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Updated: May 10, 2026
06:53
Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures
Published on: November 11, 2016
The circadian system: plasticity at many levels
N I Muraro1, N Pírez, M F Ceriani
1Laboratorio de Genética del Comportamiento, Fundación Instituto Leloir, IIB-BA-CONICET, Buenos Aires, Argentina.
Neuroscience
|June 4, 2013
Summary
The circadian system shows remarkable plasticity, adapting physiology and behavior daily. This review explores structural changes and daily adjustments in clock outputs, highlighting the system's flexibility.
Area of Science:
- Chronobiology
- Neuroscience
- Molecular Biology
Background:
- Circadian rhythms synchronize physiology and behavior with environmental cycles.
- Diverse molecular and cellular processes encode time-of-day information.
- The circadian system exhibits plasticity across multiple levels.
Purpose of the Study:
- To review examples of circadian system plasticity.
- To explore plasticity from cell-autonomous to circuit-based levels.
- To define and exemplify different types of circadian plasticity.
Main Methods:
- Literature review focusing on circadian plasticity.
- Analysis of studies demonstrating daily changes in biological parameters.
- Examination of structural circadian plasticity and photoperiod adaptation.
Main Results:
- Circadian plasticity encompasses daily parameter changes, structural remodeling, and adaptive adjustments.
- Examples illustrate plasticity in clock outputs from neurons to rest-activity cycles.
- The circadian system demonstrates significant flexibility in response to environmental cues.
Conclusions:
- The circadian system is highly plastic, adapting to daily and seasonal environmental changes.
- Understanding circadian plasticity is crucial for synchronizing physiology and behavior.
- This review highlights the dynamic nature of circadian regulation.
Keywords:
AVPBRPCRYCRYPTOCHROMEDDDNLDLLLNLNdsLPNsPDFPDHPERPERIODSCNTIMTIMELESSVIParginine vasopressinbruchpilotcircadian networkcircadian plasticityclock neuronsconstant darknessconstant lightdorsal lateral neuronsdorsal neuronlLNvslarge ventral lateral neuronslateral neuronlateral posterior neuronslight–darkpigment dispersing factorpigment dispersing hormonerhythmic behaviorsLNvssmall ventral lateral neuronsstructural plasticitysuprachiasmatic nucleivasoactive intestinal peptide
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