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  • Human IL-18 (Inactive) recombinant protein

Human IL-18 (Inactive) recombinant protein

Cat.#: 503674

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Product Information

  • Product Name
    Human IL-18 (Inactive) recombinant protein
  • Documents
  • Description
    Interleukin-18 (IL-18, also known as interferon-gamma inducing factor) is a proinflammatory cytokine that belongs to the IL-1 superfamily and is produced by macrophages and other cells. This cytokine can induce the IFN-gamma production of T cells. The combination of IL-18 and IL12 has been shown to inhibit IL4 dependent IgE and IgG1 production, and enhance IgG2a production of B cells. IL-18 binding protein (IL18BP) can specifically interact with this cytokine, and thus negatively regulate its biological activity. IL-18 is an IL-1−like cytokine that requires cleavage with caspase-1 to become active, was found to increase IgE production in a CD4+ T cells-, IL-4− and STAT6−dependent fashion. IL-18 and T cell receptor−mediated stimulation could induce naïve CD4+ T cells to develop into IL-4−producing cells in vitro. Thus, caspase-1 and IL-18 may be critical in regulation of IgE production in vivo, providing a potential therapeutic target for allergic disorders. IL-18 production in primary synovial cultures and purified synovial fibroblasts was, in turn, upregulated by TNF-α and IL-1β, suggesting that monokine expression can feed back to promote Th1 cell development in synovial membrane. Besides, synergistic combinations of IL-18, IL-12, and IL-15 may be of importance in sustaining both Th1 responses and monokine production in RA.
  • Protein name
    Interleukin-18
  • Protein short names
    MGC12320; IL18; IL-1G; IL1F4; IGIF; IL-18
  • Uniprot ID
    Q14116
  • Gene Name
    IL18; IGIF; IL1F4
  • Source/Expression Host
    E. coli
  • Expression Plasmid/cDNA
    A DNA sequence encoding the pro form of human IL18 (Q14116) (Met1-Asp193) was fused with the GST tag at the N-terminus.
  • Protein Species
    Human
  • Molecular weight
    The recombinant pro form of human IL18 consists of 419 amino acids and has a predicted molecular mass of 48.6 kDa.
  • Purity
    > 85 % as determined by SDS-PAGE
  • Validations

    Human IL18 / Interleukin 18 / IGIF Protein (GST Tag) SDS-PAGE

    Human IL18 / Interleukin 18 / IGIF Protein (GST Tag) SDS-PAGE

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"