Circadian clocks in the digestive system

Feb 3, 2021Nature reviews. Gastroenterology & hepatology

Body Clock Rhythms in the Digestive System

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Abstract

Circadian clocks are involved in the regulation of gastrointestinal processes.

  • The master clock in the hypothalamus synchronizes with light-dark cycles and feeding times.
  • Peripheral clocks in the digestive tract influence digestion, motility, hormone levels, and gut barrier function.
  • Circadian rhythms may regulate the gut microbiota and its interactions with the digestive system.
  • Different circadian clocks in the digestive system are implicated in glucose and lipid metabolism.
  • Behavioral adjustments or pharmacological strategies could help mitigate adverse effects of chronodisruption.

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