Abstract
The circadian clock orchestrates intrinsic timing in most organisms and controls a large variety of physiological and metabolic programs. In my presentation “The Year in Circadian Rhythms” at the Endocrine Society meeting (San Diego, June 2010) I reviewed some of the recent spectacular developments of the field. The exceptional interest that circadian rhythms have suscitated during the past two decades has caused a remarkable increase in the number of researchers and of committed resources dedicated to the field. This has also generated the promise of potentially novel pharmacological strategies. Indeed, specific molecular pathways of circadian regulation have been recently linked to endocrine and metabolic control, as well as cell cycle and proliferation. Importantly, circadian gene expression involves an important proportion of cellular genes, underscoring the role played by dynamic mechanisms of chromatin remodeling. This suggests that the circadian machinery could have evolved as a privileged molecular interface between cellular metabolism and epigenetic control. (Molecular Endocrinology 24: 2081–2087, 2010)
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