Journal
FEBS JOURNAL
Volume 273, Issue 11, Pages 2329-2344Publisher
BLACKWELL PUBLISHING
DOI: 10.1111/j.1742-4658.2006.05250.x
Keywords
cell cycle; nitric oxide synthase; nitrosative stress; signalling; S-nitrosylation
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Nitric oxide (NO center dot) has been proposed to be a physiological modulator of cell proliferation, able to promote in most cases cell cycle arrest. In this review I explore the molecular basis of this mechanism of action. The modulatory action of NO center dot on the intracellular concentration of cGMP and the machinery directly involved in the control of cell cycle progression, including the expression and activity of diverse cyclins and cyclin-dependent kinases, their physiological inhibitors, and the master transcriptional regulator retinoblastoma protein, will be discussed. The role of NO center dot in proliferation mediated by tyrosine kinase receptors such as the epidermal growth factor receptor and downstream signalling pathways will also be considered. Finally, the involvement of NO center dot in proliferative processes relevant for normal development will be outlined.
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