Nori Canine TGFb1 ELISA Kit

$508.00$916.00

DataSheet   

This ELISA kit is for quantification of TGFb1 in canine. 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 TGFb1 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and any TGFb1 present is bound by the immobilized antibody. After washing away any unbound substances, a detection antibody specific for TGFb1 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 TGFb1 bound in the initial step. The color development is stopped, and the intensity of the color is measured.

Alternative names for TGFb1: Transforming growth factor beta 1

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 TGFb1 ELISA Kit Summary

Alternative names for TGFb1: Transforming growth factor beta 1

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 P54831
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 6 pg/mL
Detection Range 31-2000 pg/mL
Specificity Canine TGFb1
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:

TGFβ1 (transforming growth factor beta 1) was first identified in human platelets as a protein with a molecular mass of 25 kilodaltons with a potential role in wound healing (1).  TGFB1, TGFB2, and TGFB3 all function through the same receptor signaling systems. They are members of the large TGFβ superfamily. TGFβ proteins are highly pleiotropic cytokines that regulate processes such as immune function, proliferation and epithelial mesenchymal transition (2-4). It was later characterized as a large protein precursor (containing 390 amino acids) that was proteolytically processed to produce a mature peptide of 112 amino acids (5). TGFβ activation from latency is controlled both spatially and temporally, by multiple pathways that include actions of proteases such as plasmin and MMP9, and/or by thrombospondin 1 or selected integrins (5, 6). Although different isoforms of TGFβ are naturally associated with their own distinct LAPs, the TGFβ1 LAP is capable of complexing with, and inactivating, all other Equine TGFβ isoforms and those of most other species (7). Mutations within the LAP are associated with Camurati Engelmann disease, a rare sclerosing bone dysplasia characterized by inappropriate presence of active TGFβ1 (8).

References

  1. Assoian R, et al. (1983). J Biol Chem 258 (11): 7155.
  2. Dunker, N. and K. Krieglstein (2000) Eur. J. Biochem.267:6982.
  3. Wahl, S.M. (2006) Immunol. Rev. 213:213.
  4. Chang, H. et al. (2002) Endocr. Rev. 23:787.
  5. Derynck, R. et al. (1985) Nature 316:701.
  6. Oklu, R. and R. Hesketh (2000) Biochem. J. 352:601.
  7. Miller, D.M. et al. (1992) Mol. Endocrinol. 6:694.
  8. Janssens, K. et al. (2003) J. Biol. Chem. 278:7718.

 

 

 

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