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Human TFF3 Quantikine ELISA Kit

Bio-Techne includes R&D Systems | Catalog # DTFF30

Catalog #
Size / Price

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Key Product Details

Assay Length

4.5 hours

Sample Type & Volume Required Per Well

Cell Culture Supernates (50 µL), Serum (10 µL), EDTA Plasma (10 µL), Heparin Plasma (10 µL), Saliva (10 µL), Urine (10 µL)


13.1 pg/mL

Assay Range

39-2500 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Saliva, Urine)

Product Summary for Human TFF3 Quantikine ELISA Kit

The Quantikine Human TFF3 Immunoassay is a 4.5 hour solid-phase ELISA designed to measure human TFF3 in cell culture supernates, serum, plasma, saliva, and urine. It contains CHO cell-expressed recombinant human TFF3 and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human TFF3 showed linear curves that were parallel to the standard curves obtained using the Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for naturally occurring human TFF3.

Product Specifications

Assay Type

Solid Phase Sandwich ELISA


96-well strip plate


Quantitative ELISA

Detection Method

Colorimetric - 450nm (TMB)






Natural and recombinant human Trefoil Factor 3 (TFF3)


< 0.5% cross-reactivity observed with available related molecules. < 50% cross-species reactivity observed with species tested.


No significant interference observed with available related molecules.


Intra-Assay Precision (Precision within an assay) Three samples of a known concentration were tested on one plate to assess intra-assay precision.

Inter-Assay Precision (Precision between assays) Three samples of a known concentration were tested in separate assays to determine inter-assay precision. Assays were performed by at least three technicians using two lots of kit components.

Cell Culture Supernates, EDTA Plasma, Heparin Plasma, Saliva, Serum, Urine

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 4 4 4 4 4 4
Mean (pg/mL) 276 849 1684 286 894 1712
Standard Deviation 6.01 9.13 37.4 18.3 44.0 95.9
CV% 2.2 1.1 2.2 6.4 4.9 5.6

Recovery for Human TFF3 Quantikine ELISA Kit

The recovery of human TFF3 spiked to levels throughout the range of the assay was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Supernates (n=4) 100 90-114


To assess the linearity of the assay, samples containing high concentrations of human TFF3 were serially diluted with Calibrator Diluent to produce samples with values within the dynamic range of the assay.

Human TFF3 ELISA Linearity

Scientific Data Images for Human TFF3 Quantikine ELISA Kit

Human TFF3 ELISA Standard Curve

Human TFF3 ELISA Standard Curve

Preparation and Storage


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

Stability & Storage

Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: TFF3

TFF3 (Trefoil Factor 3), also known as ITF and P1.B, is a peptide that plays an important role in epithelial regeneration and wound healing. It can form disulfide-linked dimers or associate into disulfide-linked complexes with the intestinal mucous proteins FCGBP and MUC-2. TFF3 is expressed by epithelial goblet cells in the respiratory tract, biliary and breast ducts, small and large intestine, and cardia of the stomach as well as by chondrocytes during bone development. TFF3 is upregulated in response to gastrointestinal epithelial disruptions and promotes epithelial wound healing. It enhances tumor cell invasion and metastasis by supporting hypoxia-induced VEGF upregulation.

Long Name

Trefoil Factor 3

Alternate Names


Entrez Gene IDs

7033 (Human); 21786 (Mouse); 25563 (Rat)

Gene Symbol


Additional TFF3 Products

Product Documents for Human TFF3 Quantikine ELISA Kit

Certificate of Analysis

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

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human TFF3 Quantikine ELISA Kit

For research use only


⚠ WARNING: This product can expose you to chemicals including N,N-Dimethylforamide, which is known to the State of California to cause cancer. For more information, go to