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Studying Receptor-mediated cell adhesion at the single molecule level: Surface-bound adhesion receptors

Abstract : Cell adhesion is essentially mediated by specific interactions between membrane receptors and ligands. It is now apparent that the mere knowledge of the on- and off-rate of association of soluble forms of these receptors and ligands is not sufficient to yield accurate prediction of cell adhesive behavior. During the last few years, a variety of complementary techniques relying on the use of hydrodynamic flow, atomic force microscopy, surface forces apparatus or soft vesicles yielded accurate information on i) the dependence of the lifetime of individual bonds on applied forces and ii) the distance dependence of the association rate of bound receptors and ligands. The purpose of this review is, first to recall the physical significance of these parameters, and second to describe newly obtained results. It is emphasized that molecular size and flexibility may be a major determinant of the efficiency of receptor mediated adhesion, and this cannot be studied by conventional methods dealing with soluble molecules.
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https://www.hal.inserm.fr/inserm-00358477
Contributor : Pierre Bongrand <>
Submitted on : Tuesday, February 3, 2009 - 3:32:20 PM
Last modification on : Wednesday, August 19, 2020 - 12:08:08 PM
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  • HAL Id : inserm-00358477, version 1
  • PUBMED : 9789685

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Anne Pierres, Anne-Marie Benoliel, Pierre Bongrand. Studying Receptor-mediated cell adhesion at the single molecule level: Surface-bound adhesion receptors. Cell Communication and Adhesion, Taylor & Francis, 1998, 5, pp.375. ⟨inserm-00358477⟩

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