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IL-27 p28, eFluor 660, clone: 3D1p28, eBioscience™

Mouse Monoclonal Antibody

Brand:  Affymetrix eBioscience 50-8277-42

Code : NEW

Additional Details : Weight : 0.23750kg

 View more versions of this product

Product Code. 15590047

  • £186.79 / 100 tests


Estimated Shipment date
from Supplier 26-02-2018
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Disclaimers:

For Research Use Only.


Description

Description

IL-27, is a heterodimeric protein consisting of the p40-related protein EBI3 non-covalently linked to an IL-12p35-related protein, p28. IL-27 is produced by activated APCs and mature dendritic cells. IL-27 exerts its activities on NK cells and naive CD4+ T cells; mRNA expression analysis of IL-27 receptor components suggests that IL-27 may also target other cells, including mast cells and monocytes. Binding of IL-27 to WSX-1/gp130 activates JAK1, STAT1, and STAT3 and STAT1/3 phosphorylation. WSX-1/TCCR-deficient mice develop impaired Th1 responses and are more susceptible to infection with L. monocytogenes suggesting that Th1 responses require IL-27. Although activation of WSX-1 is required for the initiation of Th1 responses, it is not necessary for maintaining Th1 responses. IL-27 alone is not able to induce the differentiation of CD4+ T cells into IFN-γ-producing cells, suggesting a role for IL-27 as an initial activator of Th1 responses. An important effect of IL-27 in initiating Th1 responses is the induction of the Th1-specific transcription factor T-bet as well as the suppression of the Th2-specific transcription factor GATA-3. T-bet plays a critical role in Th1 differentiation by its ability to maintain IL-12Rβ2 expression following CD4+ T cell activation. Recent studies indicate that IL-27 has a potent antitumor activity. In vitro, IL-27 has been found to act directly on naive CD8 cells, generating CTL with enhanced granzyme B expression. In vivo, IL-27 has been reported to augment CTL activity, inhibit tumor growth, and induce complete regression of primary and metastatic neuroblastoma tumors. Description: This 3D1p28 monoclonal antibody reacts with the human p28 subunit of IL-27. Interleukin-27 (IL-27) is a member of the IL-12 family, a subgroup of the IL-6 family of cytokines. It is a heterodimer of the subunits EBI3 (Epstein-Barr Virus Induced Gene 3), which is homologous to the p40 subunit shared by IL-12 and IL-23, and p28 (IL-30), which is homologous to p35. IL-27 is produced by activated dendritic cells and macrophages in response to TLR ligands and inflammatory cytokines. IL-27 has been shown to have both pro-inflammatory and anti-inflammatory effects. It influences the commitment of CD4+ T-cells toward the Th1 lineage by inducing the expression of the transcription factor T-bet and the upregulation of IL-12R beta2. Its anti-inflammatory functions include the suppression of Th2 and Th17 proliferation and differentiation.The IL-27 receptor shares one subunit, gp130, with other members of the IL-6 family. The subunit WSX-1 (IL-27R alpha, TCCR) is unique to IL-27 and is believed to be the only part of the receptor that interacts with the cytokine. IL-27R activation leads to the phosphorylation of Jak/STAT proteins, with STAT1 and STAT3 being critical to the function of IL-27.Recent evidence suggests that the p28 subunit may also be secreted independently of EBI3 and have functions distinct from the IL-27 heterodimer: it is believed to not only antagonize the activity of IL-27, but also inhibit signaling of other gp130 ligands, such as IL-6 and IL-11.Applications Reported: This 3D1p28 antibody has been reported for use in intracellular staining followed by flow cytometric analysis.Applications Tested: This 3D1p28 antibody has been pre-titrated and tested by intracellular staining followed by flow cytometric analysis. This can be used at 5 μL (0.03 μg) per test. A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. eFluor® 660 is a replacement for Alexa Fluor® 647. eFluor® 660 emits at 659 nm and is excited with the red laser (633 nm). Please make sure that your instrument is capable of detecting this fluorochome.Excitation: 633-647 nm; Emission: 668 nm; Laser: Red Laser.Filtration: 0.2μm post-manufacturing filtered.
Specifications

Specifications

IL-27, IL-27 p28
3D1p28
eFluor 660
Conjugated
Murine
100 Tests
Store at 2-8°C. Do not freeze. Light-sensitive material.
Monoclonal
Flow Cytometry (Intracellular Staining)
5μL (0.03μg)/test
aqueous buffer, 0.09% sodium azide, may contain carrier protein/stabilizer
Interleukin-27 subunit alpha, IL-27A, Interleukin-30
IgG1
RUO
Primary
Human
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