How clarin‑1 and clarin‑2 help inner‑ear hair cells work
Molecular Mechanisms of Clarin-1 and Clarin-2 function in mechanosensory hair cells
Researchers are learning how two genes, clarin‑1 and clarin‑2, help tiny sensory hair cells in the inner ear so people with genetic hearing loss might benefit.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Johns Hopkins University NIH-funded |
| Lab location | 1 site (Baltimore, United States) |
| Project ID | NIH-11324293 on NIH RePORTER |
What this research studies
If you or a family member have inherited hearing loss, this project looks at two genes tied to deafness and how they support the tiny hair‑like structures on cochlear hair cells. Scientists will use genetically modified models and lab techniques like immunohistochemistry, electron microscopy, biochemical tests, and electrophysiology to see how the clarin proteins interact with other known deafness proteins. The team will identify binding partners and protein complexes that shape hair‑bundle development and mechanotransduction. Results could point to molecular targets for future therapies or improve genetic diagnosis of some forms of hearing loss.
Who could benefit from this research
Good fit: People with inherited or early‑onset hearing loss, especially those known or suspected to have mutations in CLRN1 or CLRN2, would be the most relevant candidates for future related studies.
Not a fit: Patients whose hearing loss is due to other causes (for example noise exposure or age‑related degeneration) are less likely to directly benefit from this gene‑focused, preclinical work.
Why it matters
Potential benefit: If successful, the work could reveal molecular targets for new treatments and improve understanding and genetic diagnosis of inherited hearing loss.
How similar studies have performed: Previous animal and molecular studies have shown CLRN1 and CLRN2 mutations cause hair‑bundle defects, but translating those findings into treatments remains at an early stage.
Where this research is happening
Baltimore, United States
- Johns Hopkins University — Baltimore, United States (Active)
Researchers
- Principal investigator: Mueller, Ulrich — Johns Hopkins University
- Study coordinator: Mueller, Ulrich
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.