How lysyl oxidase helps keep the aorta and arteries strong
Cell-specific contributions of lysyl oxidase to arterial integrity
Researchers are looking at how problems with the enzyme lysyl oxidase can weaken the aorta and lead to aortic aneurysms, especially in people with genetic risk.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Washington University NIH-funded |
| Lab location | 1 site (Saint Louis, United States) |
| Project ID | NIH-11306018 on NIH RePORTER |
What this research studies
This project examines how lysyl oxidase (LOX) works in different artery cells — mainly smooth muscle cells and endothelial cells — to maintain aortic structure. The team will use genetic models, cell-based studies, and tissue analyses to see which cell types need LOX to prevent elastic fiber breakdown and aneurysm formation. They will compare findings relevant to thoracic versus abdominal aortic aneurysms to understand differences in cause and progression. The goal is to reveal cell-specific mechanisms that could guide targeted ways to prevent aneurysm growth.
Who could benefit from this research
Good fit: Ideal candidates would be people with thoracic aortic aneurysms, those with a family history of aneurysm, or individuals with known LOX gene mutations who might provide samples or join related clinical efforts.
Not a fit: People whose aneurysms are driven mainly by atherosclerosis (typical abdominal aortic aneurysms) or who have unrelated vascular conditions may not see direct benefit from LOX-focused findings.
Why it matters
Potential benefit: If successful, the work could point to new ways to prevent or slow aortic aneurysm growth by targeting LOX-related pathways.
How similar studies have performed: Previous research has linked LOX mutations to thoracic aortic aneurysms and animal studies show LOX loss weakens arteries, but focusing on LOX function in specific artery cell types is a newer approach with limited prior testing.
Where this research is happening
Saint Louis, United States
- Washington University — Saint Louis, United States (Active)
Researchers
- Principal investigator: Halabi, Carmen M. — Washington University
- Study coordinator: Halabi, Carmen M.
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.