< 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
No significant interference observed with available related molecules.
QC191 , QuantiGlo Immunoassay Control Set 732 for Human IL-2 -
The QuantiGlo Human IL-2 Chemiluminescent Immunoassay is a 5.5 hour solid phase ELISA designed to measure IL-2 levels in cell culture supernates, serum, and plasma. It contains E. coli-expressed recombinant human IL-2 and antibodies raised against the recombinant factor. It has been shown to accurately quantitate recombinant human IL-2. Results obtained using natural human IL-2 showed linear curves that were parallel to the standard curves obtained using the recombinant QuantiGlo kit standards. These results indicate that this kit can be used to determine relative mass values for natural human IL-2.
Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested on one plate to assess intra-assay precision
Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in separate assays to assess inter-assay precision
The recovery of IL-2 spiked to three different levels throughout the range of the assay was evaluated.
Average % Recovery
Cell Culture Media (n=4)
EDTA Plasma (n=4)
Heparin Plasma (n=4)
To assess the linearity of the assay, four samples containing or spiked with high concentrations of IL-2 in various matrices were diluted with the Calibrator Diluent to produce samples with values within the dynamic range of the assay.
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
IL-2 (Interleukin 2) is a critical cytokine in T cell biology. It promotes T cell activation and expansion, the development, maintenance and function of regulatory T cells (Treg), and the differentiation of CD8+ T cells into terminal effector cells and memory cells. IL-2 signals through a receptor complex composed of CD25/IL-2 R alpha, IL-2 R beta, and the Common gamma Chain (gamma c). IL-2 R beta is also a component of the IL-15 receptor complex. Gamma c is also a signaling subunit in the receptors for IL-4, -7, -9, -15, and -21.
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HEK293T human embryonic kidney cell line,HeLa human cervical epithelial carcinoma cell line,HOS human osteosarcoma cell line