The largest database of trusted experimental protocols

23 protocols using bio plex pro human cytokine 27 plex assay kit

1

Cytokine Secretion in Macrophages upon LPS and IL-10 Treatment

Check if the same lab product or an alternative is used in the 5 most similar protocols
Macrophages were cultured on adherent plates for Bio-Plex assay (5 × 104 cells/96-well) and analyzed for cytokine secretion 2, 6, and 24 h after LPS (100 ng/mL), or LPS (100 ng/mL) and IL-10 (100 ng/mL) treatment. Supernatants were collected for analyses and stored at −20 °C until use. Supernatants were analyzed for the presence of 27 different proteins with the Bio-Plex Pro™ human Cytokine 27-plex Assay Kit (Bio-Rad, Hercules, CA, USA) according to the manufacturer’s protocol.
For TNF-α secretion analyses, macrophages (5 × 104 cells/96-well) were stimulated with LPS, or LPS and IL-10 for 6 h. Supernatants of stimulated macrophages were analyzed for TNF-α proteins with an enzyme-linked immunosorbent assay (ELISA) Kit (Invitrogen). The analysis was performed according to the manufacturer’s protocol with SpectraMax 340PC (Molecular Devices, San José, CA, USA).
+ Open protocol
+ Expand
2

Secretome Analysis of Cytokines

Check if the same lab product or an alternative is used in the 5 most similar protocols
For secretome analysis, culture medium supernatants were collected during harvest. All the samples were stored at − 80 °C until analysis with Bio-Plex Pro Human Cytokine 27-plex Assay kit (Bio-Rad Laboratories) according to the manufacturer’s instructions using Bio-Plex 200 system (Bio-Rad). Data were analyzed with Bio-Plex Manager software version 4.1.1, and visualized utilizing R. In order to compare multiple assays, median fluorescence intensities (MFI) were first normalized (nFI) by subtracting the background measurement from each analyte. Principle coordinates were calculated in R in order to assess the degree of inter-assay technical variability in comparison with experimental, inter-cell-type variability. Due to the inter-assay variability, a reduced resolution, binned heatmap method was employed. The R package dr4pl v1.1.1134 was used to create a combined standard curve from which the binning thresholds were established. Bins were drawn from the upper and lower asymptotes, as well as the calculated midpoint (EC50).
+ Open protocol
+ Expand
3

Multiplex Serum Cytokine Analysis

Check if the same lab product or an alternative is used in the 5 most similar protocols
At the follow-up clinic visit, venous blood samples were collected in a fasting state from participants. The blood samples were then centrifuged, serum was aliquoted and frozen at −80°C until analysis. Circulating serum cytokine concentrations were determined by a multiplex immunoassay at the Australian Proteome Analysis Facility, using the Bio-Plex Pro Human Cytokine 27-plex Assay kit (Bio-Rad, Sydney, New South Wales, Australia). When the concentrations of any cytokine fell below the limit of detection in >25% of the study population, the cytokine was excluded from further analysis (IL-2, IL-15, and GM-CST). For the present study, a panel of 24 cytokines were analyzed (FGF basic, Eotaxin, G-CSF, IFN-γ, IL-1β, IL-1ra, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-12 [p70], IL-13, IL-17, IP-10 [CXCL-10], MCP-1 [MCAF], CCL3, MIP-1β, PDGF-BB, RANTES, TNF-α, and VEGF).
+ Open protocol
+ Expand
4

Cytokine and MMP Response to Cigarette Smoke

Check if the same lab product or an alternative is used in the 5 most similar protocols
The proinflammatory properties of CS contribute to the initiation and progression of inflammatory respiratory diseases, including asthma and COPD (Strzelak et al. 2018 (link)). The inflammatory response triggered by CS has been correlated with MMP-mediated extracellular matrix remodeling in the lungs of smokers (Perlstein and Lee 2006 (link)). To assess these inflammatory responses to subacute exposures to CS, we quantified the secretion of select cytokines, chemokines, and MMPs into the basolateral medium at T12 and PT20. The Bio-plex Pro Human Cytokine 27-plex assay kit and a Human MMP 9-plex assay kit (Bio-Rad, Hercules, CA) were used for quantifying the secretion of select cytokines and MMPs into the basolateral medium. Briefly, basolateral media were incubated first with fluorescent magnetic beads by shaking vigorously at 850 ± 50 rpm for 1 h at room temperature, followed by incubation with the Detection Antibodies. The protein-antibody conjugates were visualized with streptavidin-PE. Fluorescence of the beads was measured and quantified using a MAGPIX system (Luminex, Austin, TX).
+ Open protocol
+ Expand
5

