NIH-funded research NIH-funded research

Understanding how Otopetrin proton channels work in cells

Official title: Cellular physiology of Otopetrin Proton Channels

Funded at University of Southern California · NIH-11005292 · Data updated 2026-11-12

This study is looking at a new group of channels in our cells that help control acidity and other important functions, which could help us understand how they work in both animals and humans, especially in the digestive system, and how this knowledge might help with certain health issues.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Southern California
NIH-funded
Lab location1 site (Los Angeles, UNITED STATES)
Project startJanuary 1, 2024
Project endNovember 30, 2028
Funding year2025
Award (this year)$371,250
NIH project number5R35GM152051-02
Project IDNIH-11005292 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for participation or benefit from this research include individuals with conditions related to digestive tract function or diseases associated with pH imbalance.

Less likely to help

Patients with conditions unrelated to cellular ion channels or digestive health may not receive any benefit from this research.

What this research studies

This research investigates a newly discovered family of proton-selective ion channels known as Otopetrins, focusing on their roles in various biological processes, including pH sensing and biomineralization. The study aims to explore the functional properties and distribution of these channels in both vertebrates and invertebrates, particularly OTOP2 and OTOP3. By employing multidisciplinary approaches, the research seeks to uncover how these channels contribute to cellular functions and their potential implications in disease prognosis. Patients may benefit from insights gained about the role of these channels in the digestive tract and other systems.

Why it matters

Potential benefit: If successful, this research could lead to a better understanding of cellular processes that may improve disease prognosis and treatment strategies.

How similar studies have gone: Other research has shown promise in understanding ion channels and their roles in cellular functions, suggesting that this approach could yield valuable insights.

Where this research is happening

  • University of Southern California
    Los Angeles, United States
    Active

Researchers

  • Principal investigator: Liman, Emily R. — University of Southern California
  • Study coordinator: Liman, Emily R.

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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.