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Related Experiment Video

Updated: Feb 4, 2026

Simultaneous Cryosectioning of Multiple Rodent Brains
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Simultaneous Cryosectioning of Multiple Rodent Brains.

Tabitha R F Green1, J Bryce Ortiz2, Jordan L Harrison3

  • 1Department of Child Health, University of Arizona College of Medicine; Department of Biological Sciences, University of Bath; BARROW Neurological Institute at Phoenix Children's Hospital.

Journal of Visualized Experiments : Jove
|October 9, 2018
PubMed
Summary

The Megabrain technique combines multiple brains into one frozen block, reducing cryosectioning and mounting time by 90%. This method also decreases variability in immunohistochemistry staining for neuroscience research.

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Area of Science:

  • Neuroscience
  • Histology
  • Immunohistochemistry

Background:

  • Histology and immunohistochemistry are essential for visualizing tissue and localizing proteins.
  • Current methods for preparing slide-mounted tissue samples are time-intensive.
  • Variability between staining rounds can impact large-scale studies.

Purpose of the Study:

  • To introduce a novel technique, the Megabrain, to streamline cryosectioning and mounting of brain tissue.
  • To reduce the time and variability associated with traditional tissue preparation methods.
  • To provide a protocol applicable to various scientific fields utilizing cryosectioning.

Main Methods:

  • The Megabrain technique involves combining multiple brains into a single frozen block.
  • This facilitates cryosectioning and mounting of brain tissue.
  • The protocol is optimized for rodent brains but adaptable to other tissues.

Main Results:

  • The Megabrain technique reduced cryosectioning and mounting time by up to 90%.
  • It significantly decreased variability observed in staining rounds during large histochemical studies.
  • The method proved effective for downstream immunohistochemical analyses.

Conclusions:

  • The Megabrain technique offers a substantial improvement in efficiency for preparing brain tissue for histological analysis.
  • This method enhances reproducibility in large-scale studies by minimizing inter-assay variability.
  • The Megabrain protocol is a valuable tool for neuroscience and other fields requiring cryosectioning.