Gut microbes and Parkinson's: how gut chemistry may start harmful protein clumps
Official title: Discovery of Chemical Factors in the Gut Microbiome that Control Alpha-Synuclein Aggregation in Parkinson's Disease
Funded at University of California-Irvine · NIH-11394420 · Data updated 2026-11-12
A science project looks at how gut bacteria might trigger the harmful clumps of alpha-synuclein in Parkinson's disease, with potential for early interventions.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California-Irvine NIH-funded |
| Lab location | 1 site (Irvine, United States) |
| Project start | September 1, 2024 |
| Project end | August 31, 2029 |
| Funding year | 2026 |
| Award (this year) | $459,749 |
| NIH project number | 5R01NS138879-03 |
| Project ID | NIH-11394420 on NIH RePORTER |
Who could benefit from this research
✓Could help
Not currently a patient-facing trial; future applications could involve individuals at risk or with early PD in later stages of development.
✕Less likely to help
At this stage, there is no direct treatment or diagnostic tested on patients in this project.
What this research studies
Researchers will study how factors produced by gut bacteria affect the formation of alpha-synuclein clumps that are linked to Parkinson's disease. They will use a combination of test-tube experiments and a C. elegans model to explore whether nitrate respiration by gut microbes creates chemical conditions that promote aggregation. The goal is to identify gut-related signals that start the trouble in the brain, so future therapies could stop disease progression before neurons are damaged. This work builds on initial lab results suggesting a gut-origin mechanism for brain pathology. Participation would involve analysis of biological samples and model systems, not direct patient involvement at this stage.
Why it matters
Potential benefit: If successful, the findings could lead to new strategies to prevent or delay Parkinson's by targeting gut microbiota or gut chemistry.
How similar studies have gone: Preliminary in vitro and C. elegans studies have shown a link between gut chemistry and protein aggregation, with promising signals for further translation.
Where this research is happening
-
University of California-Irvine
Irvine, United States Active
Researchers
- Principal investigator: Bess, Elizabeth Nancy — University of California-Irvine
- Study coordinator: Bess, Elizabeth Nancy
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.