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Updated: Apr 5, 2026
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An Analytical Tool that Quantifies Cellular Morphology Changes from Three-dimensional Fluorescence Images
Published on: August 31, 2012
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Protocol to study synapse density or volume-SynDOVE-in brain using confocal microscopy and Imaris three-dimensional
Nolwazi Z Gcwensa1, Khaliah Y Long2, Arielle F Manabat2
1Killion Center for Neurodegeneration and Experimental Therapeutics, University of Alabama at Birmingham, Birmingham, AL 35294, USA; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD 20815, USA.
STAR Protocols
|April 3, 2026
Summary
This study introduces a new protocol for analyzing synaptic structures in brain tissue. The method uses confocal microscopy and 3D imaging to quantify synaptic loci density and volume.
Area of Science:
- Neuroscience
- Cell Biology
- Microscopy
Background:
- Understanding synaptic structure is crucial for neuroscience research.
- Accurate quantification of synaptic components requires advanced imaging techniques.
Purpose of the Study:
- To present a detailed protocol for analyzing pre- and postsynaptic loci in fixed brain sections.
- To enable quantitative analysis of synaptic density and volume using confocal microscopy and specialized software.
Main Methods:
- Capturing z-stack images of immunofluorescent-labeled synaptic proteins with confocal microscopy.
- Deconvolving images and rendering 3D surface reconstructions of synaptic markers.
- Isolating juxtaposed pre- and postsynaptic 3D surfaces to define "synaptic loci".
Main Results:
- The protocol allows for the precise identification and isolation of synaptic loci.
- Quantitative data on synaptic loci density and pre/postsynaptic volumes can be obtained.
Conclusions:
- This protocol provides a robust method for analyzing synaptic structures in fixed brain tissue.
- It facilitates accurate quantification essential for advancing neuroscience research.
