Platelet-derived integrin- and tetraspanin-enriched tethers exacerbate severe inflammation · C. Kusch et al.
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Charly Kusch1†, David Stegner1,2†, Lukas J. Weiss1,3, Paquita Nurden4, Philipp Burkard1, Denise Johnson1, Wolfgang Bergmeier5, Ceylan Onursal1, Stefano Navarro1,2, Christian Hackenbroch1,2, Dennis Pfeiffer1, Sabrina Ivana Bonfiglio1, Mara Meub6, Carina Gross1,2, Joachim Schenk2, Valeria Fumagalli7,8, Kristina Mott1, Markus Bender1, Matteo Iannacone7,8, Oliver Andres9, Wolfgang Kastenmüller10, Katrin G. Heinze2, Markus Sauer2,6, Harald Schulze1, Klaus Ley11, Alan T. Nurden4, Bernhard Nieswandt1,2* Platelet integrin αIIbβ3 is essential for hemostasis, thrombosis, and inflammation. We found that ligation of αIIbβ3 by von Willebrand factor or fibrin under flow triggered its accumulation in plasma membrane extensions or “platelet-derived integrin- and tetraspanin-enriched tethers” (PITTs). PITTs remained anchored to leukocytes or endothelial cells, whereas the partially αIIbβ3-deficient platelet body detached. …
摘自《科学》(Science)第391卷 第6783期 · 2026年1月22日,C. Kusch et al.。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。