NIH-funded research R01 grant

Understanding how specific genes affect hearing in hair cells of the inner ear

Official title: Molecular Mechanisms of Clarin-1 and Clarin-2 function in mechanosensory hair cells

Funded at Johns Hopkins University · NIH-11163383 · Data updated 2026-11-12

This study is looking at two specific genes that help hair cells in the ear develop and work properly, which are important for hearing, to understand how changes in these genes can lead to hearing loss and find new ways to help people with hearing problems.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionJohns Hopkins University
NIH-funded
Lab location1 site (Baltimore, United States)
Project startAugust 7, 2024
Project endApril 30, 2029
Funding year2025
Award (this year)$683,822
NIH project number5R01DC021941-02
Project IDNIH-11163383 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with genetic mutations linked to hearing loss or those experiencing unexplained hearing deficits.

Less likely to help

Patients with hearing loss due to non-genetic factors or those without identifiable genetic mutations may not benefit from this research.

What this research studies

This research investigates the roles of two genes, clarin-1 and clarin-2, in the development and function of hair cells in the cochlea, which are crucial for hearing. By examining how mutations in these genes lead to hearing loss, the study aims to uncover the molecular mechanisms that regulate hair bundle development. The researchers will utilize advanced techniques such as genetic modification, immunohistochemistry, and electrophysiology to explore the interactions of these genes with other proteins linked to deafness. This comprehensive approach could provide insights into potential therapeutic targets for hearing disorders.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing or treating hearing loss caused by genetic mutations.

How similar studies have gone: Previous research has shown success in understanding the genetic basis of hearing loss, making this approach promising but still exploring specific gene interactions.

Where this research is happening

  • Johns Hopkins University
    Baltimore, United States
    Active

Researchers

  • Principal investigator: Mueller, Ulrich — Johns Hopkins University
  • Study coordinator: Mueller, Ulrich

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.
Last reviewed 2026-11-14 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.