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IL-18 Protein, Human, Recombinant (GST)

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IL-18 Protein, Human, Recombinant (GST)

Catalog No. TMPY-03381

IL-18 Protein, Human, Recombinant (GST) is expressed in E. coli expression system with GST tag. The predicted molecular weight is 48.6 kDa and the accession number is Q14116.

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Pack Size	Price	Availability	Quantity
50 μg	$462	7-10 days

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Biological Description

Biological Information	inactive
Description	IL-18 Protein, Human, Recombinant (GST) is expressed in E. coli expression system with GST tag. The predicted molecular weight is 48.6 kDa and the accession number is Q14116.
Species	Human
Expression System	E. coli
Tag	N-GST
Accession Number	Q14116
Synonyms	IL-18,IL-1g,IGIF,IL1F4,interleukin 18
Construction	The pro form of Human IL18 (Q14116) (Met1-Asp193) was fused with the GST tag at the N-terminus.
Protein Purity	> 85 % as determined by SDS-PAGE
Molecular Weight	48.6 kDa (predicted)
Endotoxin	Please contact us for more information.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.5. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice.
Research Background	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 cell -, IL-4- and STAT6-dependent fashion. IL-18 and T cell receptor-mediated stimulation could induce naive CD4+ T cells to develop into IL-4-producing cells in vitro. Thus, caspase-1 and IL-18 may be critical in the 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 feedback to promote Th1 cell development in the 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.Cancer ImmunotherapyImmune CheckpointImmunotherapyTargeted Therapy