ArticleBMC gastroenterology2019
In-depth characterization of the Wnt-signaling/β-catenin pathway in an in vitro model of Barrett's sequence.
Article in BMC gastroenterology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 15 citations in OpenAlex.
- Single-cell and bulk omics uncover fibroblast heterogeneity and HSPH1 as a key driver in Barrett's esophagus to esophageal adenocarcinoma progression.Cancer cell international · 2026Article
- A novel variant p.Y250C of FZD4 influences Norrine/β-catenin signaling pathway that associates with familial exudative vitreoretinopathy (FEVR).Scientific reports · 2026Article
- Worldwide Impact of Upper Gastrointestinal Disease in Familial Adenomatous Polyposis.Diagnostics (Basel, Switzerland) · 2025Review
- The role of the fibroblast in Barrett's esophagus and esophageal adenocarcinoma.Current opinion in gastroenterology · 2024Review
- Analysis of immune related gene expression profiles and immune cell components in patients with Barrett esophagus.Scientific reports · 2022Article
- Barrett's Metaplasia Progression towards Esophageal Adenocarcinoma: An Attempt to Select a Panel of Molecular Sensors and to Reflect Clinical Alterations by Experimental Models.International journal of molecular sciences · 2022Article
- LIGHT controls distinct homeostatic and inflammatory gene expression profiles in esophageal fibroblasts via differential HVEM and LTβR-mediated mechanisms.Mucosal immunology · 2022Article
- Cancer chemoprevention through Frizzled receptors and EMT.Discover oncology · 2021Review
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Authors and funding
14 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundAn altered Wnt-signaling activation has been reported during Barrett's esophagus progression, but with rarely detected mutations in APC and β-catenin (CTNNB1) genes.
methodsIn this study, a robust in-depth expression pattern analysis of frizzled receptors, co-receptors, the Wnt-ligands Wnt3a and Wnt5a, the Wnt-signaling downstream targets Axin2, and CyclinD1, as well as the activation of the intracellular signaling kinases Akt and GSK3β was performed in an in vitro cell culture model of Barrett's esophagus. Representing the Barrett's sequence, we used normal esophageal squamous epithelium (EPC-1, EPC-2), metaplasia (CP-A) and dysplasia (CP-B) to esophageal adenocarcinoma (EAC) cell lines (OE33, OE19) and primary specimens of squamous epithelium, metaplasia and EAC.
resultsA loss of Wnt3a expression was observed beginning from the metaplastic cell line CP-A towards dysplasia (CP-B) and EAC (OE33 and OE19), confirmed by a lower staining index of WNT3A in Barrett's metaplasia and EAC, than in squamous epithelium specimens. Frizzled 1-10 expression analysis revealed a distinct expression pattern, showing the highest expression for Fzd2, Fzd3, Fzd4, Fzd5, Fzd7, and the co-receptor LRP5/6 in EAC cells, while Fzd3 and Fzd7 were rarely expressed in primary specimens from squamous epithelium.
conclusionDespite the absence of an in-depth characterization of Wnt-signaling-associated receptors in Barrett's esophagus, by showing variations of the Fzd- and co-receptor profiles, we provide evidence to have a significant role during Barrett's progression and the underlying pathological mechanisms.
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