HTRF HUMAN IL6 KIT - 500 PTS
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HTRF HUMAN IL6 KIT - 500 PTS

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品牌: Revvity
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    产品介绍
    产品信息

    Overview

    IL6 is a pro-inflammatory cytokine involved in acute-phase reaction, inflammation, and cancer progression. Secreted by T cells, macrophages, and fibroblasts, it induces B and T cell proliferation. It is being studied in a wide variety of research areas including diabetes, Alzheimer's disease, depression, and several cancers. Along with TGF beta, IL6 is main promoter of T cell differentiation into TH17, a new component of immuno-oncology.

    Assessment of serum samples often requires enhanced sensitivity. In some cases, AlphaLISA assays may have sufficient sensitivity to enable detection of low levels of analytes in serum or plasma.

    Specifications

    Assay Points
    96
    Assay Target Type
    Kit
    Assay Technology
    HTRF
    Brand
    HTRF
    Quantity
    1
    Therapeutic Area
    Metabolism/Diabetes
    NASH/Fibrosis
    Neuroscience
    Oncology & Inflammation
    Unit Size
    96 Assay Points

    Video gallery

    References

    How it works

    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 Revvity 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.

    Assay principle human il6
    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.
     

    Assay details

    Technical specifications of human IL6 kit
    Sample size16 µL
    Final assay volume20 µL
    Kit componentsLyophilized standard, frozen detection antibodies, buffers &protocol.
    LOD &LOQ (in Diluent)8 pg/mL &34 pg/mL
    Range34 7,500 pg/mL
    Time to result2h at RT
    CalibrationNIBSC (89/548) value (IU/mL) = 0,1 x HTRF hIL6 value (pg/mL)
    SpeciesHuman only

     

    Analytical performance

    Intra and inter assay

    Intra-assay (n=24)

    SampleMean [IL6] (pg/mL)CV
    13845%
    225223%
    385943%
     Mean CV4%


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

    Inter-assay (n=4)

    Sample[IL6] (pg/mL)Mean (delta R)CV
    1116.540013%
    2268180510%
    3326178342%
      Mean CV8%


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

    Dilutional linearity
    SampleDilution factor[IL6] expected (pg/mL)[IL6] detected (pg/mL)Recovery
    11-2015-
    4.3469489104%
    7.4271292108%
    10.7188210111%
    Mean108%
    21-354-
    4.38382101%
    7.4454894%
    Mean97%


    ​The excellent % of recovery obtained from these experiments show the good linearity of the assay.

    Spike and recovery
    Sample[IL6] added (pg/mL)[IL6] expected (pg/mL)[IL6] detected (pg/mL)Recovery
    1325040984103100%


    ​Recombinant cytokine was added to a serum sample, and the response obtained from a standard curve was compared to the calculated expected values. The 100% of recovery observed validates the sample matrix used for this assay.

    Assay validation

    Inhibition of IL6 secretion in THP1 cells with JTE607

    THP1 cells plated at 100 kcells/well were incubated for 18 h with increasing concentrations of JTE 607 in presence of 2 µg/mL LPS. 16 µL of supernatants were then transferred into a white detection plate (384 low volume) to be analyzed by the Human IL6 Assay.

    assay validation human il6
    IL6 secretion in PBMCs stimulated with LPS

    PBMC were plated at 50, 100 and 400 kcells/well and stimulated for 18 h with increasing concentrations of LPS ( 0, 0.02, 0.2, 2 µg/mL). 16 µL of supernatants were then transferred into a white detection plate (384 low volume) to be analyzed by the Human IL6 Assay.

    assay validation human il6

     

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    货号:
    62HIL06PEG
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