Targeting cell fusion proteins to improve blood sugar control
Regulating SNARE mechanisms to remediate glucose dyshomeostasis
It explores whether boosting a protein called STX4 in muscles and insulin-producing cells can improve insulin release and blood sugar control for people with or at risk for type 2 diabetes.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Beckman Research Institute/city of Hope NIH-funded |
| Lab location | 1 site (Duarte, United States) |
| Project ID | NIH-11400205 on NIH RePORTER |
What this research studies
If you have prediabetes or type 2 diabetes, this project studies how increasing a protein called STX4 in your insulin-producing cells and skeletal muscle might help both insulin release and how your muscles respond to insulin. Researchers use high-fat-diet mouse models to mimic obesity-related insulin resistance, laboratory studies of human islet (beta) cells, and molecular experiments focused on mitochondria and exocytosis proteins. Prior lab work showed that raising STX4 in muscle restored insulin sensitivity in mice and that activating STX4 improved function in human islet cells. The long-term aim is to identify safe ways to improve insulin secretion and peripheral insulin action to prevent or reverse progression from prediabetes to type 2 diabetes.
Who could benefit from this research
Good fit: Ideal candidates would be adults with prediabetes or type 2 diabetes characterized by insulin resistance or impaired insulin secretion, especially older adults at higher risk.
Not a fit: People with type 1 diabetes due to autoimmune destruction of beta cells or those whose high blood sugar is driven by non-insulin-resistance causes are less likely to benefit from this approach.
Why it matters
Potential benefit: If successful, the work could lead to therapies that restore insulin secretion and muscle insulin sensitivity and help prevent or reverse progression to type 2 diabetes.
How similar studies have performed: Early laboratory and animal studies are promising—muscle STX4 enrichment restored insulin sensitivity in mice and STX4 activation improved human islet cell function—but clinical testing in people is still novel.
Where this research is happening
Duarte, United States
- Beckman Research Institute/city of Hope — Duarte, United States (Active)
Researchers
- Principal investigator: Thurmond, Debbie C — Beckman Research Institute/city of Hope
- Study coordinator: Thurmond, Debbie C
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.