How tiny membrane tubes in muscle cells (T‑tubules) relate to inherited muscle weakness
T-tubule membrane remodeling in Drosophila myofiber function and models of myopathy
Researchers use fruit fly muscles to learn how changes in tiny membrane tubes (T‑tubules) cause inherited muscle diseases like centronuclear myopathy and to point to targets that could help people with these conditions.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California, San Diego NIH-funded |
| Lab location | 1 site (La Jolla, United States) |
| Project ID | NIH-11228264 on NIH RePORTER |
What this research studies
The team uses fruit flies because they allow live imaging of T‑tubule membranes inside intact muscle cells during development and adulthood. Researchers manipulate fly genes and watch how T‑tubules disassemble, remodel, and reassemble to identify conserved molecular switches. Two of the fly genes found to control T‑tubule remodeling have human counterparts linked to centronuclear myopathy, making the fly findings directly relevant to that disease. The work aims to reveal basic mechanisms that could guide later studies in human cells or the development of targeted therapies.
Who could benefit from this research
Good fit: People with inherited skeletal muscle disorders—especially centronuclear myopathy or other conditions tied to T‑tubule disruption—are the most relevant population for these findings.
Not a fit: Patients whose muscle problems come from unrelated causes (for example autoimmune myositis or metabolic myopathies) may not directly benefit from these results.
Why it matters
Potential benefit: If successful, this research could reveal why T‑tubules break down in some inherited myopathies and suggest molecular targets for future treatments.
How similar studies have performed: Previous work using fly genetics and live imaging has successfully identified genes and mechanisms linked to human muscle diseases, although moving from discovery to therapy remains early-stage.
Where this research is happening
La Jolla, United States
- University of California, San Diego — La Jolla, United States (Active)
Researchers
- Principal investigator: Kiger, Amy a — University of California, San Diego
- Study coordinator: Kiger, Amy a
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.