Mouse TNF-alpha ELISA Kit (Colorimetric)

Novus Biologicals, part of Bio-Techne | Catalog # NBP2-31085

Novus Biologicals, part of Bio-Techne
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Key Product Details

Sample Type & Volume Required Per Well

Cell Culture Supernatants, Plasma (EDTA, citrate), buffered solution, Serum (50 ul)

Sensitivity

3.7 pg/ml

Assay Range

31.3 - 2000 pg/mL

View all TNF-alpha ELISA Kits »

Product Specifications

Assay Type

Sandwich ELISA

Kit Type

ELISA Kit (Colorimetric)

Reactivity

Mouse

Specificity

The assay detects both natural and recombinant mouse TNF alpha. The interference of circulating factors of the immune systemwas evaluated by spiking these proteins at physiologically relevant concentrations into mouse IL-10 positive serum. There was no crossreactivity detected.

Description

The mouse TNF-alpha ELISA is an enzyme-linked immunosorbent assay for the quantitative detection of mouse TNF-alpha.

Precision

Intra-Assay Precision (Precision within an assay) CV% < 6.5%

Inter-Assay Precision (Precision between assays) CV% < 5.7%

Recovery for Mouse TNF-alpha ELISA Kit (Colorimetric)

Recovery

Please See Protocol for Specific Spike Recovery Details

Scientific Data Images for Mouse TNF-alpha ELISA Kit (Colorimetric)

ELISA: Mouse TNF-alpha ELISA Kit (Colorimetric) [NBP2-31085]

ELISA: Mouse TNF-alpha ELISA Kit (Colorimetric) [NBP2-31085]

ELISA: Mouse TNF-alpha ELISA Kit (Colorimetric) [NBP2-31085] - Standard Curve

Kit Contents for Mouse TNF-alpha ELISA Kit (Colorimetric)

  • Adhesive Films
  • Aluminium pouch(es) with a Microwell Plate coated with polyclonal antibody to mouse TNF-alpha
  • Assay Buffer Concentrate 20x (PBS with 1% Tween 20 and 10% BSA)
  • Biotin-Conjugate anti-mouse TNF-alpha polyclonal antibody
  • Calibrator Diluent
  • Mouse TNF-alpha Standard lyophilized, 2 ng/mL upon reconstitution
  • Sample Diluent
  • Stop Solution (1M Phosphoric acid)
  • Streptavidin-HRP
  • Substrate Solution (tetramethyl-benzidine)
  • Wash Buffer Concentrate 20x (PBS with 1% Tween 20)

Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Storage of components varies. See protocol for specific instructions.

Background: TNF-alpha

Tumor necrosis factor (TNF)-alpha is a pro-inflammatory cytokine belonging to the TNF superfamily that is secreted by monocytes/macrophages, T cell, and natural killer (NK), among others (1). TNF-alpha is synthesized as a 233 amino acid (aa) transmembrane protein (mTNF-alpha) with a theoretical molecular weight (MW) of 26 kDa (1,2) that forms a homotrimer. mTNF-alpha is cleaved by TNF-alpha converting enzyme (TACE) and released in its 157 aa, 17 kDa soluble form (sTNF-alpha) (1-5). Both mTNF-alpha and sTNF-alpha are capable of binding type 1 TNF receptors (TNFR1), whereas mTNF-alpha predominately binds to TNFR2 (1,2). TNF-alpha binding to its receptors causes receptor recruitment of adaptor proteins, formation of signaling complexes, and downstream signaling cascades (e.g. MAPK, NF-kappaB, and Caspase-8), leading to distinct cellular responses such as survival, proliferation, inflammation, necroptosis, and apoptosis (1-5).

TNF-alpha is critical for normal immune response; however, dysregulation of TNF-alpha production can result in various pathologies (2,4,5). Excessive production of pro-inflammatory cytokines including interleukin 1 (IL-1), IL-6, and TNF-alpha has been implicated in an array of autoimmune diseases like rheumatoid arthritis (RA), inflammatory bowel disease (IBD), and psoriasis (2,4,5). Anti-TNF monoclonal antibodies, including Infliximab, and soluble TNFR have been approved for the treatment of autoimmune and TNF-mediated diseases (5). Additionally, data suggests that TNF inhibitors can be beneficial for treating patients experiencing immune-related adverse events associated with immune checkpoint inhibitor cancer treatment (6).

References

1. Holbrook J, Lara-Reyna S, Jarosz-Griffiths H, McDermott M. Tumour necrosis factor signalling in health and disease. F1000Res. 2019;8:F1000 Faculty Rev-111. https://doi.org/10.12688/f1000research.17023.1

2. Jang DI, Lee AH, Shin HY, et al. The Role of Tumor Necrosis Factor Alpha (TNF-alpha) in Autoimmune Disease and Current TNF-alpha Inhibitors in Therapeutics. Int J Mol Sci. 2021;22(5):2719. https://doi.org/10.3390/ijms22052719

3. Horiuchi T, Mitoma H, Harashima S, Tsukamoto H, Shimoda T. Transmembrane TNF-alpha: structure, function and interaction with anti-TNF agents. Rheumatology (Oxford). 2010;49(7):1215-1228. https://doi.org/10.1093/rheumatology/keq031

4. Webster JD, Vucic D. The Balance of TNF Mediated Pathways Regulates Inflammatory Cell Death Signaling in Healthy and Diseased Tissues. Front Cell Dev Biol. 2020;8:365. https://doi.org/10.3389/fcell.2020.00365

5. Kalliolias GD, Ivashkiv LB. TNF biology, pathogenic mechanisms and emerging therapeutic strategies. Nat Rev Rheumatol. 2016; 12(1):49-62. https://doi.org/10.1038/nrrheum.2015.169

6. Chen AY, Wolchok JD, Bass AR. TNF in the era of immune checkpoint inhibitors: friend or foe?. Nat Rev Rheumatol. 2021;17(4):213-223. doi:10.1038/s41584-021-00584-4

Long Name

Tumor Necrosis Factor alpha

Alternate Names

Cachetin, DIF, TNF, TNF-A, TNFA, TNFalpha, TNFG1F, TNFSF1A, TNFSF2

Gene Symbol

TNF

Additional TNF-alpha Products

Product Documents for Mouse TNF-alpha ELISA Kit (Colorimetric)

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Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Product Specific Notices for Mouse TNF-alpha ELISA Kit (Colorimetric)

This product is for research use only and is not approved for use in humans or in clinical diagnosis. ELISA Kits are guaranteed for 6 months from date of receipt.

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