Trefoil Factor 3, Recombinant, Human (TFF-3)

Catalog No : USB-361360
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Product name Trefoil Factor 3, Recombinant, Human (TFF-3)
Catalog No USB-361360
Supplier’s Catalog No 361360
Supplier US Biologicals
Source antigen Recombinant, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight 6.5
Storage -20°C
Other names
Grade Highly Purified
Purity ~95% (SDS-PAGE, HPLC)
Form Supplied as a lyophilized powder in PBS, pH 7.4. Reconstitute with sterile dH2O, 0.1% BSA to 0.1-1mg/ml.
Reactivity life 6 months
Note For reserch purpose only
Purity ~95% (SDS-PAGE, HPLC)
Description The Trefoil Factor peptides (TFF1, TFF2 and TFF3) are secreted in the gastrointestinal tract, and appear to play an important role in intestinal mucosal defense and repair. TFF-3 is expressed by goblet cells and in the uterus, and has also been shown to express in certain cancers, including colorectal, hepatocellular, and in biliary tumors. TFF3 may be useful as a molecular marker for certain types of cancer, but its role, if any, in tumorigenesis is unknown. TFF3 also promotes airway epithelial cell migration and differentiation. Source: Recombinant protein corresponding to human Trefoil Factor 3, a single non-glycosylated polypeptide chain containing 59aa expressed in E. coli. Molecular Weight: ~6.5kD (59aa) Applications: Suitable for use in SDS-PAGE. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Biological Activity: Determined by its ability to chemoattract human MCF-7 cells using a concentration range of 1-10ug/ml. Endotoxin: <1EU/ug (LAL) AA Sequence: EEYVGLSANQ CAVPAKDRVD CGYPHVTPKE CNNRGCCFDS RIPGVPWCFK PLQEAECTF Storage and Stability: Lyophilized powder may be stored at -20°C. Reconstitute with sterile dH2O, 0.1% BSA. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.