Human TNF alpha ELISA

The TNF alpha ELISA is an immunoassay kit for quantitative measurement of Tumor Necrosis Factor alpha (TNFa) in human serum, plasma, cell culture supernatants, and lysate samples.

$402.00  
ELH-TNFa-1
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Antigen Information

Accession Number:
  • P01375
Gene ID:
  • 7124
Gene Symbols:
  • Tnf
  • TNFA
  • TNFSF2
Protein Name & Synonyms:
Tumor necrosis factor (Cachectin) (TNF-alpha) (Tumor necrosis factor ligand superfamily member 2) (TNF-a) [Cleaved into: Tumor necrosis factor, membrane form (N-terminal fragment) (NTF) Intracellular domain 1 (ICD1) Intracellular domain 2 (ICD2) C-domain 1 C-domain 2 Tumor necrosis factor, soluble form]
Target Species:
  • Human

Assay Format

Detection Range:
30 pg/ml - 6000 pg/ml
Recommended Dilution (serum & plasma):
2 fold
Sensitivity:
30 pg/ml

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Specificity:
This ELISA kit shows no cross-reactivity with any of the cytokines tested: Human ANG, CD23, Eotaxin, GCSF, GM-CSF, GRO-alpha, GRO-beta, GRO-gamma, I-309, IFN-gamma, IL-1 alpha, IL-1 beta, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-10, IL-12 (p40), IL-12 (p70), IL-15, IL-16, IP-10, MCP-1, MCP-2, MCP-3, MCP-4, MCSF, MIG, MIP-1 alpha, MIP-1 beta, NAP-2, PDGF, PF-4
Number of Targets Detected:
1
Species Detected:
  • Human
Compatible Sample Types:
  • Cell Culture Supernatants
  • Cell Lysates
  • Plasma
  • Serum
  • Tissue Lysates
Design Principle:
  • Sandwich-based
Method of Detection:
Colorimetric
Quantitative/Semi-Quantitative:
  • Quantitative
Solid Support:
96-well Microplate

Product Specifications

Size:
1, 2, or 5 x 96-Well Strip Microplate Kit

Product Features

Additional Notes
  • Strip plates and additional reagents allow for use in multiple experiments
  • Quantitative protein detection
  • Establishes normal range
  • The best products for confirmation of antibody array data

Standard Curves

Standard curve graphs showing the results from the human tnf alpha elisa kit

Dilution series diagram with 8 vials

Spiking & Recovery Results

Sample Type Average % Recovery Range (%)
Serum 94.53 82-103
Plasma 91.92 80-102
Cell culture media 96.43 84-104

Linearity Results

    Serum Plasma Cell Culture Media
1:2 Average % of expected
Range (%)
94
83-102
93
82-103
92
81-102
1:4 Average % of expected
Range (%)
94
83-104
92
82-103
99
85-107

Application Notes

Kit Components
  • Pre-Coated 96-well Strip Microplate
  • Wash Buffer
  • Stop Solution
  • Assay Diluent(s)
  • Lyophilized Standard
  • Biotinylated Detection Antibody
  • Streptavidin-Conjugated HRP
  • TMB One-Step Substrate
Other Materials Required
  • Distilled or deionized water
  • Precision pipettes to deliver 2 µl to 1 µl volumes
  • Adjustable 1-25 µl pipettes for reagent preparation
  • 100 µl and 1 liter graduated cylinders
  • Tubes to prepare standard and sample dilutions
  • Absorbent paper
  • Microplate reader capable of measuring absorbance at 450nm
  • Log-log graph paper or computer and software for ELISA data analysis
Protocol Outline
  1. Prepare all reagents, samples and standards as instructed in the manual.
  2. Add 100 µl of standard or sample to each well.
  3. Incubate 2.5 h at RT or O/N at 4°C.
  4. Add 100 µl of prepared biotin antibody to each well.
  5. Incubate 1 h at RT.
  6. Add 100 µl of prepared Streptavidin solution to each well.
  7. Incubate 45 min at RT.
  8. Add 100 µl of TMB One-Step Substrate Reagent to each well.
  9. Incubate 30 min at RT.
  10. Add 50 µl of Stop Solution to each well.
  11. Read at 450 nm immediately.

