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Updated: Jun 8, 2026

Sub-Retinal Delivery of Human Embryonic Stem Cell Derived Photoreceptor Progenitors in rd10 Mice
Published on: October 6, 2023
Stem cell-based therapeutic applications in retinal degenerative diseases
Yiming Huang1, Volker Enzmann, Suzanne T Ildstad
1Institute for Cellular Therapeutics, University of Louisville, 570 S. Preston Street, Suite 404, Louisville, KY 40202-1760, USA.
Stem cell therapy offers a promising alternative for treating retinal degenerative diseases, especially when gene therapy is less effective in advanced stages. This review highlights progress in stem cell treatments for conditions like retinitis pigmentosa and age-related macular degeneration.
Area of Science:
- Ophthalmology
- Regenerative Medicine
- Cell Biology
Background:
- Millions worldwide suffer from retinal degenerative diseases (RDDs) affecting photoreceptors and the retinal pigment epithelium (RPE).
- Conditions include retinitis pigmentosa (RP), age-related macular degeneration (AMD), diabetic retinopathy, cataracts, and glaucoma.
- Current treatments for RDDs are limited, particularly in advanced disease stages.
Purpose of the Study:
- To review the current landscape of stem cell-based therapies for retinal degenerative diseases.
- To summarize the progress and pipeline of stem cell treatments for RDDs.
- To explore stem cell therapy as a potential alternative to gene-replacement therapy.
Main Methods:
- Literature review of preclinical and clinical studies on stem cell therapies for RDDs.
- Analysis of ongoing research and development in stem cell treatment pipelines.
- Focus on stem cell applications targeting photoreceptors and RPE.
Main Results:
- Gene-replacement therapy shows efficacy in early-stage inherited retinal diseases but is less effective in advanced stages.
- Stem cell-based therapies are emerging as a promising alternative approach for RDDs.
- Various stem cell types and delivery methods are under investigation for RDD treatment.
Conclusions:
- Stem cell therapy holds significant potential for treating a range of retinal degenerative diseases.
- Further research and clinical trials are needed to optimize stem cell treatments for RDDs.
- Stem cell-based approaches may offer new hope for patients with advanced retinal degeneration.
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