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Human il 1 beta il 1f2 duoset elisa kit

Manufactured by R&D Systems
Sourced in United States

The Human IL-1 beta/IL-1F2 DuoSet ELISA Kit is a tool for the quantitative determination of human interleukin-1 beta (IL-1 beta) and interleukin-1 family member 2 (IL-1F2) levels in cell culture supernatants, serum, and plasma.

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8 protocols using human il 1 beta il 1f2 duoset elisa kit

1

Quantifying IL-1β in Fungal Infection

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Mouse BMDMs and hMDMs were infected with C. albicans (MOI = 10) for the indicated time periods. IL-1β in culture supernatants was measured with a mouse IL-1β/IL-1F2 Quantikine ELISA Kit or human IL-1 beta/IL-1F2 DuoSet ELISA Kit (R&D Systems). To measure intracellular IL-1β, BMDMs were collected and lysed with PBS/0.5% Triton X-100. Proteins in the supernatants were precipitated with chloroform/methanol (1:4). Unattached cells (<5%) were removed by washing twice with PBS. The levels of IL-1β in each sample were measured using the ELISA kit as described above.
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2

Cytokine Expression Analysis in Mice

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For investigation of the effect of FDP on the expression of cytokines, a subset of mice were sacrificed and brain regions and plasma were harvested. Brain regions were lysed with 1X Cell Lysis Buffer supplemented with 1 mM PMSF (Cell Signaling, Danvers MA) and Protease Inhibitor Cocktail (Sigma-Aldrich, cat no. 11873580001). Brain tissue IL-1β was measured with Mouse IL-1 beta/IL-1F2 DuoSet ELISA Kit (R&D Systems, Minneapolis MN) according to the manufacturer’s instructions. For mouse primary microglia and human THP-1 macrophages, tissue culture supernatant was harvested for analysis of secreted cytokines. In human THP-1 cells, IL-1β was measured with Human IL-1 beta/IL-1F2 DuoSet ELISA Kit (R&D Systems) according to the manufacturer’s instructions.
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3

Quantifying IL-1β in Activated Microglia

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Human IL-1 beta/IL-1F2 Duoset ELISA kit (R&D Systems, Catalog # DY201 was used to measure IL-1β in the supernatants of activated microglia. The assay was carried out according to the manufacturer’s instructions.
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4

Quantification of IL-1β Release

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After exposure, the medium was removed, briefly centrifuged, and the supernatant was frozen for IL-1β analysis. The viability of the cells was tested by using Alamar blue assay. IL-1β release was analyzed by using Human IL-1 beta/IL-1F2 DuoSet ELISA kit (R&D systems), according to the instructions from the manufacturer. The light absorbance was measured at 540 nm in a microplate reader (Tecan, Infinite F 200, Austira GmbH, Software: Magellan 7.2), and a linear standard curve was generated and used to determine the IL-1β concentration.
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5

Cytokine Quantification in Cell Supernatant

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The supernatant was collected after the treatments, and the IL-1β, IL-6, IL-8, and TNF-α levels were analyzed using Human IL-1 beta/IL-1F2 DuoSet ELISA Kit (R&D systems, catalog number: DY201-05), Human IL-6 Quantikine ELISA Kit (R&D systems, catalog number: D6050), Human IL-8/CXCL8 Quantikine ELISA Kit (R&D systems, catalog number: D8000C), or Human TNF-alpha Quantikine ELISA Kit (R&D systems, catalog number: DTA00D), as directed by the manufacturer. Finally, the protein concentration was determined with a microplate reader (Thermo Fisher Scien- tific, UK).
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6

Quantification of IL-1β in Osteoblasts and Fibroblasts

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Quantification of interleukin 1β of osteoblast and fibroblast cultures (n = 4) at 1 and 3 days were measured using Human IL-1 beta/IL-1F2 DuoSet ELISA Kit (R&D Systems, Inc., Minneapolis, MN, USA). The optical density was detected by multimode microplate reader (VICTOR NivoTM HH3500, PerkinElmer®, Beaconsfield, UK). The results were measured in units of absorbance (AU) relative to the light intensity values and were converted in pg/mL according to the standard curve.
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7

Quantification of IL-1β in HDFs

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Supernatants from HDFs’ cultures were harvested, and the levels of IL-1β were assessed using a Human IL-1 beta/IL-1F2 DuoSet ELISA Kit (DY201-05, R&D Systems, Minneapolis, MN, USA) following the manufacturer’s protocols.
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8

Measuring IL-1β Levels in Ozone-Exposed Tissues

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After collecting the tissues media at the two different time-points upon O3 exposure (0 and 24 h), IL-1β levels were measured by using the Human IL-1 beta/IL-1F2 DuoSet ELISA kit (R&D System cat DY201, Minneapolis, MN, USA), according to the manufacturer’s protocol. IL-1β levels were adjusted for media (pg/mL) and expressed as arbitrary units (AU%). Gen5 software (BioTek, USA) was used for the detection [35 (link)].
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