Time vortex: the circadian–dopaminergic dialogue in Parkinson’s disease

Jun 9, 2026NPJ Parkinson's disease

Daily rhythms and dopamine interaction in Parkinson's disease

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Abstract

Circadian disruption is a prominent non-motor feature of Parkinson's disease (PD).

  • Circadian disruption is associated with various aspects of Parkinson's disease pathology.
  • It may interact with oxidative stress, inflammation, mitochondrial dysfunction, and proteostasis imbalance.
  • The exact causal role of circadian disruption in Parkinson's disease remains unclear.
  • Circadian parameters could assist in early diagnosis and monitoring of PD.
  • There is potential for circadian-based therapies to improve quality of life for individuals with PD.

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