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Sci. STKE, 17 May 2005 EDITORS' CHOICEPHYSIOLOGY Round-the-Clock MetabolismThe behavior of most organisms is organized around a 24-hour cycle. One of the key molecular regulators of this circadian rhythmicity is a transcription factor called CLOCK. Mice carrying a mutation in the Clock gene show profound disturbances in circadian behavior. Turek et al. now show that these Clock mutant mice also overeat, become overweight, and develop features of metabolic syndrome, including elevated serum levels of glucose and lipids. The metabolic disturbances were accompanied by alterations in the expression of neuropeptides implicated in appetite control and energy balance. F. W. Turek, C. Joshu, A. Kohsaka, E. Lin, G. Ivanova, E. McDearmon, A. Laposky, S. Losee-Olson, A. Easton, D. R. Jensen, R. H. Eckel, J. S. Takahashi, J. Bass, Obesity and metabolic syndrome in circadian Clock mutant mice. Science 308, 1043-1045 (2005). [Abstract] [Full Text]
Citation: Round-the-Clock Metabolism. Sci. STKE 2005, tw192 (2005). The editors suggest the following Related Resources on Science sites:In Science Signaling
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