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Whole Central and Peripheral Nervous System Mice Dissection.

Krystina Rhéaume1, Zhiguo Chen2, Yong Wang2

  • 1Department of Biochemistry and Functional Genomics, Université de Sherbrooke.

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Summary

This study presents a detailed protocol and schematic for dissecting the complete rodent nervous system. This advancement aids in studying nervous system anatomy and diseases in animal models.

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Area of Science:

  • Neuroscience
  • Anatomy
  • Animal Models

Background:

  • Animal models are crucial in neuroscience research.
  • A comprehensive, step-by-step protocol for dissecting the entire rodent nervous system is currently unavailable.
  • Existing methods only allow for the separate harvesting of specific nervous system components.

Purpose of the Study:

  • To provide a detailed protocol for the complete dissection of the murine central and peripheral nervous system.
  • To offer a comprehensive schematic of the rodent nervous system.
  • To facilitate a more holistic study of nervous system anatomy and pathophysiology in animal models.

Main Methods:

  • A 30-minute pre-dissection step to isolate the intact nervous system within the vertebra, free of viscera and skin.
  • A 2-4 hour micro-dissection process under a microscope.
  • Exposure of the spinal cord and thoracic nerves, followed by the removal of the entire central and peripheral nervous system.

Main Results:

  • A robust, step-by-step protocol for the complete dissection of the rodent nervous system.
  • Detailed pictures and a schematic of the central and peripheral murine nervous system.
  • Successful isolation of the intact nervous system for further analysis.

Conclusions:

  • This protocol significantly advances the ability to study the nervous system globally in rodent models.
  • Enables detailed anatomical and pathophysiological investigations.
  • Facilitates downstream analyses, such as histology for tumor progression studies in models like neurofibromatosis type I.