| Code | CSB-AP000361HU |
| Abbreviation | Recombinant Human TFF3 protein (Active) |
| MSDS | |
| Size | $142 |
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TFF3 plays a critical role in mucosal epithelial restitution and cell migration, making validated chemotactic activity essential for meaningful functional studies. This tag-free recombinant human TFF3, spanning the full-length mature protein (aa 22–80), demonstrates an ED50 of less than 10 μg/ml in MCF-7 chemotaxis bioassays, corresponding to a specific activity exceeding 100 IU/mg—providing a reliable positive control or stimulus for cell migration and wound-healing scratch assays. Expressed in *E. coli*, the protein retains its compact trefoil domain structure without glycosylation interference, which supports use in binding assays investigating TFF3 receptor interactions and in signal transduction studies examining downstream pathway activation. Purity exceeding 97% by SDS-PAGE combined with endotoxin levels below 1.0 EU/μg satisfies the criteria typical for functional cell-based assays where endotoxin-driven artifacts could otherwise confound migration or proliferation readouts.
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