High-Fat Diet Disrupts Behavioral and Molecular Circadian Rhythms in Mice

Nov 7, 2007Cell metabolism

High-fat diet alters daily behavior and internal body clocks in mice

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Abstract

A high-fat diet in mice alters the function of the mammalian circadian clock.

  • Changes in the period of locomotor activity rhythm were observed following a high-fat diet.
  • High-fat diet consumption led to alterations in the expression and cycling of key circadian clock genes.
  • Nuclear receptors that regulate clock transcription factors were affected by dietary changes.
  • Clock-controlled genes involved in fuel utilization in the hypothalamus, liver, and adipose tissue were also altered.

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