Protease-activated receptor 1 (PAR1) allows platelets and blood endothelial cells to respond to coagulation. Research in mouse models has uncovered a new role for PAR1 — enabling pulmonary collecting lymphatics to transform their intercellular junctions from ‘zippers’ into ‘buttons’ for additional interstitial fluid drainage during acute lung injury.
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Cleary, S.J. Collecting lymphatics unzip to drain injured lungs. Nat Cardiovasc Res 4, 959–961 (2025). https://doi.org/10.1038/s44161-025-00682-6
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DOI: https://doi.org/10.1038/s44161-025-00682-6