Recombinant Human IL18

CAT: 0171-Z100477Size: 4 x 25 μg (Z100475)Dry Ice: NoHazardous: No
CAT#:0171-Z100477Size:4 x 25 μg (Z100475)
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Description
Also known as interferon-gamma-inducing factor (IGIF) and IL-1γ, IL18 is a cytokine that bears structural similarities with members of the IL-1 family of proteins. IL18 is natively synthesized as a proform that gets processed by caspase-1 to generate the bioactive form of IL18. IL18 is one of the pro-inflammatory cytokines that is expressed by a variety of immune and non-immune cells. The activities of IL18 appear to be species specific. An important function of IL18 is the regulation of functionally distinct subsets of T-helper cells required for cell mediated immune responses. IL18 functions as a growth and differentiation factor for Th1 cells and is known to up-regulate the FAS ligand mediated cytotoxic activity of murine natural killer cells. IL18 also partakes in a complex regulatory circuit involved in causing cell death by apoptosis.
CAS Number
9000-83-3
Gene Name
IL18
Gene Aliases
IL-18, Interferon gamma-inducing factor, IFN-gamma-inducing factor, Interleukin-1 gamma, IL-1 gamma
Recombinant Human Interleukin-18 (IL18)
Gene ID
3606
Accession Number
Q14116
Organism
Human
Source
E. coli
Concentration
< 1.0 EU/μg of recombinant protein as determined by the LAL method.
Purity
>95% as determined by SDS-PAGE
Solubility
A quick spin of the vial followed by reconstitution in distilled water to a concentration not less than 0.1 mg/mL. This solution can then be diluted into other buffers.
Function
The ED(50) as determined by the dose-dependent proliferation of human PBMC co-stimulated with IL12 was found to be in the range of 5.0 ng/mL.
Molecular Weight
18.5
Shipping Conditions
Ambient Temperature
Storage Conditions
The lyophilized protein is stable for at least one year from date of receipt at -70°C. Upon reconstitution, this cytokine can be stored in working aliquots at 2° - 8°C for one month, or at -20°C for six months, with a carrier protein without detectable loss of activity. Avoid repeated freeze/thaw cycles.
Appearance
Lyophilized Powder
Formulation
Lyophilized from 0.2 μm filtered solution in Tris buffer with NaCl

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