How inner-ear balance cells become directionally tuned
Planar Polarity Mechanisms in Mammalian Inner Ear Development
Researchers are finding how tiny sensory cells in the inner ear line up to sense gravity and motion so people with balance problems might get better treatments in the future.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Emory University NIH-funded |
| Lab location | 1 site (Atlanta, United States) |
| Project ID | NIH-11310856 on NIH RePORTER |
What this research studies
This project looks at how groups of vestibular hair cells in the utricle and saccule get their directional orientation so they can detect linear acceleration and gravity. The team uses genetically modified mice (knockout and transgenic models) to follow cell-level changes during development. They combine molecular genetics focused on the regulatory kinase STK32A with biochemical and proteomics methods to identify the proteins and pathways that set up the Line of Polarity Reversal. Results aim to explain how a sensory map for balance is built in the inner ear.
Who could benefit from this research
Good fit: People with chronic dizziness, vertigo, or other vestibular (balance) disorders and those willing to contribute clinical information or tissue samples for future related studies would be most relevant.
Not a fit: Patients whose problems are unrelated to vestibular hair cell function (for example, isolated conductive hearing loss or non-vestibular neurologic causes of imbalance) are unlikely to benefit directly from this basic lab research.
Why it matters
Potential benefit: If successful, this work could point to new ways to prevent or repair the cellular causes of balance disorders.
How similar studies have performed: Previous animal studies have uncovered other genes and pathways controlling planar polarity in the ear, but applying genetic, transcriptional, and proteomic analyses to STK32A and the Line of Polarity Reversal represents a relatively new, detailed approach.
Where this research is happening
Atlanta, United States
- Emory University — Atlanta, United States (Active)
Researchers
- Principal investigator: Deans, Michael R — Emory University
- Study coordinator: Deans, Michael R
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.