ArticleProceedings of the National Academy of Sciences of the United States of America2012
Rho GTP exchange factor ARHGEF11 regulates the integrity of epithelial junctions by connecting ZO-1 and RhoA-myosin II signaling.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.
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Who cites it
49 citing papers in PubMed, 91 citations in OpenAlex.
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- Molecular alterations associated with pathophysiology in liver-specific ZO-1 and ZO-2 knockout mice.Cell structure and function · 2024Article
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- Toll-like receptor signalling via IRAK4 affects epithelial integrity and tightness through regulation of junctional tension.Development (Cambridge, England) · 2023Article
- Extracellular Matrix Protein-1 as a Mediator of Inflammation-Induced Fibrosis After Myocardial Infarction.JACC. Basic to translational science · 2023Article
- Storming the gate: New approaches for targeting the dynamic tight junction for improved drug delivery.Advanced drug delivery reviews · 2023Review
- Cingulin binds to the ZU5 domain of scaffolding protein ZO-1 to promote its extended conformation, stabilization, and tight junction accumulation.The Journal of biological chemistry · 2022Article
- Rho and Rab Family Small GTPases in the Regulation of Membrane Polarity in Epithelial Cells.Frontiers in cell and developmental biology · 2022Review
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- Cytoplasmic pressure maintains epithelial integrity and inhibits cell motility.Physical biology · 2021Article
- AMOTL2 mono-ubiquitination by WWP1 promotes contact inhibition by facilitating LATS activation.Life science alliance · 2021Article
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- A microtubule-LUZP1 association around tight junction promotes epithelial cell apical constriction.The EMBO journal · 2021Article
- Der p 1 Disrupts the Epithelial Barrier and Induces IL-6 Production in Patients With House Dust Mite Allergic Rhinitis.Frontiers in allergy · 2021Article
- ARHGEF18/p114RhoGEF Coordinates PKA/CREB Signaling and Actomyosin Remodeling to Promote Trophoblast Cell-Cell Fusion During Placenta Morphogenesis.Frontiers in cell and developmental biology · 2021Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The organization of the apical junctional complex and its association with the cytoskeleton is essential for the function of epithelial cells. However, knowledge about the signaling pathways that regulate these processes is still fragmentary. Here we found that ARHGEF11, a member of the RGS-RhoGEF family, associates with tight junctions (TJs) by binding to ZO-1, but not to the highly homologous ZO-2, in polarized epithelial cells. In the early phases of cell-cell contact, ARHGEF11 was located at primordial adherens junctions, and then its localization was altered to TJs as epithelial polarity was established, much like ZO-1. Knockdown of ARHGEF11 reduced the phosphorylation of myosin light chain, retarding the assembly of cell-cell junctions and the development of the paracellular barrier. Furthermore, the simultaneous knockdown of ARHGEF11 and ZO-2 resulted in significant impairment of TJs and of the perijunctional actomyosin ring; similar defects arise when both ZO-1 and ZO-2 are depleted. These results suggest that ARHGEF11 mediates RhoA-myosin light chain signaling pathways at cell-cell junctions, functioning in cooperation with ZO-1, to regulate the paracellular barrier and the organization of the apical junctional complex and perijunctional actomyosin ring of epithelial cells.
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