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Molecular organisation of cell–matrix contacts: essential multiprotein assemblies in cell and tissue function

Published online by Cambridge University Press:  13 February 2004

Josephine Clare Adams
Affiliation:
MRC Laboratory for Molecular Cell Biology and Department of Biochemistry and Molecular Biology, University College London, Gower Street, London, WC1E 6BT, UK.

Abstract

The adhesion of cells to their surrounding extracellular matrix has vital roles in embryonic development, inflammatory responses, wound healing and adult tissue homeostasis. Cells attach to extracellular matrix by specific cell-surface receptors, of which the integrins and transmembrane proteoglycans are major representatives. The engagement of adhesion receptors triggers assembly of functional matrix contacts, in which bound matrix components, adhesion receptors and associated intracellular cytoskeletal and signalling molecules form large, localised multiprotein complexes. This review discusses the functional categories of matrix contacts, examples of the biological roles of matrix contacts in normal physiology, and examples of the ways in which abnormalities of matrix contacts are associated with major human diseases.

Type
Review Article
Copyright
© Cambridge University Press 2002

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