Restoring cofilin-1 to help airway cells heal in chronic bronchitis

Role of Cofilin-1 in Mitochondrial Quality Control Influencing Mechanisms of Airway Epithelial Dysfunction in Chronic Bronchitis

NIH-funded research Johns Hopkins University · NIH-11326179

Looks at whether returning a protein called cofilin-1 to healthy levels can help airway cells repair damage in people with chronic bronchitis.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionJohns Hopkins University NIH-funded
Lab location1 site (Baltimore, United States)
Project IDNIH-11326179 on NIH RePORTER

What this research studies

This project uses airway cells taken from people with chronic bronchitis and lab models exposed to cigarette smoke to see how low cofilin-1 weakens the airway lining. Researchers will change cofilin-1 levels and modify actin dynamics to observe effects on mitochondrial health, fission/fusion, and the movement of healthy mitochondria between cells. The work tests whether fixing these cellular processes restores a continuous, healthy epithelial layer. Findings may point toward new ways to protect or repair airway cells in COPD.

Who could benefit from this research

Good fit: Ideal candidates are people with chronic bronchitis or COPD who are willing to provide airway cell samples or participate in related specimen collection.

Not a fit: People seeking immediate symptom relief should not expect direct benefit because this grant supports laboratory research on cell samples rather than a clinical treatment trial.

Why it matters

Potential benefit: If successful, the work could point to new treatments that help airway cells repair and slow lung decline in chronic bronchitis.

How similar studies have performed: Early laboratory data from this group show that restoring cofilin-1 and reducing excess polymerized actin improves airway cell layer integrity, although translation into human therapies has not yet been established.

Where this research is happening

Baltimore, 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 2026-06-13 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.