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Microbial Immuno-Communication in Neurodegenerative Diseases
Bevan S Main1, Myles R Minter2
1Laboratory for Brain Injury and Dementia, Department of Neuroscience, Georgetown University Medical Center Washington, DC, USA.
Frontiers in Neuroscience
|April 8, 2017
Summary
The gut microbiome influences brain immune responses and neuroinflammation, potentially impacting neurodegenerative diseases. Understanding this gut-brain axis is key for developing new microbiome-targeted therapies.
Area of Science:
- Neuroscience
- Immunology
- Microbiology
Background:
- Neuroinflammation is crucial for brain defense but its dysregulation contributes to neurodegenerative diseases.
- The gut microbiome and its metabolites influence immune responses and microglial function.
- Microbiome alterations are linked to pathological changes in neurodegenerative conditions.
Purpose of the Study:
- To review how the host microbiome regulates neuroinflammation in neurodegenerative diseases.
- To explore the role of immune barriers like the blood-brain barrier in this communication.
- To highlight the potential of microbiome-targeted therapeutics.
Main Methods:
- Literature review of preclinical studies and existing evidence.
- Analysis of the interplay between microbiome, peripheral immunity, and central nervous system.
- Discussion of the blood-brain barrier and blood-cerebrospinal fluid-brain barrier functions.
Main Results:
- The microbiome modulates peripheral immunity and microglial phenotypes.
- Perturbations in the microbiome can alter neurodegenerative disease phenotypes.
- Immune barriers are critical for communicating peripheral immune status to the brain.
Conclusions:
- The microbiome significantly influences neuroinflammation in neurodegenerative diseases.
- Understanding microbiome-brain communication is vital for therapeutic development.
- Targeting the microbiome offers a promising avenue for treating neurodegenerative disorders.