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[Circadian rhythm disturbances and neurodevelopmental disorders].

Deng-Feng Liu1, Yi-Chun Zhang1, Jia-Da Li1

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Sheng Li Xue Bao : [Acta Physiologica Sinica]
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Circadian rhythm disruptions and clock gene mutations contribute to neurodevelopmental disorders (NDDs) like autism and ADHD, impacting cognitive and emotional health. Targeting the circadian system offers potential new treatments for these conditions.

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Area of Science:

  • Neuroscience
  • Genetics
  • Sleep Medicine

Background:

  • Neurodevelopmental disorders (NDDs), including autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), and intellectual developmental disorder (IDD), are common and lack effective treatments.
  • Sleep disturbances are frequently observed in NDDs, correlating with disease severity and treatment response.
  • Emerging evidence links circadian rhythm disruptions and mutations in circadian clock genes to NDD pathogenesis.

Purpose of the Study:

  • To review the mechanisms connecting circadian rhythm disturbances and clock gene mutations to cognitive, behavioral, and emotional deficits in NDDs.
  • To explore the role of dopamine system dysregulation in these NDD-related symptoms.
  • To discuss the therapeutic potential of targeting the circadian system for NDD treatment.

Main Methods:

  • Literature review of studies on circadian rhythms, clock genes, and neurodevelopmental disorders.
  • Analysis of research focusing on the interplay between circadian dysregulation and dopamine pathways.
  • Synthesis of evidence regarding therapeutic strategies targeting the circadian system.

Main Results:

  • Circadian rhythm disruptions and clock gene mutations are implicated in the pathophysiology of NDDs.
  • These disruptions can lead to dysregulation of the dopamine system, contributing to NDD symptoms.
  • The circadian system presents a promising target for novel therapeutic interventions.

Conclusions:

  • Circadian rhythm dysregulation is a significant factor in the development and manifestation of NDDs.
  • Understanding these mechanisms, particularly dopamine system involvement, is crucial for therapeutic development.
  • Targeting the circadian system offers a novel and potentially effective approach for treating NDDs.