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IL-19

     
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Product Information
Primary Accession Q8CJ70
Species Mouse
Sequence Leu25-Ala176, expressed with an N-terminal Met
Purity > 95% as analyzed by SDS-PAGE
Endotoxin Level < 0.2 EU/ µg of protein by gel clotting method
Biological Activity ED50 < 50.0 ng/ml, measured by a cell proliferation assay using MCF-7 cells, corresponding to a specific activity of > 2.0 × 104 units/mg.
Expression System E. coli
Formulation Lyophilized after extensive dialysis against 50 mM acetic acid.
Reconstitution It is recommended that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute the lyophilized powder in 50 mM acetic acid up to 50 µg/ml.
Storage & Stability Upon receiving, this product remains stable for up to 6 months at lower than -70°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Avoid repeated freeze-thaw cycles.
Additional Information
Gene ID 329244
Other Names Interleukin-19, IL-19, Il19
Target Background Interleukin-19 (IL-19) is a cytokine belonging to the interleukin family. Structurally, IL-19 is grouped into the IL-10 sub-family, which also includes IL-20, IL-22, IL-24, and IL-26. In contrast to IL-10, which exists as a homodimer, IL-19 is stable and active as a monomer in vivo. IL-19 functions through the receptor complex composed of IL-20 Receptor α and IL-20 Receptor β, which is also utilized by IL-20 and IL-24. IL-19 is produced by active monocytes and stimulated synergistically by IL-17 and IL-13. The functions of IL-19 are to promote the development and function of Th2 cells and to enhance the production of Th2 cytokines. IL-19 is implicated in aging, vascular disease, Type I diabetes, and rheumatoid arthritis.
Protein Information
Name Il19
Function Cytokine that functions as an anti-inflammatory and proangiogenic factor (PubMed:12370360, PubMed:27053520). Polarizes adaptive immunity to an anti-inflammatory phenotype through induction of T-helper 2 responses by both down-regulation of IFN-gamma and up- regulation of IL4 and IL5 (PubMed:15557163). Produced by osteocytes, stimulates granulopoiesis and neutrophil formation (PubMed:33684929). Exerts its biological effect through a receptor complex consisting of a heterodimer of IL20RA and IL20RB. In turn, activates the Janus kinase (JAK) and signal transducer and activator of transcription (STAT) pathway, and importantly, STAT3 (By similarity).
Cellular Location Secreted.
Research Areas

For Research Use Only. Not For Use In Diagnostic Procedures.

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