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Regenerative Therapy by Suprachoroidal Cell Autograft in Dry Age-related Macular Degeneration: Preliminary In Vivo Report

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Factors Affecting Stem Cell-Based Regenerative Approaches in Retinal Degeneration.

Sachin H Patel¹, Deepak A Lamba^1,2

¹Department of Ophthalmology, University of California, San Francisco, California, USA;

Annual Review of Vision Science

|September 15, 2023

Summary

Cell replacement therapy offers hope for vision loss by using stem cells to regenerate retinal cells. Challenges include cell delivery, immune response, and neural circuit integration for effective vision restoration.

Keywords:

RPE ganglion cells immune microenvironment photoreceptors pluripotent stem cells retinal pigment epithelium

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Author Spotlight: Advancing Vision Restoration - Stem Cell-Based Therapy for Retinal Diseases

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Engineering Transplantation-suitable Retinal Pigment Epithelium Tissue Derived from Human Embryonic Stem Cells

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Published on: September 6, 2018

Area of Science:

Ophthalmology
Neuroscience
Regenerative Medicine

Background:

Inherited and age-related vision loss results from retinal cell degeneration.
The mammalian retina cannot regenerate damaged cells endogenously.
Human pluripotent stem cells and induced pluripotent stem cells offer potential for cell replacement.

Purpose of the Study:

To review the current status of retinal cell replacement strategies.
To highlight key challenges in translating these therapies into clinical practice.

Main Methods:

Review of current literature on stem cell-based retinal regeneration.
Focus on in vitro retinal organoid development.
Analysis of cell delivery, immunological, and connectivity challenges.

Main Results:

Advances in pluripotent stem cell culture and retinal organoid models.
Identification of significant hurdles in cell transplantation for vision restoration.
Understanding the complexities of integrating new cells with host neural circuits.

Conclusions:

Stem cell-derived retinal therapies show promise but face significant translational barriers.
Addressing cell delivery, immune rejection, and neural integration is crucial for success.
Further research is needed to overcome these challenges for effective vision restoration.