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Related Experiment Video

Updated: Dec 26, 2025

Localization of the Locus Coeruleus in the Mouse Brain
07:44

Localization of the Locus Coeruleus in the Mouse Brain

Published on: March 7, 2019

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Fast Localization and Sectioning of Mouse Locus Coeruleus.

Song Cao1,2, Juan Li1, Jie Yuan1

  • 1Department of Pain Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000 Guizhou, China.

Biomed Research International
|March 20, 2020
PubMed
Summary

Researchers developed a simple protocol to accurately locate the locus coeruleus (LC) in mouse brain sections. This method facilitates the collection of brain slices enriched with noradrenergic neurons for further study.

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Area of Science:

  • Neuroscience
  • Neuroanatomy

Background:

  • The locus coeruleus (LC) is a key nucleus in the brain, producing norepinephrine.
  • Locating the small LC in brain sections is challenging due to a lack of simple methods.

Purpose of the Study:

  • To develop a fast, accurate, and easy protocol for localizing the locus coeruleus (LC) in mouse brain sections.
  • To enable the collection of brain slices enriched with noradrenergic neurons.

Main Methods:

  • A novel protocol involving specific brain sectioning techniques was employed.
  • Brains were fixed, dehydrated, and sectioned coronally.
  • Tyrosine hydroxylase immunofluorescence staining was used for validation.

Main Results:

  • The protocol allows for rapid and accurate identification of the LC in frozen brain sections.
  • Brain slices containing the highest concentration of noradrenergic neurons can be collected within 200 micrometers.
  • The method was validated using tyrosine hydroxylase staining.

Conclusions:

  • This protocol provides a straightforward and reliable method for LC localization in mouse brain sectioning.
  • It simplifies the process of obtaining noradrenergic neuron-rich brain slices for research.