How exercise protects the diabetic heart through the protein METTL3
METTL3 in Cardiac Benefits of Exercise in Diabetes
Researchers are looking at whether the heart protein METTL3 explains how exercise protects people with type 2 (adult-onset) diabetes from heart damage.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Massachusetts General Hospital NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project ID | NIH-11132815 on NIH RePORTER |
What this research studies
They will use mouse models of diabetes and lab-grown heart cells to study an RNA modification controlled by the enzyme METTL3. The team will compare hearts and cells with normal, reduced, or increased METTL3 to see how those changes affect the heart’s response to exercise. They will also study the downstream protein YBX-1 to understand how METTL3 signals protective effects. This work aims to explain whether boosting METTL3 can reproduce exercise’s heart benefits in diabetes.
Who could benefit from this research
Good fit: Adults with type 2 (adult-onset) diabetes, particularly those with signs of diabetic cardiomyopathy or reduced heart function, are the most relevant group.
Not a fit: People who do not have diabetes, who have heart disease from other causes, or children may not directly benefit from these findings.
Why it matters
Potential benefit: If confirmed, this could point to new treatments that mimic exercise and protect the hearts of people with diabetes.
How similar studies have performed: Previous lab work shows METTL3 affects heart development and injury and that exercise helps diabetic hearts, but linking METTL3 specifically to exercise benefits in diabetic cardiomyopathy is largely new.
Where this research is happening
Boston, United States
- Massachusetts General Hospital — Boston, United States (Active)
Researchers
- Principal investigator: Li, Haobo — Massachusetts General Hospital
- Study coordinator: Li, Haobo
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.