Clipping EpCAM to release Claudin-7 for the greater good of the epithelial barrier.
The Journal of cell biology(2023)
摘要
Maintenance of epithelial barrier function requires dynamic repair and remodeling of tight junctions. In this issue, Higashi et al. (2022. J. Cell Biol.https://doi.org/10.1083/jcb.202204079) demonstrate that the proteolytic cleavage of EpCAM by membrane-anchored serine proteinases releases Claudin-7 to join tight junctions, suggesting a novel mechanism that couples sensing with repair of damaged tight junctions.
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