NIH-funded research R01 grant

How lung cells sense mechanical tension to regulate gas exchange surface

Official title: Mechanosensor Function in the Control of Gas Exchange Surface Size and Composition

Funded at University of California, San Diego · NIH-10916474 · Data updated 2026-11-12

This study is looking at how lung cells respond to the stretching that happens when we breathe, focusing on a special sensor called Piezo2, to help us learn more about lung growth and healing, which could lead to better treatments for lung problems related to stress on the lungs.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Diego
NIH-funded
Lab location1 site (La Jolla, United States)
Project startSeptember 1, 2023
Project endJuly 31, 2027
Funding year2024
Award (this year)$555,136
NIH project number5R01HL169853-02
Project IDNIH-10916474 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with lung conditions or those at risk of developing lung diseases, particularly related to mechanical stress.

Less likely to help

Patients with non-respiratory conditions or those whose lung function is not affected by mechanical tension may not benefit from this research.

What this research studies

This research investigates how alveolar epithelial cells in the lungs sense mechanical tension during breathing and how this affects the size and composition of the gas exchange surface. By studying a specific mechanosensor called Piezo2, the research aims to understand its role in lung development and injury repair. The approach includes examining the molecular feedback mechanisms triggered by mechanical forces, which could lead to better insights into lung health and disease. Patients may benefit from findings that improve understanding of lung conditions related to mechanical stress.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for treating lung diseases by enhancing the repair and regeneration of lung tissue.

How similar studies have gone: Other research has shown promising results in understanding mechanosensation in various tissues, suggesting potential for success in this area as well.

Where this research is happening

  • University of California, San Diego
    La Jolla, United States
    Active

Researchers

  • Principal investigator: Sun, Xin — University of California, San Diego
  • Study coordinator: Sun, Xin

Related research

Other NIH-funded projects on the same topics.

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.