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Updated: Jul 7, 2026

Microdissection of Mouse Brain into Functionally and Anatomically Different Regions

Microdissection of Mouse Brain into Functionally and Anatomically Different Regions

Published on: February 15, 2021

Interlocking transcriptomics, proteomics and toponomics technologies for brain tissue analysis in murine hippocampus.

Marcus Bode¹, Martin Irmler, Manuela Friedenberger

¹Molecular Pattern Recognition Research Group, Institute of Medical Neurobiology, University of Magdeburg, Magdeburg, Germany.

|February 20, 2008

Summary

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Synaptic protein organization in the mouse hippocampus is highly conserved across individuals. This study reveals over 155,000 distinct synaptic states forming organized networks, offering insights into brain systems biology.

Area of Science:

Neuroscience
Systems Biology
Genomics

Background:

Understanding gene and protein expression in the brain is crucial for deciphering neural function.
The hippocampus plays a vital role in memory and spatial navigation.
Previous studies have analyzed gene and protein expression separately.

Purpose of the Study:

To investigate the interrelationship between gene expression (transcriptomics), protein levels (proteomics), and protein organization (toponomics) in the mouse hippocampus.
To analyze the conservation of these molecular and organizational features across individuals.
To explore the systems biology of gene expression at multiple levels within a specific brain subregion.

Main Methods:

Correlative analysis of transcriptomics, proteomics, and toponomics data from hippocampus tissue of inbred C57BL/6 mice.

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Non-Laser Capture Microscopy Approach for the Microdissection of Discrete Mouse Brain Regions for Total RNA Isolation and Downstream Next-Generation Sequencing and Gene Expression Profiling

Non-Laser Capture Microscopy Approach for the Microdissection of Discrete Mouse Brain Regions for Total RNA Isolation and Downstream Next-Generation Sequencing and Gene Expression Profiling

Published on: November 13, 2011

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Last Updated: Jul 7, 2026

Microdissection of Mouse Brain into Functionally and Anatomically Different Regions

Microdissection of Mouse Brain into Functionally and Anatomically Different Regions

Published on: February 15, 2021

Non-Laser Capture Microscopy Approach for the Microdissection of Discrete Mouse Brain Regions for Total RNA Isolation and Downstream Next-Generation Sequencing and Gene Expression Profiling

Non-Laser Capture Microscopy Approach for the Microdissection of Discrete Mouse Brain Regions for Total RNA Isolation and Downstream Next-Generation Sequencing and Gene Expression Profiling

Published on: November 13, 2011

Toponomics was used to detect and characterize synaptic protein clusters in the CA3 region.

Statistical analysis to determine conservation and identify distinct synaptic states and networks.

Main Results:

Transcriptome and proteome levels of function, as well as synaptic protein cluster organization, are largely conserved across mice.
Over 155,000 distinct synaptic states were identified, characterized by unique synaptic protein clusters.
These states form organized synaptic networks that define specific territories within the hippocampus.

Conclusions:

The study provides novel insights into the systems biology of gene expression across transcriptome, proteome, and toponome levels in the hippocampus.
The findings highlight the conserved nature of synaptic organization and the vast diversity of synaptic states.
This approach lays the foundation for future studies on neurodegeneration in both mouse models and human brains.