Mitochondria in aging and age-associated diseases
Sonu Pahal1, Nirjal Mainali1, Meenakshisundaram Balasubramaniam2
1Bioinformatics Program, University of Arkansas at Little Rock and University of Arkansas for Medical Sciences, Little Rock AR 72205, U.S.A.
Mitochondrion
|March 1, 2025
Summary
Mitochondrial dysfunction drives neurodegenerative disorders (NDDs) and aging. Strategies like enhancing mitophagy and mitochondrial transfer offer new therapeutic avenues for neuronal survival and cognitive health.
Area of Science:
- Cellular Biology
- Neuroscience
- Aging Research
Background:
- Mitochondria are vital for cellular energy production and neuronal function.
- Mitochondrial dysfunction is increasingly implicated in neurodegenerative disorders (NDDs) and the aging process.
- Understanding mitochondrial dynamics and homeostasis is key to addressing age-related cognitive decline.
Purpose of the Study:
- To review the role of mitochondria in NDDs and aging.
- To explore mitochondrial dynamics, mitovesicles, homeostasis, and inter-organelle communication in this context.
- To identify and discuss prospective therapeutic strategies targeting mitochondrial health.
Main Methods:
- Literature review focusing on mitochondrial roles in aging and NDDs.
- Analysis of impacts of aging and NDDs on mitochondrial function, including protein aggregation.
- Examination of emerging therapeutic interventions for mitochondrial dysfunction.
Main Results:
- Mitochondrial dysfunction, including protein aggregation and impaired respiratory chain function, is a common hallmark of NDDs and aging.
- Disruptions in mitochondrial dynamics, calcium and lipid balance, and organelle communication contribute to neurodegeneration.
- Several therapeutic strategies show promise in preclinical studies.
Conclusions:
- Mitochondrial health is critical for neuronal survival and cognitive function.
- Targeting mitochondrial pathways, such as mitophagy and respiratory chain function, offers promising therapeutic opportunities for NDDs and aging.
- Further research into mitochondrial transfer and other novel approaches could revolutionize NDD treatment.
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