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J. Cell Biol. 183 (3): 375-376

Copyright © 2008 by the Rockefeller University Press.

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Dances with leukocytes: how tetraspanin-enriched microdomains assemble to form endothelial adhesive platforms

Klaus Ley, and Hong Zhang

Division of Inflammation Biology, La Jolla Institute for Allergy and Immunology, La Jolla, CA 92037

Correspondence to Klaus Ley: klaus{at}liai.org

Abstract: Rather than just providing an unstructured adhesive surface for leukocytes, cytokine-activated endothelial cells assemble preexisting tetraspanin-enriched microdomains to form endothelial adhesive platforms (EAPs) and endothelial docking structures. In this issue of the Journal of Cell Biology, Barreiro et al. (Barreiro, O., M. Zamai, M. Yáñez-Mó, E. Tejera, P. López-Romero, P.N. Monk, E. Gratton, V.R. Caiolfa, and F. Sánchez-Madrid. 2008. J. Cell Biol. 183:527–542) show how the immunoglobulin superfamily adhesion molecules intercellular adhesion molecule (ICAM)–1 and vascular cell adhesion molecule (VCAM)–1 form nanoclusters with the tetraspanins CD9 and CD151 in a physiologically relevant system. Furthermore, convincing biochemical data suggest that these structures are distinct from lipid rafts.

© 2008 Ley and Zhang This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.jcb.org/misc/terms.shtml). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 3.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/3.0/).

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