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Updated: Nov 16, 2025
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Determination of Mitochondrial Respiration and Glycolysis in Ex Vivo Retinal Tissue Samples
Published on: August 4, 2021
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Metabolic syndrome and the aging retina
1Department of Ophthalmology, Mayo Clinic, Rochester, Minnesota, USA.
Current Opinion in Ophthalmology
|February 25, 2021
Summary
Metabolic syndrome (MetS) accelerates aging in retinal neurons, potentially contributing to blindness from glaucomatous optic neuropathy (GON) and age-related macular degeneration (AMD). This review examines MetS as a key risk factor for these neurodegenerative eye diseases.
Area of Science:
- Ophthalmology
- Neuroscience
- Metabolic Research
Background:
- Aging is a primary risk factor for glaucomatous optic neuropathy (GON) and age-related macular degeneration (AMD).
- Retinal neuron aging is a critical component in the pathogenesis of these blinding conditions.
Purpose of the Study:
- To investigate metabolic syndrome (MetS) as a risk factor that accelerates retinal neuron aging.
- To explore the contribution of MetS to neurodegeneration in GON and AMD.
Main Methods:
- Review of animal model experiments and epidemiologic studies.
- Analysis of cellular pathways affected by metabolic stress.
- Examination of mechanistic modifiers of aging.
Main Results:
- Metabolic stress can lead to premature cellular aging, particularly in neurons.
- MetS is linked to inflammation, oxidative stress, mitochondrial dysfunction, and other aging accelerators.
- MetS is associated with both GON and AMD, suggesting a role in disease onset and progression.
Conclusions:
- MetS, a cluster of metabolic risk factors, may hasten the aging process in retinal neurons.
- Understanding MetS's role is crucial for addressing the growing burden of irreversible blindness from GON and AMD.
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