ArticleInternational journal of molecular sciences2025
Effective Restoration of Gastric and Esophageal Tissues in an In Vitro Model of GERD: Mucoadhesive and Protective Properties of Xyloglucan, Pea Proteins, and Polyacrylic Acid.
Article in International journal of molecular sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Esophageal barrier dysfunction is a crucial pathophysiological mechanism of gastroesophageal reflux disease (GERD). However, treatments mainly aim to reduce gastric acidity rather than improve tissue integrity. This study evaluated the protective and mucoadhesive properties of a formulation containing xyloglucan, pea proteins, and polyacrylic acid (XPPA) in gastric and esophageal cells. Cells were exposed to hydrochloric acid (HCl) and subsequently treated with the test compound. Trans-epithelial electrical resistance (TEER), tight junction (TJ) expression, and mucoadhesion of XPPA on gastric and esophageal cells were evaluated. To further confirm the protective ability of XPPA, a Lucifer Yellow assay was performed on a human reconstructed esophageal epithelium to assess the ability of XPPA to prevent HCl-induced hyperpermeability. XPPA possesses noteworthy mucoadhesive properties, ensuring an extended contact time between the product and the damaged mucosa to allow sustained mucosal protection. Furthermore, XPPA effectively restored gastroesophageal barrier integrity after HCl-induced damage, as assessed with TEER, after 1 h (
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