How vitamin D signals in the brain affect blood sugar
Brain VDR Regulate Glucose Balance
This work looks at whether vitamin D signaling in a specific brain region can help control blood sugar in people with obesity-related type 2 diabetes.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Baylor College of Medicine NIH-funded |
| Lab location | 1 site (Houston, United States) |
| Project ID | NIH-11321717 on NIH RePORTER |
What this research studies
The team uses genetically modified mice to turn off vitamin D receptors in a brain region called the paraventricular hypothalamus (PVH) to see how that changes blood sugar. They map the brain circuits connected to these PVH vitamin D–sensing cells and test how dietary vitamin D changes blood glucose in obese versus lean animals. By combining genetic tools and controlled diets, they aim to find the cellular and molecular steps that make vitamin D affect glucose balance. Results could point to brain-based pathways to target for better blood sugar control.
Who could benefit from this research
Good fit: Adults with obesity-related type 2 diabetes (higher body weight and difficulties with blood sugar control) are the population this research aims to help and who might be future candidates for related human trials.
Not a fit: People with type 1 diabetes or blood sugar problems unrelated to obesity-linked brain pathways are unlikely to receive direct benefit from this specific line of work.
Why it matters
Potential benefit: If successful, this work could point to new brain-based targets or vitamin D–related approaches to help people with obesity-linked type 2 diabetes control blood sugar.
How similar studies have performed: Prior animal studies, including the investigators' own work, suggest vitamin D can lower blood sugar through the brain, but this mechanism has not yet been translated into proven treatments for people.
Where this research is happening
Houston, United States
- Baylor College of Medicine — Houston, United States (Active)
Researchers
- Principal investigator: Sisley, Stephanie Renee — Baylor College of Medicine
- Study coordinator: Sisley, Stephanie Renee
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 below.