Multiplex Cytokine Quantification in Plasma and PBMC

Check if the same lab product or an alternative is used in the 5 most similar protocols
Twenty seven cytokines (including IL-1β, IL-1RA, IL-2, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-12(p70), IL-13, IL-15, IL-17, FGF-β, eotaxin, G-CSF, GM-CSF, IFN-γ, IP-10, MCP-1, MIP-1α, MIP-1β, PDGF-BB, RANTES, TNF-α and VEGF) in the plasma and culture supernatant samples were analyzed using Bio-Plex Pro Human Cytokine 27-plex Assay kit (Bio-Rad, Hercules, CA) according to the instruction manual. Briefly, the plasma or culture supernatant samples were mixed with the coupled beads in a 96-well filter plate and incubated on a shaker at room temperature for 30 min. After washing, the cytokine-coupled beads were mixed with the detection antibodies and incubated on a shaker at room temperature for 30 min. After washing again, the cytokine-coupled beads were mixed with streptavidin-PE and incubated on a shaker at room temperature for 10 min. After washing, the cytokine-coupled beads were resuspended in 125 µL of assay buffer. Next, data were acquired in the Bio-Plex Luminex 100 system and analyzed using Bio-Plex Manager Software version 5.0 (Bio-Rad, Hercules, CA) to determine 27 cytokines in plasma and cytokine production in supernatants of PBMC samples.
+ Open protocol
+ Expand
6

Biomarker Panel for Neurodegenerative Conditions

Check if the same lab product or an alternative is used in the 5 most similar protocols
A biomarker panel has been designed based on previous investigations by our group in older populations, including older adults with neurodegenerative conditions [10 (link),38 (link),39 (link),40 (link),41 (link),42 (link),43 (link)]. Markers of systemic inflammation will be assayed as described elsewhere [40 (link)]. Briefly, a set of 27 pro- or anti-inflammatory mediators (e.g., cytokines, chemokines, and growth factors) will be measured in serum samples using the Bio-Plex Pro™ Human Cytokine 27-plex Assay kit (#M500KCAF0Y, Bio-Rad, Hercules, CA, USA) (Table 2). Experiments will be run on a Bio-Plex® System with Luminex xMap Technology (Bio-Rad) and data will be acquired on the Bio-Plex Manager Software 6.1 (Bio-Rad) with instrument default settings. Outliers will be automatically removed by optimization of standard curves across all analytes and results will be obtained as concentration (pg/mL).
Traditional and automated enzyme-linked immunosorbent assays will be run to quantify serum levels of amyloid beta (aa1-42) (#DAB142, R&D Systems, Minneapolis, MN, USA), neurofilament light polypeptide (#SPCKB-PS-002448-000190, R&D Systems), Tau (#NBP2-62749, Novus Biologicals, Littleton, CO, USA), and Tau [p Ser739] (#NBP2-66711, Novus Biologicals) proteins according to the manufacturer’s instructions.
+ Open protocol
+ Expand
7

