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CCN proteins: multifunctional signalling regulators.
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Abstract
Although little is known as yet about the processes that coordinate cell-signalling pathways, matrix proteins are probably major players in this type of global control. The CCN (cyr61, ctgf, nov) proteins are an important family of matricellular regulatory factors involved in internal and external cell signalling. This family participates in angiogenesis, chondrogenesis, and osteogenesis, and they are probably involved in the control of cell proliferation and differentiation.