Investigating how sex differences affect dopamine neuron vulnerability to environmental toxins
Official title: Novel roles of VGLUT in sex differences in dopamine neuron vulnerability to environmental toxicant-induced neurodegeneration
Funded at University of Pittsburgh at Pittsburgh · NIH-11000348 · Data updated 2026-11-12
This study is looking at how certain harmful chemicals, like pesticides, might affect brain cells that produce dopamine, which is important for movement and can be linked to Parkinson's disease, and it wants to find out why female brain cells seem to handle these chemicals better than male cells, using experiments with flies, rodents, and human brain tissue to help understand this difference.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Pittsburgh at Pittsburgh NIH-funded |
| Lab location | 1 site (Pittsburgh, United States) |
| Project start | March 6, 2023 |
| Project end | December 31, 2027 |
| Funding year | 2025 |
| Award (this year) | $465,274 |
| NIH project number | 5R01ES034037-03 |
| Project ID | NIH-11000348 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are individuals at risk for Parkinson's disease, particularly those with a history of environmental toxicant exposure.
✕Less likely to help
Patients who do not have a history of exposure to environmental toxins or those who do not exhibit symptoms related to dopamine neuron degeneration may not benefit from this research.
What this research studies
This research explores how exposure to environmental toxicants, such as pesticides, leads to the loss of dopamine neurons, which is linked to an increased risk of Parkinson's disease. It focuses on understanding why female dopamine neurons appear to be more resilient than male neurons when exposed to these toxicants. By utilizing both fly and rodent models, as well as human brain tissue, the study aims to identify the role of the vesicular glutamate transporter VGLUT2 in these sex differences. The findings could provide insights into the mechanisms behind dopamine neuron resilience and potentially inform future therapeutic strategies.
Why it matters
Potential benefit: If successful, this research could lead to improved understanding and treatment options for Parkinson's disease, particularly in addressing sex-specific vulnerabilities.
How similar studies have gone: Previous research has shown success in understanding sex differences in neurodegeneration, but this specific approach focusing on VGLUT2 is relatively novel.
Where this research is happening
-
University of Pittsburgh at Pittsburgh
Pittsburgh, United States Active
Researchers
- Principal investigator: Freyberg, Zachary — University of Pittsburgh at Pittsburgh
- Study coordinator: Freyberg, Zachary
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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.