Understanding how the gut senses fructose and affects hunger signals in the brain
Official title: Dissecting the gut-hypothalamus axis for fructose sensing
Funded at University of Pennsylvania · NIH-11070657 · Data updated 2026-11-12
This study is looking at how your gut senses fructose and talks to your brain about hunger, especially focusing on a nerve called the vagus nerve, to help us understand how eating too much fructose might lead to obesity and other health issues.
Quick facts
| Grant type | Fellowship grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Pennsylvania NIH-funded |
| Lab location | 1 site (Philadelphia, United States) |
| Project start | January 1, 2025 |
| Project end | December 31, 2027 |
| Funding year | 2025 |
| Award (this year) | $48,974 |
| NIH project number | 1F31DK141268-01A1 |
| Project ID | NIH-11070657 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are individuals who consume high levels of fructose and are at risk for obesity or metabolic disorders.
✕Less likely to help
Patients who do not consume fructose or have no metabolic issues related to diet may not benefit from this research.
What this research studies
This research investigates how the gut detects fructose and communicates with the brain to regulate hunger. It focuses on the role of specific nerve pathways, particularly the vagus nerve, in sensing fructose and influencing brain circuits that control appetite. Using advanced imaging techniques, the study will observe the activity of neurons in real-time to understand how fructose affects hunger-promoting signals. The findings could provide insights into the mechanisms behind obesity and metabolic diseases linked to high fructose consumption.
Why it matters
Potential benefit: If successful, this research could lead to new strategies for managing obesity and metabolic diseases by targeting gut-brain communication pathways.
How similar studies have gone: Previous research has shown promising results in understanding gut-brain interactions, but this specific approach to fructose sensing is novel.
Where this research is happening
-
University of Pennsylvania
Philadelphia, United States Active
Researchers
- Principal investigator: Mcknight, Aaron David — University of Pennsylvania
- Study coordinator: Mcknight, Aaron David
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.