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Bio plex multiplex immunoassay kit

Manufactured by Bio-Rad
Sourced in Italy

The Bio-Plex Multiplex Immunoassay kit is a laboratory equipment product used for the simultaneous detection and quantification of multiple analytes in a single sample. It is designed to enable researchers to measure various proteins, cytokines, and other biomolecules efficiently and accurately.

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5 protocols using bio plex multiplex immunoassay kit

1

Multiplex Immunoassay for Inflammatory Cytokines

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The expression of IL-1β, IL-6, and TNF-α in lung tissue lysates was determined using the Bio-Plex Multiplex Immunoassay kit (Bio-Rad) according to the manufacturer’s instructions. All assays were performed at room temperature in 96-well round-bottomed microtiter plates protected from light. Measurements and data analyses were performed with the Bio-Plex system in combination with Bio-Plex Manager software.
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2

Cytokine Profiling of Murine Colitis

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Lamina propria mononuclear cells (LPMC) were obtained from mice with TNBS-induced colitis (6 days duration) and seeded into 96 well plates (200,000 cells/well) for stimulation with LPS (5 μg/ml) in RPMI complete medium for 36 h at 37 °C16 (link)17 (link). Alternatively, CD4+ cells were sorted from the MLN after 3–4 d duration of TNBS colitis and then seeded into 96 well plates (100,000 cells/well) for stimulation with plate-bound anti-CD3 (5 μg/ml) and soluble anti-CD28 (2 μg/ml) in RPMI complete medium for 72 h at 37 °C. After incubation, the culture supernatant was analyzed for cytokine content by ELISA. Measurement of cytokine/chemokine release in the DSS model was achieved using a Bio-Plex® Multiplex Immunoassay kit (BioRad, Italy).
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3

Multiplex Immunoassay of Adipokines and Cytokines

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The expression of adipokines and cytokines (insulin, IL-1β, IL-6, TNF-α, and MCP-1) in serum and tissue lysates was determined using the Bio-Plex Multiplex Immunoassay kit (Bio-Rad), according to the manufacturer instructions. Blank values were subtracted from all readings. All assays were performed directly at room temperature in a 96-well round-bottomed microtiter plates (Muller Ratiolab, Dreieich, Germany) protected from light. Measurements and data analysis were performed with a Bio-Plex system in combination with Bio-Plex Manager software.
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4

Tumor Growth Modulation by sEH Inhibitor

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1 × 106 LLc1 cells were subsequently injected in WT or KI male mice (12–14 weeks of age). For the study utilising genetically-modified LLc1 cells stably overexpressing WT or C521S sEH, 1 × 105 cells were injected in C57BL/6 mice. After the tumor size reached ~100 mm3, the mice were treated with vehicle (50% saline with 50% DMSO) or 5 mg/kg/day nitro-oleate or oleate using osmotic pumps (ALZET). Tumor volume, which was not allowed to exceed 1.5 cm3, was measured every 2 or 3 days using a calliper. sEH activity and protein expression (Cayman) were measured in harvested tumor tissues. In addition, paraffin-embedded sectioned tumor tissues were stained using Alexa Fluor™ 568 Conjugate isolectin B4 (Thermo Fisher scientific) and DAPI (Sigma). Stained sections were visualized using a Nikon eclipse TS100 fluorescence microscope and isolectin B4 positive cells were counted using Image J software [23 (link)]. Plasma was analysed for the EETs and DHETs as described below, and cytokines (interleukin (IL)-1β, IL-6, IL-10 and IL-12p70) analysed using a Bio-Plex multiplex immunoassay kit (Bio-Rad) with a Bio-Plex MAGPIX fluorescence magnetic bead-based immunoassay reader (Bio-Rad) according to the manufacturer's instructions.
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5

LPS-Induced Organ Pathology and Inflammation

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As described before [34 (link)], mice were perfused with phosphate-buffered formaldehyde followed by the removal of brain, liver, kidneys, and lungs after 24 hours of LPS injection in sham and LPS- A2 treated mice. These organs were processed using the services of the Comparative Pathology Laboratory (CLP) of Baylor College of Medicine. Microvascular fibrin-rich thrombi in paraffin embedded brain, liver, kidney, and lung tissues were analyzed with polyclonal fibrinogen antibody (Dako, Carpinteria California). In addition, the levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), and urea were determined by using the services of the CPL. Lastly, Bio-Plex Multiplex Immunoassay kit (BioRad) was use to measure the levels of cytokines and chemokines in mice. Bleeding time of mice treated with A2 or saline was performed as previously described [35 (link)]. P-values were calculated with student’s t-test.
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