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Updated: Aug 18, 2026

Assembling Retinal Organoids with Microglia
Published on: July 26, 2024
[Establishment of a model of retinal microglial cells activation in vitro]
Ai-ling Wang1, Lin Liu, Xiu-an Zhu
1Peking University Third Hospital, Peking University Eye Center, Beijing 100083, China. alwang@bjmu.edu.cn
Objective:
To develop a method of retinal microglial cell culture to study the function of the microglial cell in diabetic retinopathy.
Methods:
Microglia were activated with LPS. Immunocytochemistry, con-focal microscopy, flow cytometry, MTT and ELISA were applied to observe the morphological characters, quantity, and functional changes of the microglia.
Results:
The purity of the microglia was up to 96% as determined by immunostaining and flow cytometry. Some morphological changes of microglia were observed after treatment with LPS, but their quantity kept stable. Cytokine TNF-alpha released from microglia increased significantly.
Conclusion:
The isolated microglial cells are pure by using this culture system, which would provide a valuable tool for studying mechanisms of microglial alterations in diabetic retinopathy.
Insights
This study presents a pure retinal microglial cell culture method. This method allows for the study of microglial cell function in diabetic retinopathy.
Area of Science:
- Neuroscience
- Immunology
- Ophthalmology
Context:
- Diabetic retinopathy involves microglial cells.
- Understanding microglial function is crucial for treating diabetic retinopathy.
Purpose:
- To develop a method for culturing retinal microglial cells.
- To investigate microglial cell function in the context of diabetic retinopathy.
Summary:
- A novel method achieved 96% pure retinal microglial cell cultures.
- Lipopolysaccharide (LPS) stimulation induced morphological changes and increased TNF-alpha release, without altering cell quantity.
- Techniques used include immunocytochemistry, confocal microscopy, flow cytometry, MTT, and ELISA.
Impact:
- This culture system provides a valuable tool for studying microglial alterations in diabetic retinopathy.
- Facilitates research into the mechanisms underlying diabetic retinopathy pathogenesis.

