Circadian rhythms, insulin action, and glucose homeostasis

May 10, 2014Current opinion in clinical nutrition and metabolic care

How Body Clocks Affect Insulin Function and Blood Sugar Balance

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Abstract

Circadian misalignment is associated with increased insulin resistance and decreased pancreatic function.

  • Murine studies indicate a mechanistic link between the circadian clock and metabolic disease development.
  • Clock gene polymorphisms and altered expression due to circadian misalignment may contribute to obesity and diabetes in humans.
  • Exposure to light at night is linked to lower nocturnal melatonin levels, which appears to affect glucose metabolism.
  • Potential therapies for circadian misalignment include timed light exposure, melatonin, and restricting food intake to daytime hours.

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