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IL27 Antibody (Center) Blocking Peptide

Synthetic peptide

Product Information
Primary Accession Q8NEV9
Clone Names 100517029
Peptide ID 100517029
Additional Information
Gene ID 246778
Other Names Interleukin-27 subunit alpha, IL-27 subunit alpha, IL-27-A, IL27-A, Interleukin-30, p28, IL27, IL27A, IL30
Format Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.
PrecautionsThis product is for research use only. Not for use in diagnostic or therapeutic procedures.
Protein Information
Name IL27
Synonyms IL27A, IL30
Function Associates with EBI3 to form the IL-27 interleukin, a heterodimeric cytokine which functions in innate immunity. IL-27 has pro- and anti-inflammatory properties, that can regulate T- helper cell development, suppress T-cell proliferation, stimulate cytotoxic T-cell activity, induce isotype switching in B-cells, and that has diverse effects on innate immune cells. Among its target cells are CD4 T-helper cells which can differentiate in type 1 effector cells (TH1), type 2 effector cells (TH2) and IL17 producing helper T-cells (TH17). It drives rapid clonal expansion of naive but not memory CD4 T-cells. It also strongly synergizes with IL-12 to trigger interferon-gamma/IFN-gamma production of naive CD4 T-cells, binds to the cytokine receptor WSX-1/TCCR which appears to be required but not sufficient for IL-27-mediated signal transduction. IL-27 potentiate the early phase of TH1 response and suppress TH2 and TH17 differentiation. It induces the differentiation of TH1 cells via two distinct pathways, p38 MAPK/TBX21- and ICAM1/ITGAL/ERK-dependent pathways. It also induces STAT1, STAT3, STAT4 and STAT5 phosphorylation and activates TBX21/T-Bet via STAT1 with resulting IL12RB2 up- regulation, an event crucial to TH1 cell commitment. It suppresses the expression of GATA3, the inhibitor TH1 cells development. In CD8 T-cells, it activates STATs as well as GZMB. IL-27 reveals to be a potent inhibitor of TH17 cell development and of IL-17 production. Indeed IL27 alone is also able to inhibit the production of IL17 by CD4 and CD8 T-cells. While IL-27 suppressed the development of proinflammatory Th17 cells via STAT1, it inhibits the development of anti-inflammatory inducible regulatory T-cells, iTreg, independently of STAT1. IL-27 has also an effect on cytokine production, it suppresses proinflammatory cytokine production such as IL2, IL4, IL5 and IL6 and activates suppressors of cytokine signaling such as SOCS1 and SOCS3. Apart from suppression of cytokine production, IL-27 also antagonizes the effects of some cytokines such as IL6 through direct effects on T- cells. Another important role of IL-27 is its antitumor activity as well as its antiangiogenic activity with activation of production of antiangiogenic chemokines such as IP-10/CXCL10 and MIG/CXCL9. In vein endothelial cells, it induces IRF1/interferon regulatory factor 1 and increase the expression of MHC class II transactivator/CIITA with resulting up-regulation of major histocompatibility complex class II. IL-27 also demonstrates antiviral activity with inhibitory properties on HIV-1 replication.
Cellular Location Secreted. Note=Does not seem to be secreted without coexpression of EBI3
Tissue Location Expressed in monocytes and in placenta.
Research Areas
Citations (0)

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The protein encoded by this gene is one of the subunits ofa heterodimeric cytokine complex. This protein is related tointerleukin 12A (IL12A). It interacts with Epstein-Barr virusinduced gene 3 (EBI3), a protein similar to interleukin 12B(IL12B), and forms a complex that has been shown to drive rapidexpansion of naive but not memory CD4(+) T cells. The complex isalso found to synergize strongly with interleukin 12 to triggerinterferon gamma (IFNG) production of naive CD4(+) T cells. Thebiological effects of this cytokine are mediated by the class Icytokine receptor (WSX1/TCRR).


Li, J.J., et al. J. Immunol. 185(7):4401-4409(2010)Guzzo, C., et al. J. Biol. Chem. 285(32):24404-24411(2010)Zhang, J., et al. J. Biol. Chem. 285(28):21269-21281(2010)Schuurhof, A., et al. Pediatr. Pulmonol. 45(6):608-613(2010)Morishima, N., et al. J. Biomed. Biotechnol. 2010, 605483 (2010) :

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$ 80.00
Cat# BP14223c
(40 western blots)
Availability: In Stock
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