Dystroglycan, a ubiquitous membrane-spanning cell adhesion molecule, is a crucial link between the actin cytoskeleton and the extracellular matrix. With a wide expression pattern and multiple interacting proteins, not only is dystroglycan now thought to be important as a structural molecule but also new research has suggested that it has a role in cell signalling, cytoskeleton reorganization and as a potential tumour suppressor.

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