Why some genetic stop signals cause problems and others don't
Understanding the variability in nonsense-mediated RNA decay
Researchers are finding why some 'stop' mutations in genes get removed by cells while others lead to disease, to give clearer answers to people with inherited genetic conditions.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Colorado Denver NIH-funded |
| Lab location | 1 site (Aurora, UNITED STATES) |
| Project ID | NIH-11269217 on NIH RePORTER |
What this research studies
If I or a family member has a genetic test that shows a premature stop (nonsense) mutation, this project wants to explain why some of those mutations cause disease and others do not. The team uses large-scale lab tests that insert many different sequence changes into cells and uses precise gene editing to see which changes trigger the cell’s quality-control system (nonsense-mediated decay) and which escape it. They study how these effects differ across genes, tissues, and people so the results reflect real human variation. The goal is to create clear rules that genetic testing labs can use to classify stop mutations more accurately.
Who could benefit from this research
Good fit: People with inherited genetic disorders, especially those with nonsense (stop) mutations or variants of uncertain significance on their genetic test reports, would be most relevant.
Not a fit: Patients with conditions not caused by gene-truncating mutations or those needing immediate treatment rather than improved genetic interpretation are unlikely to gain direct clinical benefit from this work.
Why it matters
Potential benefit: Could make genetic test results clearer by predicting which stop mutations actually disrupt gene function, improving diagnosis and care planning.
How similar studies have performed: Prior laboratory studies have shown that NMD efficiency can vary and identified some escape mechanisms, but a systematic, large-scale effort to build predictive rules is relatively new.
Where this research is happening
Aurora, UNITED STATES
- University of Colorado Denver — Aurora, United States (Active)
Researchers
- Principal investigator: Jagannathan, Sujatha — University of Colorado Denver
- Study coordinator: Jagannathan, Sujatha
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.