Related Experiment Video
Updated: Apr 17, 2026
Stereotaxic Injection of a Viral Vector for Conditional Gene Manipulation in the Mouse Spinal Cord
Published on: March 18, 2013
Highly efficient method for gene delivery into mouse dorsal root ganglia neurons
Lingli Yu1, Florie Reynaud2, Julien Falk2
1Differentiation and Cell Cycle Group, Laboratoire de Biologie Moléculaire de la Cellule, UMR 5239, Centre National de la Recherche Scientifique, Ecole normale Supérieure de Lyon, University of Lyon 1 Claude Bernard, University of Lyon Lyon, France ; Laboratory of Molecular and Cellular Neurophysiology, East China Normal University Shanghai, China ; Joint Laboratory of Neuropathogenesis, Key Laboratory of Brain Functional Genomics, Chinese Ministry of Education, East China Normal University, Centre National de la Recherche Scientifique, Ecole Normale Supérieure de Lyon Shanghai, China.
This study optimized electroporation for dorsal root ganglia neurons, achieving high gene transfection efficiency (60-80%) with low toxicity. This method requires fewer cells, facilitating gene function studies in these challenging neurons.
Area of Science:
- Neuroscience
- Molecular Biology
- Genetics
Background:
- Gene transfection is crucial for understanding life sciences.
- Viral vectors are effective but require specialized expertise and containment.
- Electroporation is a common method for DNA delivery into neurons and brain tissue.
Purpose of the Study:
- To optimize the Neon® electroporation system for gene transfection in dorsal root ganglia (DRG) neurons.
- To overcome the challenges of DNA delivery into these specific, recalcitrant neurons.
- To establish an efficient and low-toxicity method for genetic manipulation of DRG neurons.
Main Methods:
- Isolation of dorsal root ganglia neurons from embryonic mice (Day 13.5-16).
- Optimization of culture conditions and electroporation parameters (voltage, duration) using the Neon® system.
- Assessment of transfection efficiency and cell viability.
Main Results:
- Achieved high gene transfection efficiency (60-80%) in DRG neurons.
- Demonstrated low toxicity with high cell survival (>60%).
- Required significantly fewer cells (6 × 10(4)) compared to traditional methods.
- Observed robust differentiation in response to Nerve Growth Factor (NGF).
Conclusions:
- The Neon® electroporation system is highly effective for gene transfection in challenging dorsal root ganglia neurons.
- This optimized method facilitates gene function studies, especially when cell numbers are limited.
- The approach offers a valuable tool for neuroscience research involving DRG neurons.
