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Index / Biovend / Trefoil factor 1 (pS2 protein, PNR-2, TFF1) Rec. Prot. /Product Detail : RD172158100 Trefoil factor 1 (pS2 protein, PNR-2, TFF1) Rec. Prot.
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Trefoil factor 1 (pS2 protein, PNR-2, TFF1) Rec. Prot.

 Price: 410   EUR
466   USD
318   GBP

Product name : Trefoil factor 1 (pS2 protein, PNR-2, TFF1) Rec. Prot.

Catalog number : RD172158100

Quantity: 0.1 mg

Availability: Yes

Supplier name : Biovend

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Trefoil factor 1 (TFF1, pS2) is a small secreted protein with molecular weight of 6.5 kDa (monomers, 14 kDa – dimers). It belongs to the TFF protein family that is characterized by a clover leaf just like the disulphide structure named the TFF domain. TFF1 contains one trefoil domain, but has a seventh cysteine in position 57 that is essential for formation of dimers. TFF1 exist as both monomers and dimers (homo- and heterodimers – with gastrokine 2). The most abundant expression of TFF1 is found in the GI tract (especially in stomach, colon and pancreas) where it is co-localised with mucins, usually with MUC5AC. It is probable that TFF1 is closely connected with healing and stabilisation of the mucin layer. TFF1 was found in significant amounts in ulcer associated cell lineage UACL, where EGF (epidermal growth factor) is also present. The hypothesis that TFF1 expression is influenced by EGF has been proposed, and this has been supported by a study on EGF KO mice, which discovered lower levels of TFF1. A study examining people with Crohn´s disease and inflammatory bowel disease showed that TFF1 level in serum is increased during the inflammatory state. TFF1 is also highly expressed in the trachea and its level increases after administration of allergen, indicating that TFF1 could be related to asthma. Another study found that TFF1 levels are high in septic patients and that the level correlates with prognosis of the septic state. High levels of TFF1 in serum were also found in patients with prostate and other types of cancer (breast, colon and ovarian tumors) but its prognostic value has not yet been proved. The exact function of TFF1 is not yet fully understood.

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