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Background
IL-27 is a heterodimer that consists of p28 and EBI3 (1). Antigen presenting cells including monocytes, macrophages, and dendritic cells are the primary sources of IL-27 (1). IL-27 is a pleiotropic cytokine with both pro- and anti-inflammatory activities. IL-27 suppresses TH17 responses and promotes type I regulatory cell differentiation (2-4). In contrast, IL-27 has been shown to play a pro-inflammatory role in a mouse model of T cell-induced colitis (5). IL-27 may also have anti-viral activities (6). IL-27 exerts its effects through a heterodimeric receptor consisting of WSX-1 and gp130 (1,7). IL-27-induced signaling results in Stat1 and Stat3 phosphorylation (1,7).
- Pflanz, S. et al. (2002) Immunity 16, 779-90.
- Villarino, A.V. et al. (2010) J Immunol 185, 6461-71.
- Apetoh, L. et al. (2010) Nat Immunol 11, 854-61.
- Murugaiyan, G. et al. (2010) Proc Natl Acad Sci U S A 107, 11495-500.
- Cox, J.H. et al. (2011) J Exp Med 208, 115-23.
- Bender, H. et al. (2009) Hepatology 50, 585-91.
- Pflanz, S. et al. (2004) J Immunol 172, 2225-31.
Endotoxin
Less than 0.01 ng endotoxin/1μg mHis6IL-27.
Purity
>97% as determined by SDS-PAGE of 6 μg reduced (+) and non-reduced (-) recombinant mHis6IL-27. All lots are greater than 97% pure.
Source / Purification
Recombinant mouse His6IL-27 (mHis6IL-27) is a heterodimer that is composed of EBI3 Tyr19-Pro228 (Accession# NP_056581) linked to p28 Phe29-Ser234 (Accession# NP_663611) via the linker GGGSGGGSGGGSGGGS. mHis6IL-27 was expressed in human 293 cells at Cell Signaling Technology.
Bioactivity
The bioactivity of mHis6IL-27 was determined in a virus protection assay. The ED50 of each lot is between 1-6 ng/ml.
Background
IL-27 is a heterodimer that consists of p28 and EBI3 (1). Antigen presenting cells including monocytes, macrophages, and dendritic cells are the primary sources of IL-27 (1). IL-27 is a pleiotropic cytokine with both pro- and anti-inflammatory activities. IL-27 suppresses TH17 responses and promotes type I regulatory cell differentiation (2-4). In contrast, IL-27 has been shown to play a pro-inflammatory role in a mouse model of T cell-induced colitis (5). IL-27 may also have anti-viral activities (6). IL-27 exerts its effects through a heterodimeric receptor consisting of WSX-1 and gp130 (1,7). IL-27-induced signaling results in Stat1 and Stat3 phosphorylation (1,7).
Background References
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
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