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The microbiota-mitochondria axis: linking metabolic dysfunction to neurodegeneration
Sedighe Yosefi1, Ali Babaeizad2, Seyed Soheil Tabibian3
1Nervous System Stem Cells Research Center, Neuroscience research Institute, Semnan University of Medical Sciences, Semnan, Iran.
Metabolic Brain Disease
|June 29, 2026
Summary
The gut microbiota and mitochondria axis impacts host health, influencing metabolism and neurological functions. Disruptions link to diseases, but therapies targeting this axis offer new treatment potential.
Area of Science:
- Metabolic Biology
- Microbiology
- Neuroscience
Background:
- The gut microbiota and mitochondria share a dynamic relationship influencing host physiology.
- Microbial metabolites modulate mitochondrial functions, impacting energy, immunity, and inflammation.
- Dysbiosis and mitochondrial dysfunction are linked to metabolic and neurodegenerative diseases.
Purpose of the Study:
- To review the intricate interplay between gut microbiota and mitochondria.
- To explore the mechanistic pathways governing this axis.
- To highlight therapeutic strategies targeting the microbiota-mitochondria axis.
Main Methods:
- Literature review integrating findings from metabolism, immunology, and neuroscience.
- Analysis of microbial metabolites and their impact on mitochondrial bioenergetics.
- Examination of signaling pathways (AMPK, sirtuins, PGC-1α) involved in mitochondrial regulation.
Main Results:
- Microbial metabolites are key regulators of mitochondrial bioenergetics and oxidative stress.
- Disruptions in the microbiota-mitochondria axis are implicated in NAFLD, obesity, IBD, Parkinson's, and Alzheimer's.
- Specific pathways govern mitochondrial responses to microbial signals, with dysregulation leading to pathology.
Conclusions:
- The microbiota-mitochondria axis is crucial for maintaining host homeostasis and preventing disease.
- Targeting this axis offers promising avenues for precision therapies.
- Further research into this communication network can advance treatments for metabolic, inflammatory, and neurodegenerative disorders.
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