homology between the cytokines and receptors in the two families. Both IFN families display antiviral activity through the induction of antiviral protein production in target cells and the upregulation of MHC class I expression. These proteins also exhibit antiproliferative and antitumor effects, making them a possible alternative to IFN-α cancer therapies. Unlike the type I IFNs, which are able to stimulate most cells, response to IFN-λ stimulation appears to be limited to dendritic and some tumor cells due to the limited expression of IFN-λR1. Another notable difference is the ability of the IFN-λ stimulation to drive dendritic cells towards the production of CD4+CD25+FoxP3+ regulatory T-cells, suggesting a possible immunoregulatory role.
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