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Control of Eating Behavior Using a Novel Feedback System
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Can brain neurons change identity? Lessons from obesity.

Jean Charles Nicolas1, Thomas H Lee1, Carmelo Quarta1

  • 1University of Bordeaux, INSERM, Neurocentre Magendie, U1215, F-33000, Bordeaux, France.

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|December 6, 2024
PubMed
Summary
This summary is machine-generated.

Mammalian brain neurons may retain identity plasticity into adulthood. Metabolic stress can alter neuronal identity, potentially contributing to cognitive impairment and neurodegenerative diseases linked to obesity.

Keywords:
cell heterogeneityneurodegenerationneuronal identityobesity

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Area of Science:

  • Neuroscience
  • Metabolic disorders
  • Neurodegenerative diseases

Background:

  • Neuronal identity was traditionally considered fixed post-development.
  • Some neurons express identity regulators into adulthood.
  • Metabolic stress impacts neuronal identity and cognitive function.

Purpose of the Study:

  • Investigate neuronal identity plasticity in adult mammals.
  • Explore the neurological basis of obesity.
  • Understand links between metabolic and neurodegenerative disorders.

Main Methods:

  • Review of studies on neuronal identity regulation.
  • Analysis of diet-induced metabolic stress models in mice.
  • Examination of cognitive impairment in neurodegenerative diseases associated with obesity.

Main Results:

  • Prolonged metabolic stress induces neuronal identity modification in adult mice.
  • Maladaptive neuronal identity changes are linked to cognitive deficits.
  • Obesity is associated with neurodegenerative diseases and cognitive impairment.

Conclusions:

  • Mammalian brain neurons may possess plasticity into adulthood.
  • Understanding obesity's neurological roots is key to neuronal plasticity research.
  • This research advances knowledge on metabolic and neurodegenerative disorder interactions.