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Updated: Oct 23, 2025
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Whole-mount Retinal Organoid Visualization with Cellular Resolution
Published on: June 20, 2025
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A look into retinal organoids: methods, analytical techniques, and applications.
Tess A V Afanasyeva1, Julio C Corral-Serrano2, Alejandro Garanto3,4
1Department of Human Genetics and Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Geert Grooteplein 10, 6525 GA, Nijmegen, The Netherlands.
Cellular and Molecular Life Sciences : CMLS
|August 22, 2021
Summary
Induced pluripotent stem cells (iPSCs) are used to create retinal organoids, which are 3D models of the human retina. These models offer a promising avenue for studying and developing treatments for inherited retinal diseases (IRDs).
Area of Science:
- Ophthalmology
- Regenerative Medicine
- Genetics
Background:
- Inherited retinal diseases (IRDs) cause progressive photoreceptor degeneration and blindness.
- Current gene therapies are effective for only a limited number of IRD forms.
- Induced pluripotent stem cells (iPSCs) offer a patient-specific platform for disease modeling and cell replacement therapies.
Purpose of the Study:
- To highlight the applications of retinal organoids in IRD research.
- To provide an overview of current analysis methods for retinal organoids.
- To discuss future prospects for retinal organoids in IRD treatment development.
Main Methods:
- Generation of three-dimensional (3D) retinal organoids from iPSCs.
- Characterization of retinal organoids for cellular composition and function.
- Review of state-of-the-art analysis techniques applicable to retinal organoids.
Main Results:
- Retinal organoids recapitulate major retinal cell types, including photoreceptors, bipolar cells, and retinal ganglion cells.
- iPSC-derived retinal organoids serve as valuable models for studying IRD pathogenesis.
- Various analytical methods are available for comprehensive evaluation of retinal organoids.
Conclusions:
- Retinal organoids are a powerful tool for understanding and developing therapies for IRDs.
- Further improvements in retinal organoid technology will accelerate IRD research and treatment development.
- These 3D models represent a significant advancement in personalized medicine for retinal disorders.
