IL-27 Recombinant Protein Cat. No.: 90-530

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psi-iconSpecifications
SPECIES:Mouse
SOURCE SPECIES:CHO cells
SEQUENCE:The mouse IL-27 complex composed of the Ebi3 subunit (aa 1-228) and the p28 subunit (aa 29-234) is fused through a polypeptide linker to the Fc region of human IgG1.
FUSION TAG:Fc Tag
TESTED APPLICATIONS:
APPLICATIONS:This recombinant proteins is for research use only.
BIOLOGICAL ACTIVITY: Bioactivity was measured in a cell proliferation assay of Con A activated mouse splenocytes.
psi-iconProperties
PURITY:>98% (SDS-PAGE).

Endotoxin level is less than 0.06EU/ μg protein (LAL test; Lonza).
PHYSICAL STATE:Lyophilized
BUFFER:Lyophilized from 0.2um-filtered solution in PBS. Reconstitute at 100 μg/ml in sterile PBS.
STORAGE CONDITIONS:Stable for at least 1 year after receipt when stored at -20˚C. Working aliquots are stable for up to 3 months when stored at -20˚C.
psi-iconAdditional Info
ALTERNATE NAMES:Interleukin-27
ACCESSION NO.:NP_056581/AAI19403
PROTEIN GI NO.:7657052
OFFICIAL SYMBOL:Ebi3
GENE ID:50498
psi-iconBackground and References
BACKGROUND:Interleukin-27 (IL-27) is a heterodimeric group 2 receptor ligand molecule that belongs to the IL-6/IL-12 family of long type I cytokines. It is composed of EBI3 (EBV-induced gene 3), a 34 kDa glycoprotein that is related to the p40 subunit of IL-12 and IL-23, and p28, the cloned 28 kDa glycoprotein that is related to the p35 chain of IL-12. IL-27 is expressed by monocytes, endothelial cells and dendritic cells. IL-27 binds to and signals through a heterodimeric receptor complex composed of WSX1 (TCCR) and gp130. Evidence suggests IL-27 interacts only with WSX-1. IL-27 has both anti- and proinflammatory properties. As an antiinflammatory, IL-27 seems to induce a general negative feedback program that limits T and NK-T cell activity. At the onset of infection, IL-27 induces an IL-12 receptor on naie CD4+ T cells, making them susceptible to subsequent IL-12 activity (and possible Th1 development). Notably, IL-12 family cytokines are both induced and inhibited by bacterial products. Microbes promote IL-27 secretion through TLR4, and also block IL-27 production via C5a induction.

FOR RESEARCH USE ONLY.

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