ArticleeLife2025
Rho-ROCK liberates sequestered claudin for rapid de novo tight junction formation.
Article in eLife, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Tight junction structure, assembly and (dys)function.Nature reviews. Molecular cell biology · 2026Review
- Tobacco smoke but not e-cigarette vapor induces epithelial barrier disruption, inflammation, and DNA damage in human Calu-3 cells.Scientific reports · 2026Article
- PAK4 promotes vertex remodeling to maintain epithelial integrity and barrier function.bioRxiv : the preprint server for biology · 2025Article
- Na,K-ATPase mediated and cardiotonic induced signaling in health and disease.Frontiers in physiology · 2025Review
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Authors and funding
4 authors.
Funding
Abstract
The epithelial cell sheet maintains its integrity as a barrier while undergoing turnover of constituent cells. To sustain the barrier continuously, it's essential to preserve the 'old' tight junctions (TJs) between cells being excluded from the sheet and their neighbors while simultaneously forming de novo TJs between newly adjacent cells. However, the molecular mechanisms involved in the formation of de novo TJs remain largely unknown. This study investigates two scenarios: the formation of de novo TJs during the removal of apoptotic cells from mouse monolayer epithelial sheets and during the differentiation of the granular layer in mouse stratified epidermis. We revealed that rapid claudin assembly is achieved by actively regulating the dissociation of the EpCAM/TROP2-claudin complex in both situations. Furthermore, we found that the Rho-ROCK pathway initiates the activation of matriptase, which cleaves EpCAM/TROP2, resulting in the supply of polymerizable claudin from the stockpiled EpCAM/TROP2-claudin complex at the plasma membrane to induce rapid de novo TJ formation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.