Nori Canine TNF RII ELISA Kit

$461.00$832.00

DataSheet   

This ELISA kit is for quantification of TNFRII in dog. This is a quick ELISA assay that reduces time to 50% compared to the conventional method, and the entire assay only takes 3 hours. This assay employs the quantitative sandwich enzyme immunoassay technique and uses biotin-streptavidin chemistry to improve the performance of the assays. An antibody specific for TNFRII has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and any TNFRII present is bound by the immobilized antibody. After washing away any unbound substances, a detection antibody specific for TNFRII is added to the wells. Following wash to remove any unbound antibody reagent, a detection reagent is added. After intensive wash a substrate solution is added to the wells and color develops in proportion to the amount of TNFRII bound in the initial step. The color development is stopped, and the intensity of the color is measured.

Alternative names for TNF RII: tumor necrosis factor receptor II, CD120, TNFRII, TNFRSF1B, death receptor, TNFR2

 

This product is for laboratory research use only, not for diagnostic and therapeutic purposes or any other purposes.

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Description

Nori Canine TNF RII ELISA Kit Summary

Alternative names for TNF RII: tumor necrosis factor receptor II, CD120, TNFRII, TNFRSF1B, death receptor, TNFR2

Alternative names for canine: dog

Assay Type Solid Phase Sandwich ELISA
Format 96-well Microplate or 96-Well Strip Microplate
Method of Detection Colorimetric
Number of Targets Detected 1
Target Antigen Accession Number A0A8C0Q4G7
Assay Length 3 hours
Quantitative/Semiquantitative Quantitative
Sample Type Plasma, Serum, Cell Culture, Urine, Cell/Tissue Lysates, Synovial Fluid, BAL,
Recommended Sample Dilution (Plasma/Serum) No dilution for sample <ULOQ; sufficient dilution for samples >ULOQ
Sensitivity 1.6 pg/mL
Detection Range 8-500 pg/mL
Specificity Canine TNF RII
Cross-Reactivity < 0.5% cross-reactivity observed with available related molecules, < 50% cross-species reactivity observed with species tested.
Interference No significant interference observed with available related molecules
Storage/Stability 4 ºC for up to 6 months
Usage For Laboratory Research Use Only. Not for diagnostic or therapeutic use.
Additional Notes The kit allows for use in multiple experiments.

 

Standard Curve

 

Kit Components
1. Pre-coated 96-well Microplate
2. Biotinylated Detection Antibody
3. Streptavidin-HRP Conjugate
4. Lyophilized Standards
5. TMB One-Step Substrate
6. Stop Solution
7. 20 x PBS
8. Assay Buffer

Other Materials Required but not Provided:
1. Microplate Reader capable of measuring absorption at 450 nm
2. Log-log graph paper or computer and software for ELISA data analysis
3. Precision pipettes (1-1000 µl)
4. Multi-channel pipettes (300 µl)
5. Distilled or deionized water

Protocol Outline
1. Prepare all reagents, samples and standards as instructed in the datasheet.
2. Add 100 µl of Standard or samples to each well and incubate 1 h at RT.
3. Add 100 µl of Working Detection Antibody to each well and incubate 1 h at RT.
4. Add 100 µl of Working Streptavidin-HRP to each well and incubate 20 min at RT.
5. Add 100 µl of Substrate to each well and incubate 5-30 min at RT.
6. Add 50 µl of Stop Solution to each well and read at 450 nm immediately.

Background:

A tumor necrosis factor receptor (TNFR), or death receptor, is a trimeric[2] cytokine receptor that binds tumor necrosis factors (TNF).[1] The receptor cooperates with an adaptor protein (such as TRADD, TRAF, RIP), which is important in determining the outcome of the response (e.g. apoptosis, inflammation). Because “TNF” is often used to describe TNF alpha, “TNFR” is often used to describe the receptors that bind to TNF alpha – namely, CD120. However, there are several other members of this family that bind to the other TNFs.[3][4] While all cell types studied express TNF RI, TNF RII expression is limited primarily to hematopoietic cells and cells of the immune system. Most of the biological function of TNF are mediated via TNF RI. Soluble forms of both TNF RI and TNF RII, generated as a result of proteolytic cleavage of the extracellular domain, have been detected in vivo in various fluids. The soluble TNF receptors can bind TNF with high affinity and function as TNF-antagonists. [3, 5-7]

Reference

  1. Banner DW, D’Arcy A, Janes W et al. (May 1993). Cell 73 (3): 431–45.
  2. Ashkenazi, A.; Dixit, VM (1998). Science 281 (5381): 1305–8.
  3. Locksley RM, Killeen N, Lenardo MJ (2001). Cell 104 (4): 487–501.
  4. Hehlgans T, Pfeffer K (2005). Immunology 115 (1): 1–20.
  5. Chen G & DV Goeddel (2002) Science 296: 1634.
  6. MacEwan DJ (2002) Cell Signal 14: 477.
  7. Feldmann M & RN Maini (2001) Annu. Rev. Immunol. 19:163.

 

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