Understanding Muscle Weakness in Intranuclear Rod Myopathy
Nuclear skeletal muscle alpha-actin and intranuclear rod myopathy
This project aims to understand why a specific gene change causes severe muscle weakness and breathing problems in young children with intranuclear rod myopathy.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Texas Hlth Sci Ctr Houston NIH-funded |
| Lab location | 1 site (Houston, United States) |
| Project ID | NIH-11119020 on NIH RePORTER |
What this research studies
Children with intranuclear rod myopathy experience severe muscle weakness and breathing difficulties, often leading to early childhood death, with no specific treatments available. This condition is linked to changes in the ACTA1 gene, which affects a protein called skeletal muscle alpha-actin (SKA). We believe that SKA plays an important role inside muscle cell nuclei, helping muscle cells develop properly. When the ACTA1 gene is faulty, this nuclear function of SKA might be disrupted, leading to incompletely formed muscle cells and the severe symptoms seen in patients.
Who could benefit from this research
Good fit: This research focuses on understanding the disease mechanisms in patients, particularly infants and young children, diagnosed with intranuclear rod myopathy due to ACTA1 gene changes.
Not a fit: Patients with muscle conditions not related to ACTA1 gene variants or intranuclear rod myopathy would likely not directly benefit from this specific research.
Why it matters
Potential benefit: If successful, this work could uncover the basic causes of intranuclear rod myopathy, paving the way for new targeted treatments for this severe childhood muscle disease.
How similar studies have performed: This project builds on the researchers' novel discovery about the nuclear role of a similar muscle protein, applying this new understanding to the specific challenges of intranuclear rod myopathy.
Where this research is happening
Houston, United States
- University of Texas Hlth Sci Ctr Houston — Houston, United States (Active)
Researchers
- Principal investigator: Kwartler, Callie S — University of Texas Hlth Sci Ctr Houston
- Study coordinator: Kwartler, Callie S
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.