Calibrator 6 is a lyophilized blend of 11 recombinant human proteins: IL-17A/F, IL-17E/IL-25, IL-17F, IL 21, IL-22, IL-23, IL-27, IL 29/IFN-λ1, IL-31, IL-33, and TSLP. It was developed for use as an assay calibrator for MSD U-PLEX human assays that measure any of the included proteins. The utility of this product has not been evaluated in other applications. Individual analyte concentrations are provided in the lot-specific certificates of analysis. Calibrator 6 includes IL-17A, IL-17E, IL-22, IL-31, IL-33, and TSLP expressed in E. coli, IL-17A/F expressed in a hamster cell line, IL-17F, IL-27, and IL-29 expressed in a mouse cell line, IL-21 expressed in a human cell line, and IL-23 expressed in insect cells. The instructions on using Calibrator 6 are provided in U-PLEX Biomarker Group 1 Human Product Inserts and U-PLEX Biomarker Group 1 NHP Product Inserts. 

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