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In Vitro Myelination of Peripheral Axons in a Coculture of Rat Dorsal Root Ganglion Explants and Schwann Cells
Published on: February 10, 2023
A reliable in vitro model for studying peripheral nerve myelination in mouse
Mark Stettner1, Kathleen Wolffram, Anne K Mausberg
1Department of Neurology, Medical Faculty, Research Group for Clinical and Experimental Neuroimmunology, Heinrich-Heine-University, Düsseldorf, Germany. mark.stettner@med.uni-duesseldorf.de
Journal of Neuroscience Methods
|January 26, 2013
Summary
This study presents a reliable mouse dorsal root ganglia (DRG) co-culture protocol for high-throughput myelination analysis. Optimized methods using Sudan and fatty acid stains enable robust myelin detection and demyelination studies in vitro.
Area of Science:
- Neurobiology
- Cell Biology
- Peripheral Nervous System Research
Background:
- The rat dorsal root ganglia (DRG) model is established for studying peripheral nervous system myelination.
- High-throughput analysis with transgenic animals necessitates a simplified mouse model.
Purpose of the Study:
- To develop a stable and reliable protocol for myelinating co-cultures using C57BL/6 mouse cells.
- To establish efficient methods for myelin detection and demyelination induction in vitro.
- To optimize the existing rat DRG protocol and compare it with the mouse model.
Main Methods:
- Development of a co-culture system using C57BL/6 mouse DRG cells.
- Utilizing Sudan staining for fixed culture myelin detection.
- Employing green fatty acid stain for vital culture myelination analysis.
- Inducing demyelination using forskolin.
- Optimization of the rat DRG protocol.
Main Results:
- A stable and reliable protocol for mouse DRG myelination co-cultures yielding a high myelin ratio.
- Sudan staining as an efficient method for fixed myelin detection.
- Green fatty acid staining as a reliable method for dynamic myelination analysis in live cultures.
- Successful induction of demyelination with forskolin.
- An optimized rat DRG protocol with improved myelin ratio.
Conclusions:
- The developed mouse DRG co-culture protocol supports systematic, high-throughput myelination analysis.
- The study provides validated staining methods for both fixed and live myelination studies.
- The findings enhance the utility of ex vivo myelination models in neurobiology research.
