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Circadian Clocks and Metabolism

2013; Springer Science+Business Media; Linguagem: Inglês

10.1007/978-3-642-25950-0_6

1865-0325

Biliana Marcheva, Kathryn Moynihan Ramsey, Clara Bien Peek, Alison H. Affinati, Eléonore Maury, Joseph Bass,

Dietary Effects on Health

Circadian clocks maintain periodicity in internal cycles of behavior, physiology, and metabolism, enabling organisms to anticipate the 24-h rotation of the Earth. In mammals, circadian integration of metabolic systems optimizes energy harvesting and utilization across the light/dark cycle. Disruption of clock genes has recently been linked to sleep disorders and to the development of cardiometabolic disease. Conversely, aberrant nutrient signaling affects circadian rhythms of behavior. This chapter reviews the emerging relationship between the molecular clock and metabolic systems and examines evidence that circadian disruption exerts deleterious consequences on human health.