An observational study on disturbed peripheral circadian rhythms in hemodialysis patients

Marije Russcher, Ines Chaves, Karolina Lech, Birgit C. P. Koch, J. Elsbeth Nagtegaal, Kira F. Dorsman, Anke't Jong, Manfred Kayser, H. (Martijn) J. R. van Faassen, Ido P. Kema, Gijsbertus T. J. van der Horst, Carlo A. J. M. Gaillard

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The quality of life of hemodialysis (HD) patients is hampered by reduced nocturnal sleep quality and excessive daytime sleepiness. In addition to the sleep/wake cycle, levels of circadian biomarkers (e.g. melatonin) are disturbed in end-stage renal disease (ESRD). This suggests impaired circadian clock performance in HD patients, but the underlying mechanism is unknown. In this observational study, diurnal rhythms of sleep, serum melatonin and cortisol concentrations and clock gene mRNA expression are compared between HD patients (n = 9) and healthy control subjects (n = 9). In addition, the presence of circulating factors that might affect circadian rhythmicity is tested in vitro with cell culture experiments. Reduced sleep quality (median sleep onset latency [interquartile range] of 23.9 [17.3] min for patients versus 5.0 [10] minutes for controls, p
Original languageEnglish
Pages (from-to)848-857
Number of pages10
JournalChronobiology International
Volume32
Issue number6
DOIs
Publication statusPublished - Jul 2015
Externally publishedYes

Keywords

  • Circadian clock
  • clock genes
  • clock synchronization
  • cortisol
  • end-stage renal disease
  • hemodialysis
  • melatonin
  • sleep
  • GENE-EXPRESSION
  • MELATONIN
  • CLOCK
  • SLEEP
  • VARIABILITY
  • KIDNEY
  • PERIOD
  • MICE

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