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Storage/Stability

The entire kit may be stored at -20°C for up to 1 year from the date of shipment. Avoid repeated freeze-thaw cycles. The kit may be stored at 4°C for up to 6 months. For extended storage, it is recommended to store at -80°C.
  1. Chen, Xia, et al. "LTM chloride inhibits LPS mediated expressions of pro-inflammatory cytokines and adhesion molecules in HUVECs: involvement of NF-kB-Jmjd3 signaling." Cellular Physiology and Biochemistry 42.5 (2017): 1713-1724.
    Species: Human
    Sample type: Cell culture supernatants
  2. Kormann, Michael SD, et al. "Expression of therapeutic proteins after delivery of chemically modified mRNA in mice." Nature biotechnology 29.2 (2011): 154-157.
    Species: Human
    Sample type: Conditioned Media (Human and mouse alveolar type II epithelial cell lines, A549 and MLE13)
  3. Mause S., Ritzel E., Liehn E., et al. Platelet Microparticles Enhance the Vasoregenerative Potential of Angiogenic Early Outgrowth Cells After Vascular Injury. Circulation . 2010 Aug 3;122(5):495-506. doi: 10.1161/CIRCULATIONAHA.109.909473.
    Species: Human
    Sample type: Conditioned Media (HUVEC cells in vascular injury model)
  4. Qi C., Wang X., Shen Z., et al. Anti-mitotic chemotherapeutics promote apoptosis through TL1A-activated death receptor 3 in cancer cells. Cell Research volume 28, pages 544–555 (2018)
    Species: Human
    Sample type: Conditioned Media (Adenocarcinoma Cell lines)
  5. Rathinam, Chozhavendan, et al. "Efficient differentiation and function of human macrophages in humanized CSF-1 mice." Blood 118.11 (2011): 3119-3128.
    Species: Human
    Sample type: Serum
  6. Rathinam, Chozhavendan, et al. "Efficient differentiation and function of human macrophages in humanized CSF-1 mice." Blood 118.11 (2011): 3119-3128.
    Species: Human
    Sample type: Conditioned Media (BM cells)
  7. Tian, Wenfang, et al. "Brahma?related gene 1 bridges epigenetic regulation of proinflammatory cytokine production to steatohepatitis in mice." Hepatology58.2 (2013): 576-588.
    Species: Human
    Sample type: Conditioned Media (HepG2 cells )
  8. Šenolt, Ladislav, et al. "Adipokine profile is modulated in subcutaneous adipose tissue by TNF? inhibitors in patients with rheumatoid arthritis." Annals of the rheumatic diseases 70.11 (2011): 2054-2056.
    Species: Human
    Sample type: Tissue Lysate (adipose tissue)
  9. Chai, Q., Lu, Z., Liu, Z. et al. Lung gene expression signatures suggest pathogenic links and molecular markers for pulmonary tuberculosis, adenocarcinoma and sarcoidosis. Commun Biol 3, 604 (2020). https://doi.org/10.1038/s42003-020-01318-0
    Species: Human
    Sample type: Conditioned media (Cell culture media)
  10. Piano S, Favaretto E, Tonon M, Antonelli G, Brocca A, Sticca A, Mareso S, Gringeri E, Scaroni C, Plebani M, Russo FP, Burra P, Cillo U, Angeli P. Including Relative Adrenal Insufficiency in Definition and Classification of Acute-on-Chronic Liver Failure. Clin Gastroenterol Hepatol. 2020 May;18(5):1188-1196.e3. doi: 10.1016/j.cgh.2019.09.035. Epub 2019 Oct 4. PMID: 31589973.
    Species: Human
    Sample type: Plasma, Saliva
This ELISA kit was used for quantification of TNF-alpha in the supernatants of SEB-stimulated peripheral blood mononuclear cells in combination with conventional chemotherapeutics. Overall, the assay worked well, and the output was clear.

KYNAN PHARMA
Worked great with THP-1 cells stimulated with LPS. Sensitive and easy to use.

Duke University
Great kit. Easy to follow protocol. Getting great results.

Florida A&M University
It's so easy to use. I'm happy with it and recommend it to everyone.

Columbia University
Simple protocol and reproducible results. Would recommend.

University of Houston
I used it for human corneal epithelial cell culture supernatant under induced conditions. It is very sensitive and easy to use.

I also want to comment on the fast delivery of the product.

University of Illinois at Chicago
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Usage

This product is furnished for LABORATORY RESEARCH USE ONLY.
Not for diagnostic or therapeutic use.

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