Examination of Anatomical Features of Retinal Ganglion Cells Under N-methyl-D-aspartic Acid (NMDA)-induced Excitotoxicity
September 19th, 2025
Here, we describe the use of a genetically directed alkaline phosphatase (AP) labeling method to investigate the anatomical features and phenotypes of mouse retinas under NMDA-induced excitotoxicity. In conjunction with several retinal ganglion cell (RGC) subtype-specific reporter lines, we uncover novel phenotypes in dying RGCs throughout the degenerative process.
We are trying to understand the development, survival, and the degeneration of retinal ganglion cell using remodel.We are using genetically modified mouse line to label specific cell types to monitor the degeneration of these cells.With this protocol, we can investigate anatomical features and phenotypes of retinal ganglion cells under NMDA-induced excitotoxicity.This approach provides new insights into how retinal ganglion cells respond to NMDA at gross and subcellular levels.To begin, obtain the eyeball from the NMDA-injected mouse after euthanization, and transfer it into a separate labeled two milliliter tube.Fix the eyeball in 10%neutral buffered formalin for 10 minutes at room temperature, and obtain a cellulose nitrate membrane filter to flat mount the retina.After fixation, transfer the eyeball to a 10-centimeter Petri dish containing 1
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Overview
This study investigates the degeneration of retinal ganglion cells (RGCs) under NMDA-induced excitotoxicity using a genetically directed alkaline phosphatase labeling method. The research leverages subtype-specific reporter lines to highlight novel phenotypes in RGCs throughout the degenerative process.
Key Study Components
Research Area
- Retinal ganglion cell degeneration
- Genetic modification in mice
- Excitotoxicity and its effects
Background
- Understanding RGC development and survival
- Examining cellular responses to excitotoxic stimuli
- Highlighting the significance of specific cell types in degeneration
Methods Used
- Genetically directed alkaline phosphatase labeling
- Mouse retinas as the biological system
- Use of subtype-specific reporter lines
Main Results
- Identification of novel phenotypes in dying RGCs
- Insights into the degenerative process of retinal ganglion cells
- Cumulative evidence supporting the effects of NMDA-induced excitotoxicity
Conclusions
- This study reveals critical insights into RGC survival and degeneration mechanisms.
- It advances our understanding of retinal biology and potential therapeutic targets.
