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Circadian Entrainment of Drosophila Melanogaster
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Defining chronodisruption.

Thomas C Erren1, Russel J Reiter

  • 1Institute and Policlinic for Occupational and Social Medicine, University of Cologne, Köln, Lindenthal, Germany. tim.erren@uni-koeln.de

Journal of Pineal Research
|February 14, 2009
PubMed
Summary
This summary is machine-generated.

Chronodisruption (CD) is defined as the disruption of circadian rhythms, impacting biological clocks and potentially increasing cancer risk. Further research is needed to clarify its role in epidemic cancers like breast and prostate cancer.

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Area of Science:

  • Chronobiology
  • Cancer Epidemiology
  • Occupational Health

Background:

  • International Agency for Research on Cancer (IARC) classified shift-work with circadian disruption as probably carcinogenic in 2007.
  • Approximately 20% of the global workforce engages in shift work, necessitating investigation into cancer links.
  • Existing literature lacks a clear definition of circadian disruption's role in cancer causation.

Purpose of the Study:

  • To define chronodisruption (CD) and its role in the causal chain linking shift work and time-zone travel to cancer.
  • To provide a framework for future research on CD and its public health implications.
  • To establish melatonin as a key biological intermediary in circadian disruption.

Main Methods:

  • Elaboration of the definition of chronodisruption (CD), contextualized with historical insights.
  • Identification and discussion of "chronodisruptors."
  • Formulation of key research questions for experimental and epidemiological studies.

Main Results:

  • A proposed definition of chronodisruption (CD) is presented, emphasizing disruptions to circadian clocks and rhythms.
  • Melatonin is highlighted as a critical biological intermediary in chronodisruption.
  • The study provides a foundation for investigating the link between CD and epidemic cancers.

Conclusions:

  • Defining chronodisruption (CD) is crucial for advancing research into the background incidence of epidemic internal cancers.
  • Further research is needed to elucidate the mechanisms by which chronodisruption contributes to cancer development.
  • This work aims to provide causal explanations for cancers currently lacking clear etiology.