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Matrix Biol. 2007 Apr;26(3):146-55. Epub 2006 Nov 10.

Mammalian collagen receptors.

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National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK.


Collagen-rich extracellular matrices are abundant and ubiquitous in the mammalian body. Collagens are not only essential for the mechanical stability of tissues, but are also intimately involved in controlling cell behaviour. The hallmark of collagens is a triple helix made up of polypeptide chains containing glycine-X-Y repeats. A structurally and functionally diverse group of cell surface receptors mediates the recognition of triple-helical collagen: integrins, discoidin domain receptors, glycoprotein VI, leukocyte-associated IG-like receptor-1, and members of the mannose receptor family. In this review, we discuss the structure and function of these receptors, focussing on the principles involved in collagen recognition.

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