Interleukin-18 Human Recombinant, IL 18 Human, 25ug

CAT No.BT-CYT-269

Interleukin-18 Human Recombinant, IL 18 Human, 25ug

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Biological Activity
The ED50 as determined by the dose-dependant stimulation of the IFN-g by human PBMC co-stimulated with IL-12 was found to be 5ng/ml corresponding to a Specific Activity of 200,000IU/mg.

Description
Interleukin-18 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 157 amino acids and having a molecular mass of 18302 Dalton.
The IL-18 is purified by proprietary chromatographic techniques.

Formulation
Lyophilized from a concentrated (1mg/ml) solution in water containing 0.5x PBS pH=7.3.

The Sale of recombinant Human IL-18 by TSZGENE is prohibited in the following countries: Unites States, Japan, United Kingdon, France, Spain, Italy, Germany, Austria, Belgium, Denmark, Portugal, Sweden, Switzerland, Liechtenstein, Australia, Taiwan, Netherlands, Korea and Canada.

Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.

Purity
Greater than 98.0% as determined by(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.

Solubility
It is recommended to reconstitute the lyophilized Interleukin 18 in sterile 18M¦¸-cm H2O not less than 100ug/ml, which can then be further diluted to other aqueous solutions.

Source
Escherichia Coli.

Stability
Lyophilized Interleukin 18 although stable at room temperature for 3 weeks, should be stored desiccated below -18¡ãC. Upon reconstitution IL18 should be stored at 4¡ãC between 2-7 days and for future use below -18¡ãC.
For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).
Please prevent freeze-thaw cycles.

Synonyms
Interferon-gamma-inducing factor, IGIF, IL-1g, IL-18, IL1F4, MGC12320, IFN-gamma-inducing factor, Interleukin-1 gamma, IL-1 gamma, Iboctadekin.

Usage
TSZGENE's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.