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Dev Biol. 2008 Jul 15;319(2):171-8. doi: 10.1016/j.ydbio.2008.04.031. Epub 2008 May 3.

Nitric oxide, C-type natriuretic peptide and cGMP as regulators of endochondral ossification.

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Department of Basic Science and Craniofacial Biology, New York University College of Dentistry, New York, NY 10010, USA.


Coordinated proliferation and differentiation of growth plate chondrocytes is required for endochondral bone growth, but the mechanisms and pathways that control these processes are not completely understood. Recent data demonstrate important roles for nitric oxide (NO) and C-type natriuretic peptide (CNP) in the regulation of cartilage development. Both NO and CNP stimulate the synthesis of cGMP and thus the activation of common downstream pathways. One of these downstream mediators, cGMP-dependent kinase II (cGKII), has itself been shown to be essential for normal endochondral bone formation. This review summarizes our knowledge of the roles and mechanisms of NO, CNP and cGKII signaling in cartilage and endochondral bone development.

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