Recombinant Human Trefoil Factor-3 是一种参与胃肠道黏膜保护和修复的调节肽。 Synonyms rHuTFF-3; ITF; TFI ; 重组人三叶肽因子3 Species HumanSource E. coli Accession Q07654 Gene ID 7033 Molecular Weight Approximately 6.6 kDa AA Sequence EEYVGLSANQ CAVPAKDRVD CGYPHVTPKE CNNRGCCFDS RIPGVPWCFK PLQEAECTF Biological Activity The ED50 is <10 μg/mL as measured by human MCF-7 cells, corresponding to a specific activity of >100 units/mg. Appearance Lyophilized powder. Formulation Lyophilized after extensive dialysis against PBS, pH 7.4. Endotoxin Level <1 EU/μg, determined by LAL method. Reconstitution Reconstitute the lyophilized recombinant Human Trefoil Factor-3 (rHuTFF-3) to 0.1-1.0 mg/mL using sterile distilled water or aqueous buffer containing 0.1% BSA. Storage & Stability Lyophilized recombinant Human Trefoil Factor-3 (rHuTFF-3) is stored at -20°C. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer. It is recommended to freeze aliquots at -20°C or -80°C for extended storage. Shipping Room temperature in continental US; may vary elsewhere. Background Human Trefoil Factor-3 is a regulatory peptide involved in mucosal protection and repair in the gastrointestinal tract. TFF3 is predominantly present in the mucous cells of the small and large intestine. TFF3 also has potential therapeutic role of in NEC[1]. |