Growth Factors & Cytokines Recombinant Proteins

Human Interleukin-35/IL-35 Recombinant Protein (RPES1037)

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SKU:
RPES1037
Product Type:
Recombinant Protein
Species:
Human
Research Area:
Growth Factors & Cytokines

Description

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Human Interleukin-35/IL-35 Recombinant Protein

The novel Ebi3-IL-12alpha heterodimeric cytokine has been designated interleukin-35 (IL-35); is a member IL12 family cytokine produced by regulatory T cells (Treg); but not by resting or activated effector T cells (Teff). IL-35 is a heterodimeric protein composed of IL-12α (P35) and IL-27β chains; which are encoded by two separate genes called IL12A and EBI3 (Epstein-Barr-virus-induced gene 3) respectively. Ectopic expression of IL-35 confers regulatory activity on naive T cells; whereas recombinant IL-35 suppresses T-cell proliferation. It identify IL-35 as a novel inhibitory cytokine that may be specifically produced by T(reg) cells and is required for maximal suppressive activity. IL-35 has biological activity and able to expand CD4+CD25+ Treg cells; suppress the proliferation of CD4+CD25- effector cells and inhibit Th17 cell polarization. IL-35 has been shown to be constitutively expressed by regulatory T (Treg) cells CD4(+)CD25(+)Foxp3(+) and suggested to contribute to their suppressive activity. IL-35 is a crucial mediator which provokes CD4+CD25+ T cell proliferation and IL-10 generation; another well-known anti-inflammatory cytokine; along with TGFbeta cytokine. IL-35 is a cytokine can downregulate Th17 cell development and inhibit autoimmune inflammation. It inhibited the differentiation of Th17 cells in vitro. In vivo; IL-35 effectively attenuated established collagen-induced arthritis in mice; with concomitant suppression of IL-17 production but enhanced IFN-gamma synthesis. Thus; IL-35 is a novel anti-inflammatory cytokine suppressing the immune response through the expansion of regulatory T cells and suppression of Th17 cell development.

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