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mTOR Signalling Pathway: A Potential Therapeutic Target for Ocular Neurodegenerative Diseases
Yipin Wang1, Nicholas Siu Kay Fung1, Wai-Ching Lam1
1Department of Ophthalmology, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong 999077, China.
Antioxidants (Basel, Switzerland)
|July 27, 2022
Summary
The mammalian target of rapamycin (mTOR) pathway is a promising target for treating ocular degenerative diseases like AMD and glaucoma. Rapamycin, an mTOR inhibitor, shows potential in preclinical and clinical studies for retinal neurodegeneration.
Area of Science:
- Ophthalmology
- Molecular Biology
- Neuroscience
Background:
- Ocular degenerative diseases share pathological processes, including oxidative stress.
- The mammalian target of rapamycin (mTOR) pathway is implicated in these diseases.
- Oxidative stress and mTOR signaling have a complex, interdependent relationship.
Purpose of the Study:
- To review the role of the mTOR pathway in ocular degenerative diseases.
- To summarize the application and mechanisms of rapamycin in retinal disease models.
- To update the clinical trial results of rapamycin for ocular neurodegenerative diseases.
Main Methods:
- Literature review of basic research on mTOR and oxidative stress in retinal diseases.
- Analysis of rapamycin's efficacy in various retinal disease models.
- Compilation and summary of recent clinical trial data for rapamycin in ocular conditions.
Main Results:
- mTOR signaling is a key factor in oxidative stress-related retinal degeneration.
- Rapamycin demonstrates therapeutic potential in preclinical models of retinal diseases.
- Clinical trials indicate rapamycin's emerging role in treating ocular neurodegeneration.
Conclusions:
- The mTOR pathway, modulated by rapamycin, is a significant therapeutic target for ocular degenerative diseases.
- Understanding the interplay between mTOR, autophagy, and oxidative stress is crucial for treatment development.
- Rapamycin holds promise for treating conditions such as age-related macular degeneration, diabetic retinopathy, and glaucoma.

