How the protein taperin shapes the base of inner-ear hair cells

Taperin-based macromolecular complex at the base of stereocilia

NIH-funded research Indiana University Indianapolis · NIH-11290397

This work is looking at how the protein taperin supports the tiny hair-cell structures that let children hear, to better understand congenital hearing loss.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionIndiana University Indianapolis NIH-funded
Lab location1 site (Indianapolis, United States)
Project IDNIH-11290397 on NIH RePORTER

What this research studies

From my perspective, the team examines the tiny actin structures at the base of inner-ear hair bundles that are crucial for sensing sound. They use laboratory methods such as high-resolution imaging, biochemistry, and genetic models to see how taperin and related proteins organize those structures and control mechanical sensitivity. The researchers compare normal and disease-linked versions of these proteins and test how the hair bundle responds to forces that mimic sound or loud-noise damage. Findings could point to molecular targets for protecting or restoring hearing.

Who could benefit from this research

Good fit: People most directly relevant would be children or families with congenital, genetically linked hearing loss — especially those with known mutations in taperin (TPRN) or related hair-bundle genes who might donate samples or join follow-up studies.

Not a fit: People whose hearing problems come from middle-ear infections, age-related hearing loss, or non-genetic noise exposure may not benefit directly from this molecular work.

Why it matters

Potential benefit: If successful, the findings could point to ways to protect or repair the hair-cell structures that underlie congenital hearing loss, guiding future treatments to preserve or restore hearing in affected children.

How similar studies have performed: Related laboratory studies have identified other proteins (like TRIOBP and RIPOR2) that shape stereocilia and clarified basic mechanisms in animal models, but direct treatments based on these findings remain largely unproven.

Where this research is happening

Indianapolis, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.