Quantifying Cytokine Levels in SFTS Serum

Check if the same lab product or an alternative is used in the 5 most similar protocols
We utilized the Bio-plex Pro Human cytokine 27-plex Assay kit (Bio-Rad, USA) to quantify the levels of cytokines in serum samples collected during the hospitalization of SFTS patients. This kit incorporates fluorescent microspheres that are conjugated with monoclonal antibodies that specifically target the cytokines of interest. To ensure accurate results, we strictly followed the instructions provided by the manufacturer, and all cytokines were tested using the same method. The following cytokines underwent testing: interferon-γ (IFN-γ), tumor necrosis factor-α (TNF-α), Eotaxin, macrophage inflammatory protein 1β (MIP-1β), MIP-1α, monocyte chemotactic protein-1 (MCP-1), vascular endothelial growth factor (VEGF), basic fibroblast growth factor (basic FGF), granulocyte-macrophage colony-stimulating factor (GM-CSF), inducible protein-10 (IP-10), granulocyte colony-stimulating factor (G-CSF), interleukin (IL)-1β, IL-17, IL-15, IL-13, IL-12, IL-10, IL-9, IL-8, IL-7, IL-6, IL-5, IL-4, IL-2, IL-1 receptor antagonist (IL-1RA), regulated on activation and normally T-cell expressed (RANTES), and platelet-derived growth factor (PDGF-BB). Processed samples were subjected to testing using the Bio-Plex 3D system, which is a flow cytometry-based method.
+ Open protocol
+ Expand
8

Quantifying Cytokine and MMP Secretion

Check if the same lab product or an alternative is used in the 5 most similar protocols
The release of cytokines and MMPs into the basolateral medium was analyzed using a Bio-plex Pro Human cytokine 27-plex assay kit and a Human MMP 9-plex assay kit (Bio-Rad, Hercules, CA, USA), respectively, following the manufacturer’s instructions. Briefly, 50 µL basolateral media or analyte standards prepared in the PneumaCult™ Maintenance Medium were incubated with fluorescent magnetic beads for 1 h at 850 rpm ± 50 rpm in the dark. Unbound analytes were washed off by washing the plate three times with Wash Buffer. The analytes were then detected by incubating first with detection antibodies and then with Streptavidin-PE. The fluorescence of the beads was measured using a MAGPIX system (Luminex, Austin, TX, USA) and the intensity of the fluorescence was analyzed using the Bioplex Manager (Bio-Rad).
+ Open protocol
+ Expand
9

Multiplex Cytokine Profiling in Fecal Samples

Check if the same lab product or an alternative is used in the 5 most similar protocols
The concentration of 27 cytokines, chemokines, and growth factors was determined using a Bio-Plex 200 system (Bio-Rad, Hercules, USA) and the Bio-Plex Pro Human Cytokine 27-plex Assay kit (Bio-Rad). Before analysis, faeces diluted tenfold (w/v) in PBS were centrifuged for 15 min at 20,000 g at 4 °C, and the supernatants were collected, diluted, and treated following the manufacturer’s protocol. Standards and samples were determined in duplicate. Data acquisition was performed with the Bio-Plex Manager 6.0 software and the standard curves fitted to a 5-parameter logistic regression.
+ Open protocol
+ Expand
10

Modulation of Cytokine/Chemokine Response in Respiratory Cell Lines

Check if the same lab product or an alternative is used in the 5 most similar protocols
A549 and SAE cells were inoculated with HMPV, AdV, or RSV at a multiplicity of infection (MOI) of 1. After 2 h, cells were treated with dimethyl sulfoxide (DMSO, vehicle control), 20 μM CE3F4, or 20 μM MAY0132 in fresh media. At 15 h post-treatment, cytokines/chemokines from collected supernatant were quantified using a Bio-Plex Pro Human Cytokine 27-plex Assay kit from Bio-Rad according to the manufacturer’s instructions. Data were analyzed using the multiplex analysis software from Bio-Rad.
+ Open protocol
+ Expand

About PubCompare

Our mission is to provide scientists with the largest repository of trustworthy protocols and intelligent analytical tools, thereby offering them extensive information to design robust protocols aimed at minimizing the risk of failures.

We believe that the most crucial aspect is to grant scientists access to a wide range of reliable sources and new useful tools that surpass human capabilities.

However, we trust in allowing scientists to determine how to construct their own protocols based on this information, as they are the experts in their field.

Ready to get started?

Sign up for free.
Registration takes 20 seconds.
Available from any computer
No download required

Sign up now

Revolutionizing how scientists
search and build protocols!