Fibronectin: The biological velcro

This brief review of the salient structural and physiological properties of Fn might leave the impression that this essential glycoprotein leads a Jekyll-and-Hyde existence. In a positive sense, Fn is the foundation of the interstitial matrix and moderates cellular adhesion, migration, and growth as well as maintaining the integrity of basement membranes and mucosal surfaces.

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https://www.sciencedirect.com/science/article/abs/pii/0196439989900676