Bird-inspired methods to regrow the sensory cells that enable hearing
Avian-inspired Regenerative Therapies for Hearing Loss
Bird-inspired gene approaches delivered with safe AAV vectors aim to make adult ear supporting cells re-enter growth so they can regrow sensory hair cells for adults with hearing loss.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Stanford University NIH-funded |
| Lab location | 1 site (Stanford, United States) |
| Project ID | NIH-11292419 on NIH RePORTER |
What this research studies
Researchers will map which genes are active and how DNA is packaged in individual supporting cells before, during, and after hair cell loss using single-cell RNA and ATAC sequencing. They will compare those molecular patterns to chickens, which naturally regenerate hair cells, to find differences that may explain why mammals cannot. Using that information, the team will design inducible AAV-based gene delivery targeted to adult supporting cells and test whether turning on specific programs after acute or chronic damage can trigger supporting cells to divide and become new hair cells. The work combines molecular profiling, comparative analysis with avian data, and targeted gene delivery in adult mammalian inner-ear tissues.
Who could benefit from this research
Good fit: Adults with hearing loss caused primarily by loss of cochlear sensory hair cells would be the most likely eventual candidates for therapies developed from this work.
Not a fit: People whose hearing loss is due mainly to auditory nerve degeneration, central hearing pathway problems, congenital structural malformations, or non–hair-cell causes are unlikely to benefit from hair-cell regeneration approaches.
Why it matters
Potential benefit: If successful, this approach could enable regeneration of the sensory hair cells that are lost in many forms of hearing loss and potentially restore hearing function.
How similar studies have performed: Related work has shown hair-cell regeneration in birds and some promising results in animal models, but human therapies for hair-cell regeneration remain largely preclinical and unproven.
Where this research is happening
Stanford, United States
- Stanford University — Stanford, United States (Active)
Researchers
- Principal investigator: Benkafadar, Nesrine — Stanford University
- Study coordinator: Benkafadar, Nesrine
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.