How loud noise damages hearing
Molecular mechanism in noise-induced hearing loss
This project works to block the cell damage caused by loud noise in the inner ear to help prevent hearing loss in adults.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Medical University of South Carolina NIH-funded |
| Lab location | 1 site (Charleston, United States) |
| Project ID | NIH-11294224 on NIH RePORTER |
What this research studies
From a patient perspective, researchers are trying to understand why outer hair cells in the ear die after loud-noise exposure and to find ways to stop that damage. They use adult mice to model noise-induced hearing loss and deliver gene-silencing tools with harmless viral vectors while testing drugs that reduce oxidative stress and block key cell-death signals. The team reads single-cell gene activity and uses RNA imaging to see exactly which cells and pathways change after noise. Together these lab approaches aim to point toward drug or gene-based treatments that could be tested in people later on.
Who could benefit from this research
Good fit: Adults who are frequently exposed to loud noise or who have early signs of noise-related hearing loss would be the most likely future candidates for trials based on these findings.
Not a fit: People whose hearing loss is primarily from long-standing severe damage, genetic deafness, infection, or aging-related decline may not benefit from these specific prevention strategies.
Why it matters
Potential benefit: If successful, this work could lead to new drug or gene-based therapies that protect ear hair cells and prevent hearing loss after loud-noise exposure.
How similar studies have performed: Related antioxidant and pathway-blocking approaches have shown protective effects in animal models, but combining viral gene-silencing with drugs and single-cell analyses is a relatively new and translational approach.
Where this research is happening
Charleston, United States
- Medical University of South Carolina — Charleston, United States (Active)
Researchers
- Principal investigator: Sha, Su-Hua — Medical University of South Carolina
- Study coordinator: Sha, Su-Hua
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.