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Related Experiment Video

Updated: Jun 15, 2025

Real-time Analysis of Gut-brain Neural Communication: Cortex wide Calcium Dynamics in Response to Intestinal Glucose Stimulation
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Real-time Analysis of Gut-brain Neural Communication: Cortex wide Calcium Dynamics in Response to Intestinal Glucose Stimulation

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Edinger-Westphal Urocortin-1 neurons regulate consumption and affect.

Rebecca J Bluett1, Ying Yu1, Jordan L Pauli1

  • 1Department of Biochemistry, University of Washington, Seattle, WA 98195, USA; Howard Hughes Medical Institute, University of Washington, Seattle, WA 98195, USA.

Cell Reports
|June 13, 2025
PubMed
Summary
This summary is machine-generated.

Neurons expressing Urocortin-1 (Ucn) in the Edinger-Westphal (EW) nucleus regulate eating and stress responses. This study shows Ucn neurons influence consummatory and affective behaviors, offering insights into obesity and mental health.

Keywords:
CP: MetabolismCP: NeuroscienceEdinger-WestphalUrocortinanxietyconsumptionfiber photometryhedonic feedingoptogeneticsrewardstress

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Area of Science:

  • Neuroscience
  • Behavioral Neuroscience
  • Neuroendocrinology

Background:

  • Affective and consumption brain circuits are interconnected, with implications for mental health and obesity.
  • Weight loss interventions can negatively impact anxiety and depression.
  • Understanding the neural basis of consummatory and affective behaviors is crucial for public health.

Purpose of the Study:

  • To investigate the role of Urocortin-1 (Ucn) neurons in the Edinger-Westphal (EW) nucleus.
  • To determine if Ucn neurons regulate consummatory behaviors, affective behaviors, and stress responses.
  • To provide tools for measuring and manipulating Ucn neuron activity.

Main Methods:

  • Generation of Ucn-Cre mice for targeted genetic manipulation and calcium imaging.
  • Direct activation of Ucn neurons during consummatory tasks and restraint stress.
  • Measurement of calcium activity in Ucn neurons.

Main Results:

  • Ucn neuron activity was modulated during consummatory behaviors and stress.
  • Direct activation of Ucn neurons affected consummatory behaviors.
  • Evidence suggests Ucn neurons play a role in regulating affective behaviors.

Conclusions:

  • Urocortin-1 neurons in the EW nucleus are involved in regulating both eating and affective states.
  • These findings contribute to understanding the neurobiology of obesity and stress-related disorders.
  • Ucn neurons represent a potential therapeutic target for conditions involving dysregulated consumption and affect.