How microtubules help inner-ear hair cells develop and prevent deafness
Official title: Microtubule-Mediated Mechanisms Underlying Hair Cell Development and Deafness
Funded at University of Virginia · NIH-11390842 · Data updated 2026-11-12
Researchers are looking at how a gene called Cep85l helps inner-ear hair cells build the tiny bundles needed for hearing, which could explain some inherited hearing loss.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Virginia NIH-funded |
| Lab location | 1 site (Charlottesville, United States) |
| Project start | March 1, 2014 |
| Project end | March 31, 2031 |
| Funding year | 2026 |
| Award (this year) | $588,699 |
| NIH project number | 2R01DC013773-11 |
| Project ID | NIH-11390842 on NIH RePORTER |
Who could benefit from this research
✓Could help
People with unexplained sensorineural hearing loss, a family history of genetic deafness, or suspected mutations in CEP85L would be most relevant to this work.
✕Less likely to help
Those with conductive hearing loss from middle-ear problems or hearing loss solely due to loud-noise or age-related degeneration may not directly benefit from findings about hair-bundle morphogenesis.
What this research studies
The team studies the tiny hair cells in the cochlea that turn sound into nerve signals and how their internal skeletons (microtubules and actin) shape the stereocilia bundles. They use genetic tools such as CRISPR and Cep85l knockout mice along with high-resolution cell imaging to compare normal and mutant hair cells. By linking cellular structure changes to hearing loss, they aim to explain how mutations cause deafness and identify points that could be targeted by future therapies. The work connects a newly discovered deafness gene to the physical building of hair bundles that are essential for hearing.
Why it matters
Potential benefit: If successful, this could point to new genetic tests, guide early diagnosis, and identify targets for treatments to prevent or reduce certain kinds of inherited hearing loss.
How similar studies have gone: Prior mouse and cell studies linking other genes to hair-bundle defects have successfully explained forms of inherited deafness and helped genetic diagnosis, while work on Cep85l is a newer, specific direction.
Where this research is happening
-
University of Virginia
Charlottesville, United States Active
Researchers
- Principal investigator: Lu, Xiaowei — University of Virginia
- Study coordinator: Lu, Xiaowei
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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.