How muscle cells fuse to build and repair muscle
Molecular Mechanisms of Myoblast Fusion
This project looks at how individual muscle cells join together during growth and healing to help people with inherited or acquired muscle weakness.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Ut Southwestern Medical Center NIH-funded |
| Lab location | 1 site (Dallas, United States) |
| Project ID | NIH-11292873 on NIH RePORTER |
What this research studies
From a patient's point of view, this research studies the cellular machinery that lets single muscle cells merge into larger, working muscle fibers. Scientists use genetic and cell biology experiments in fruit flies and zebrafish, plus lab-grown cells, to watch actin-driven membrane protrusions and the receiving cell's mechanical response. The team maps the molecules and forces that drive fusion and how failures in this process might cause tiny muscle fibers seen in some congenital myopathies. Although the work is done in models, the goal is to identify targets that could be used later to improve muscle growth and regeneration in people.
Who could benefit from this research
Good fit: People with congenital myopathies marked by unusually small muscle fibers or individuals with muscle-wasting conditions could be candidates for future clinical work based on these findings.
Not a fit: Patients whose problems are purely nerve-related or caused by systemic illnesses not involving muscle-cell fusion are less likely to see direct benefit.
Why it matters
Potential benefit: If successful, the findings could point to new ways to boost muscle repair or treat some congenital muscle diseases.
How similar studies have performed: Prior lab work in fruit flies and vertebrate cells has identified conserved fusion mechanisms like actin-driven protrusions, but translating these discoveries into human treatments remains at an early stage.
Where this research is happening
Dallas, United States
- Ut Southwestern Medical Center — Dallas, United States (Active)
Researchers
- Principal investigator: Chen, Elizabeth H — Ut Southwestern Medical Center
- Study coordinator: Chen, Elizabeth H
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.