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Cynomolgus TNF alpha kit HTRF®

The HTRF cynomolgus TNF alpha kit is intended for the quantification of cynomolgus TNF alpha release in cell supernatant.

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  • No-wash No-wash
  • Low sample consumption Low sample consumption
  • Under 2h bench time Under 2h bench time

The HTRF cynomolgus TNF alpha kit is intended for the quantification of cynomolgus TNF alpha release in cell supernatant.

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Overview

TNF alpha, mainly produced by activated macrophages, is one of the main cytokines in acute phase reaction. Depending on the cellular target and the biological context, TNF alpha can activate pro-apoptosis or pro-survival pathways, thus regulating tissue development through apoptosis control. Outside of oncology and inflammation, TNF alpha contributes to the development of type II diabetes by increasing insulin resistance and modulating fatty acid metabolism.


Assessment of serum samples often requires enhanced sensitivity. In some cases, AlphaLISA assays may have sufficient sensitivity to enable the detection of low levels of analytes in serum or plasma. Check out the Cynomolgus TNFα AlphaLISA kit’s analytical performances for more information or learn more about AlphaLISA. When assaying, always follow the recommended protocol and avoid highly haemolyzed samples.

Benefits

  • SCALABLE FROM 96 TO 1536WELLS
  • PANEL QUANTIFICATION

Assay principle

Cell supernatant, sample, or standard is dispensed directly into the assay plate for the detection by HTRF® reagents (384-well low-volume white plate or Cisbio low-volume 96-well plate in 20 µl). The antibodies labeled with the HTRF donor and acceptor are pre-mixed and added in a single dispensing step, to further streamline the assay procedure. The assay can be run up to a 1536-well format by simply resizing each addition volume proportionally.
TNF alpha kit assay principle

Assay data analysis

The 4 Parameter Logistic (4PL) curve is commonly recommended for fitting an ELISA standard curve. This regression enables the accurate measurement of an unknown sample across a wider range of concentrations than linear analysis, making it ideally suited to the analysis of biological systems like cytokine releases.

To fully understand how to deal with HTRF data processing and also 4PL 1/y² fitting, please visit this page.

Cisbio also worked with Myassays.com to help you in your data analysis. By clicking on this link, you’ll be able to access a free online software to run your TNF alpha analysis.

Technical specifications of Cynomolgus TNF alpha

Sample size16 µL
Final assay volume20 µL
Kit componentsLyophilized standard, frozen detection antibodies, buffers & protocol.
LOD & LOQ (in Diluent)12.4 pg/mL & 27 pg/mL
Range27 – 3,000 pg/mL
Time to resultON at RT
SpeciesCynomolgus only

Inter and Intra assay

Sample Mean [TNFa] (pg/mL) CV
1 100 14%
2 1500 2%
3 2750 2%
  Mean CV 6%

Each of the 3 samples was measured 24 times, and % CV was calculated for each sample.

Sample [TNFa] (pg/mL) Mean (delta R) CV
1 159 665 3%
2 514 2150 2%
3 1667 6467 2%
    Mean CV 2%

Each of the samples was measured in 4 different experiments, and % CV was calculated for each sample.

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Plate Reader Requirement

Choosing the right microplate reader ensures you’ll get an optimal readout. Discover our high performance reader, or verify if your lab equipment is going to be compatible with this detection technology.

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