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Author Spotlight: Exploring Non-Motor Symptoms in Parkinson's Disease
Published on: September 22, 2023
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Human gut microbiota and Parkinson's disease
Archana Pant1, Krishna Singh Bisht1, Swati Aggarwal1
1Regional Centre for Biotechnology, Faridabad, Haryana, India.
Progress in Molecular Biology and Translational Science
|October 24, 2022
Summary
Parkinson's disease (PD) may originate in the gut, with gastrointestinal issues preceding motor symptoms. Gut microbiota alterations and inflammation are implicated in PD pathogenesis and progression via the gut-brain axis.
Area of Science:
- Neuroscience
- Gastroenterology
- Microbiology
Background:
- The gut-brain axis facilitates bidirectional communication, increasingly linked to Parkinson's disease (PD) pathogenesis.
- Gastrointestinal disturbances often precede the clinical manifestation of PD, suggesting early gut involvement.
- Neuropathological changes in the enteric nervous system and gut microbiota alterations are observed in PD patients.
Approach:
- This review examines the role of gut dysbiosis in PD development and progression.
- It explores how gut inflammation and microbial metabolites influence neuroinflammation and PD pathology.
- The review discusses the potential gut-to-brain pathway of alpha-synuclein aggregation via the vagus nerve.
Key Points:
- Gut microbiota dysbiosis is associated with PD and its medications.
- Altered gene expression, pathways, and microbial metabolites are linked to PD.
- Alpha-synuclein aggregation may initiate in the gut and spread to the CNS.
Conclusions:
- Understanding gut-brain communication mechanisms is crucial for unraveling PD etiology.
- Gut health and microbiota modulation represent potential therapeutic targets for PD.
- Further research into the gut's role in PD is warranted.
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