Transport features, reaction kinetics and receptor biomechanics controlling selectin and integrin mediated cell adhesion

The distinct and overlapping roles of adhesion molecules belonging to the selectin and integrin families control the rate of leukocyte adhesion to stimulated vascular endothelial cells under hydrodynamic shear flow. Crystal structures have appeared for some of these interactions which complement mol...

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Bibliographic Details
Published inCell communication & adhesion Vol. 11; no. 1; p. 35
Main Author Neelamegham, Sriram
Format Journal Article
LanguageEnglish
Published England 01.01.2004
Subjects
Binding Sites
Biological Transport - physiology
Cell Adhesion - physiology
Cell Adhesion Molecules - physiology
Endothelial Cells - physiology
Humans
Integrins - chemistry
Integrins - physiology
Kinetics
Leukocyte Rolling - physiology
Leukocytes - physiology
Ligands
Models, Biological
Protein Binding
Selectins - chemistry
Selectins - physiology
Surface Plasmon Resonance - methods
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Summary:The distinct and overlapping roles of adhesion molecules belonging to the selectin and integrin families control the rate of leukocyte adhesion to stimulated vascular endothelial cells under hydrodynamic shear flow. Crystal structures have appeared for some of these interactions which complement molecular biology experiments, and clarify the molecular mechanism of the receptor-ligand binding interactions. Binding affinity data have also appeared using surface plasmon resonance and single-molecule biophysics experiments. These studies confirm and extend the predictions of previous experiments carried out in parallel-plate flow chambers, and cone and plate viscometers. This review discusses the current state of understanding on how molecular bond formation rates coupled with cellular and hydrodynamic features regulate leukocyte binding to endothelial cells.
ISSN:1541-9061
DOI:10.1080/15419060490471793