Abstract
The escalating prevalence of vision loss due to eye diseases has instigated a quest for innovative therapies, given that conventional approaches often fall short in repairing and regenerating damaged eye tissues, particularly the retina. Stem cell-based interventions have emerged as a promising avenue, with numerous studies in animal models and human trials exploring their potential to enhance visual acuity. Beyond addressing conditions like age-related macular degeneration (AMD) and diabetic retinopathy (DR), stem cell therapies demonstrate efficacy in treating genetic disorders such as retinitis pigmentosa (RP). In severe eye damage necessitating regeneration, stem cells play a pivotal role, leveraging their regenerative capabilities. Noteworthy is the transplantation of retinal pigment epithelial (RPE) cells derived from embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs), showcasing promising results in preclinical models and clinical studies, leading to improved retinal function without severe side effects. Mesenchymal stem cells (MSCs) have successfully treated optic neuropathy, RP, DR, and glaucoma, yielding positive clinical outcomes. The safety of adult stem cells, particularly MSCs derived from adipose tissue or bone marrow, has been firmly established. This review highlights significant advancements in utilizing human ESC-derived retinal pigmented epithelium and iPSCs for treating eye injuries. While cell-based therapy is relatively nascent, with numerous clinical trials pending review, stem cells' regenerative potential and clinical applications in addressing eye diseases offer substantial promise. This study aims to comprehensively examine the applications of stem cells in the context of eye diseases and their potential role in regenerative medicine.
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