|Sample Type:||cell culture supernates, cell lysates, tissue homogenates, serum and plasma (heparin, EDTA).|
Data & Images
|Product Name||Human TFF1 PicoKine™ ELISA Kit|
|Description||Sandwich High Sensitivity ELISA kit for Quantitative Detection of Human TFF1|
|Cite This Product||Human TFF1 PicoKine™ ELISA Kit (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1232)|
*Our Boster Guarantee covers the use of this product in the above tested applications.
**For positive and negative control design, consult "Tissue specificity" under Protein Target Info.
|Immunogen||Expression system for standard: E.coli; Immunogen sequence: E25-F84|
|Cross Reactivity||There is no detectable cross-reactivity with other relevant proteins.|
*Sensitivity, or Lower Limit of Detection (LLD), is the minimum level of target protein the ELISA assay can detect. We measure 20 blank wells and if the O.D. value is 2 standard deviations higher than the blanks' average O.D. the sample can be deemed positive.
*This assay range is determined using common samples. For samples with low target protein concentrations, users can adjust the standard curve to extend the lower limit of assay range.
|Sample Type||cell culture supernates, cell lysates, tissue homogenates, serum and plasma (heparin, EDTA).
*The above listed samples are the ones valided with the assay. If you do not see your sample of interest listed, as long as there is enough level of target protein present in the sample, this Picokine™ ELISA kit should detect it.
**For protocol and tips regarding preparing your sample of interest, please check our ELISA sample preparation guide.
|Capture Antibody||monoclonal antibody from mouse|
|Detection Antibody||polyclonal antibody from goat|
|Natural Levels||Some research articles suggesting the natural levels of TFF1 are listed below:|
|Storage||Store at 4˚C for 6 months, at -20˚C for 12 months. Avoid multiple freeze-thaw cycles(Shipped with wet ice.)|
|EK1232-CAP||96-well plate precoated with anti-Human TFF1 antibody||1|
|EK1232-ST||lyophilized recombinant Human TFF1 standard||1ng/tubex2|
|EK1232-DA||biotinylated anti-Human TFF1 antibody||130ul(dilution 1:100)|
|AR1103||Avidin-Biotin-Peroxidase Complex(ABC)||130ul(dilution 1:100)|
|AR1106-1||sample diluent buffer||30ml|
|AR1106-2||antibody diluent buffer||12ml|
|AR1106-3||ABC diluent buffer||12ml|
|AR1104||TMB color developing agent||10ml|
|AR1105||TMB stop solution||10ml|
*Additional components can be purchased. If you need extra of the above components please order them together to avoid additional shipping charges.See Prices For Extra Components
Material Required But Not Provided
- 1. Microplate reader in standard size.
- 2. Automated plate washer.
- 3. Adjustable pipettes and pipette tips. Multichannel pipettes are recommended in the condition of large amount of samples in the detection.
- 4. Clean tubes and Eppendorf tubes.
- 5. Washing buffer (neutral PBS or TBS).
- Preparation of 0.01M TBS: Add 1.2g Tris, 8.5g Nacl; 450μl of purified acetic acid or 700μl of concentrated hydrochloric acid to 1000ml H2O and adjust pH to 7.2-7.6. Finally, adjust the total volume to 1L.
- Preparation of 0.01 M PBS: Add 8.5g sodium chloride, 1.4g Na2HPO4 and 0.2g NaH2PO4 to 1000ml distilled water and adjust pH to 7.2-7.6. Finally, adjust the total volume to 1L.
Protein Target Info (Source: Uniprot.org)
You can check the tissue specificity below for information on selecting positive and negative control.
|Protein Name||Trefoil factor 1|
|Molecular Weight||9150 MW|
|Protein Function||Stabilizer of the mucous gel overlying the gastrointestinal mucosa that provides a physical barrier against various noxious agents. May inhibit the growth of calcium oxalate crystals in urine. .|
|Tissue Specificity||Found in stomach, with highest levels in the upper gastric mucosal cells (at protein level). Detected in goblet cells of the small and large intestine and rectum, small submucosal glands in the esophagus, mucous acini of the sublingual gland, submucosal glands of the trachea, and epithelial cells lining the exocrine pancreatic ducts but not in the remainder of the pancreas (at protein level). Scattered expression is detected in the epithelial cells of the gallbladder and submucosal glands of the vagina, and weak expression is observed in the bronchial goblet cells of the pseudostratified epithelia in the respiratory system (at protein level). Detected in urine (at protein level). Strongly expressed in breast cancer but at low levels in normal mammary tissue. It is regulated by estrogen in MCF-7 cells. Strong expression found in normal gastric mucosa and in the regenerative tissues surrounding ulcerous lesions of gastrointestinal tract, but lower expression found in gastric cancer (at protein level). .|
|Sequence Similarities||Contains 1 P-type (trefoil) domain.|
|Subcellular Localization||Secreted .|
|Alternative Names||Trefoil factor 1;Breast cancer estrogen-inducible protein;PNR-2;Polypeptide P1.A;hP1.A;Protein pS2;TFF1;BCEI, PS2;|
|Research Areas|||signal transduction|signaling pathway|nuclear signaling|nuclear hormone receptors|estrogen||
Background for Trefoil factor 1
Human TFF1 PicoKine™ ELISA Kit Images
Click the images to enlarge.
Intra/Inter Assay Precision
|Intra-Assay Precision||Inter-Assay Precision|
Typical Data Obtained from Human TFF1 PicoKine™ ELISA Kit
(TMB reaction incubate at 37°C for 25-30min)
*The typical data is obtained from Boster's internal QC result and for reference only. It may differ from the lab test results of the end users. It is more important that the user's lab test results reflect the same linearity demonstrated in the typical data than achieving exactly the same O.D. values.
- Review by Lu Yang
"Competitively priced and worked"
--Lu Yang, UCSD, CMMW, GRADUATE STUDENT
Applications Protein level screen Sample Cell culture media from MCF7 cells Detection --
"The TFF1 ELISA kit from Boster was competitively priced and worked with cell culture media taken from MCF7 cells, a human mammary carcinoma which is well known for overexpression of the TFF1 protein. The kit is very sensitive, detecting TFF1 protein at levels of 10pg/mL. The kit is saturated about 1mg/mL, so in my case, a 1 to 100 dilution of cell culture media was needed in order to be in the linear range of the assay. Good ELISA kit for human TFF1 protein. Worked as advertised."