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Opteia human il 10 elisa set

Manufactured by BD

The BD OptEIA™ Human IL-10 ELISA Set is a laboratory equipment product that enables the quantitative measurement of human interleukin-10 (IL-10) levels in biological samples using the Enzyme-Linked Immunosorbent Assay (ELISA) technique.

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5 protocols using opteia human il 10 elisa set

1

Cytokine Quantification Using ELISA

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The collected culture media from all treatments and cell types were analyzed using an enzyme-linked immunosorbent assay for IL-1 (BD OptEIA™ Human IL-1 ELISA Set—557953, BD Biosciences, IL-6; BD OptEIA™ Human IL-6 ELISA Set—555220, BD Biosciences, DF: 1:2), and IL-10 (BD OptEIA™ Human IL-10 ELISA Set—555157, BD Biosciences), as per the kit instructions. For each ELISA, duplicate standards were used to create a dilution series according to the manufacturer’s recommendations. The assay results were analyzed using a Synergy H4 microplate reader (BIO-TEK).
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2

Quantifying IL-10 Production in T Cells

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The concentrations of IL-10 in supernatant or sera were determined using BD OptEIA Human IL-10 ELISA Set (BD Biosciences). To test IL-10 production, CD8+ T cells were purified from PBMCs (MACS Column Technology), and labeled with tet-APC, CD8-PECy7, CD4-PE and violet. 6×104 FACS-sorted cells were distributed into 96 wells with 200 μl medium containing 50 IU/ml rhIL-2, T2 cells (2:1 ratio) pulsed with peptide NY-ESO-1 157–165 or control peptide HIVpol 476-484 (10 μg/ml). Supernatant was collected for ELISA assay after 48-hour incubation. Alternatively, CD4+ and CD8+ T cells were separated by MACS Column Technology, the rest of the cells were labeled with CD14-ECD, CD11c-Alexa700, CD3-PerCPCy5.5, CD56-PE and CD19-FITC and sorted. Total RNA was extracted from each cell subset, and IL-10 mRNA was detected using RT-QPCR as previously described (43 ).
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3

Quantifying IL-10 Secretion in B Cells

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B cells were stimulated as previously described. Thereafter, cell-free supernatants were harvested and IL-10 secretion was quantified using a commercial BD OptEIA Human IL-10 ELISA set (BD Biosciences).
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4

Cytokine Profiling of Immune Cells

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Culture media collected from ecto, endo, stroma, and THP-1 macrophages 48 h post-infection were tested for human GM-CSF, IL-6, IL-8, IL-10, and TNFα using the BD OptEIA Human GM-CSF ELISA Set (555126, BD Biosciences, San Jose, CA), BD OptEIA Human IL-6 ELISA Set (555220, BD Biosciences), BD OptEIA Human IL-8 ELISA Set (555244, BD Biosciences), BD OptEIA Human IL-10 ELISA Set (555157, BD Biosciences), and Human TNF ELISA Set (555212, BD Biosciences), respectively. Standard curves were developed using duplicate samples of known-quantity recombinant proteins that were provided by the manufacturer. Sample concentrations were determined by relating the absorbance of the samples to the standard curve using linear regression analysis.
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5

Cytokine Production from Stimulated PBMCs

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Peripheral blood mononuclear cells (1 × 106 cells/mL per well) were cultured in RPMI-1640 (Gibco, Life Technologies, Foster City, CA, USA) medium added with fetal bovine serum (FBS) (Sigma, St. Louis, MO, USA) at 37°C in an atmosphere of 5% CO2, overnight. Cells were stimulated with Staphylococcus aureus (10 to 1 microorganism per cell) after 5 hours of incubation with the test compounds. After additional 18 hours of incubation the supernatants were stored at −80°C. TNF-α and IL-10 were quantified by enzyme-linked immunosorbent assay (ELISA) using BD OptEIA Human TNF ELISA Set (Cat. no. 555212) and BD OptEIA Human IL-10 ELISA Set (Cat. no. 555157), respectively, according to the manufacturer's instructions.
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