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Analysis of Dendritic Spine Morphology in Cultured CNS Neurons
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Diolistic Labeling and Analysis of Dendritic Spines
M Foster Olive1, Armani P Del Franco2, Cassandra D Gipson2
1Department of Psychology, Arizona State University, Tempe, AZ, USA. foster.olive@asu.edu.
Methods in Molecular Biology (Clifton, N.J.)
|December 10, 2017
Summary
Diolistic labeling enables detailed visualization of dendritic spines in brain slices. This method allows for precise assessment of spine density and morphology, crucial for understanding neuronal plasticity.
Area of Science:
- Neuroscience
- Cell Biology
- Microscopy
Background:
- Dendritic spines are dynamic and plastic neuronal structures.
- Spines are sensitive to neurotrophic factors throughout life.
- Assessing spine morphology and density is key to understanding neural function.
Purpose of the Study:
- To present a reliable method for labeling dendritic spines in ex vivo brain slices.
- To enable detailed analysis of dendritic spine morphology and density.
Main Methods:
- Diolistic labeling of neurons using lipophilic fluorescent dyes.
- Visualization via confocal laser scanning microscopy.
- Image deconvolution and analysis using Bitplane Imaris software (Surpass module).
Main Results:
- Successful and robust labeling of dendritic spines was achieved.
- The method allows for high-resolution assessment of spine density and morphology.
- The described workflow facilitates quantitative analysis of neuronal structures.
Conclusions:
- Diolistic labeling is an effective technique for studying dendritic spines in brain slices.
- This method enhances the ability to investigate neuronal plasticity and development.
- Advanced imaging and analysis tools are critical for detailed morphological studies.
Keywords:
3-D reconstructionConfocal imagingDeconvolutionDendritic spineDiolisticLipophilic dyeMorphology
