How hearing is protected from loud noise
Mechanisms of protection from noise-induced hearing loss
This work looks at how genes and cell processes help protect hearing after loud-noise exposure so we can prevent and repair noise-related hearing loss.
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-11285386 on NIH RePORTER |
What this research studies
From my perspective, the researchers use mouse models together with human genetic clues to learn why some ears resist damage from loud sounds. They focus on inner hair cells and a gene called Prkag2 that affects AMPK activity, which appears to keep the connections between hair cells and hearing nerves stable. By pinpointing these protective mechanisms, the team aims to find ways to stop or reverse the early nerve damage that leads to long-term hearing loss. The work is being done at UC San Diego and could lead to new medicines or approaches to protect hearing.
Who could benefit from this research
Good fit: Ideal participants would be adults who have had hearing changes or tinnitus after loud-noise exposure, or volunteers willing to provide genetic samples and hearing tests.
Not a fit: People with longstanding, non-noise-related deafness or those needing immediate surgical hearing restoration are unlikely to benefit directly from this research in the short term.
Why it matters
Potential benefit: If successful, this research could lead to therapies that prevent or repair the nerve connections in the ear and reduce long-term noise-induced hearing loss.
How similar studies have performed: Previous work has shown that synapses between hair cells and nerves are vulnerable to noise and that genetics affect risk, but targeted therapies based on AMPK/Prkag2 remain largely novel.
Where this research is happening
La Jolla, United States
- University of California, San Diego — La Jolla, United States (Active)
Researchers
- Principal investigator: Friedman, Rick a — University of California, San Diego
- Study coordinator: Friedman, Rick 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.