Intracellular potassium levels orchestrate circadian rhythmicity and cell division

May 22, 2026Nature communications

Inside-cell potassium levels control daily rhythms and cell growth

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Abstract

Intracellular potassium levels regulate the period and phase of clock gene expression rhythms.

  • Disruption of circadian rhythms is associated with increased risks of infectious diseases, metabolic disorders, and cancer.
  • Potassium concentrations influence the timing of cellular circadian rhythms and cell cycle events.
  • Manipulating potassium levels inhibits cell proliferation in a manner that depends on the circadian phase.
  • Potassium rhythms are essential for maintaining the connection between circadian and cell proliferation rhythms.
  • This research establishes potassium as a key factor linking cellular processes to circadian cycles.

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