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  • Trefoil factor protein 3 (TFF3) as a guardian of the urinary bladder epithelium
    Erman, Andreja ...
    Trefoil factor family (TFF) peptides have been examined primarily in the gastrointestinal tract, where they play an important role in the epithelial regeneration. The therapeutic effects of TFFs, ... particularly the TFF3 protein, have been well studied in humans and in animal models of gastrointestinal injury, whereas little is known about their occurrence and function in the urinary bladder. In this study, we investigated the presence, location, and function of Tff3 in the urinary bladders of wild-type mice (Tff3WT) and compared them with Tff3 knockout mice (Tff3KO) using molecular and microscopic methods at the light and electron microscopic level. Our results show that Tff3 is expressed in the superficial cells of the urothelium, where it colocalizes with the uroplakin UP1b as one of the fundamental structural components of the apical plasma membrane, which is an important component of the blood-urine permeability barrier. Analysis of the urothelium with experimentally induced injury revealed that injury is more severe in Tff3KO mice and urothelial regeneration is attenuated compared with Tff3WT mice, suggesting that Tff3 plays a fine-tuned role in homeostasis and protection of the urothelium. This study provides the first data on the precise location and function of Tff3 in the bladder epithelium.
    Vir: The Journal of histochemistry and cytochemistry. - ISSN 0022-1554 (Vol. 72, no. 11/12, 2024, str. 693-709)
    Vrsta gradiva - članek, sestavni del
    Leto - 2024
    Jezik - angleški
    COBISS.SI-ID - 235217411

    Povezava(-e):

    https://journals.sagepub.com/doi/10.1369/00221554241299863?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed
    DOI

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