Understanding ACTA2 Gene Changes in Aortic and Moyamoya Diseases
A novel nuclear role for smooth muscle alpha-actin
This research explores how specific changes in the ACTA2 gene might lead to serious conditions like moyamoya disease and aortic problems, especially in children.
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-11135538 on NIH RePORTER |
What this research studies
We know that changes in the ACTA2 gene can cause inherited aortic disease and moyamoya disease, which often leads to strokes in children. While many genetic factors are linked to moyamoya, we don't fully understand how these changes cause the disease. Our team has found a new clue: certain ACTA2 gene changes seem to affect how a protein called smooth muscle alpha-actin works inside cells. We believe this might lead to problems with how blood vessel cells develop, making them more likely to grow too much and cause the narrowing seen in moyamoya disease.
Who could benefit from this research
Good fit: This research is most relevant to patients, especially children, diagnosed with moyamoya disease or heritable thoracic aortic disease linked to ACTA2 gene variants, particularly those affecting arginines 179 and 258.
Not a fit: Patients whose moyamoya disease or aortic conditions are not related to ACTA2 gene variants may not directly benefit from the findings of this specific research.
Why it matters
Potential benefit: If successful, this work could uncover the fundamental causes of moyamoya disease and related aortic conditions, potentially leading to new ways to prevent or treat these severe illnesses.
How similar studies have performed: While the exact mechanism of moyamoya disease has been unclear, this research proposes a novel molecular defect that could provide a common explanation for certain ACTA2-related cases.
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.