Investigating how a specific micro-RNA can enhance antibiotic effectiveness against lung infections.

Let-7b in Extracellular Vesicles Secreted by Bronchial Epithelial Cells Increases the Antibiotic Sensitivity of Pseudomonas

NIH-funded research Dartmouth College · NIH-10745953

This study is looking at how a tiny molecule called let-7b, made by lung cells, can help make the bacteria that cause infections in people with chronic lung conditions, like COPD and cystic fibrosis, more sensitive to antibiotics, which could lead to better treatments for these patients.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionDartmouth College NIH-funded
Lab location1 site (Hanover, United States)
Project IDNIH-10745953 on NIH RePORTER

What this research studies

This research focuses on the role of let-7b, a micro-RNA secreted by bronchial epithelial cells, in increasing the sensitivity of the bacteria Pseudomonas aeruginosa to antibiotics. By studying how let-7b affects the bacteria's ability to form biofilms and resist treatment, the research aims to uncover new mechanisms of host-pathogen interactions in the lungs. Patients with chronic lung conditions, such as COPD and cystic fibrosis, may particularly benefit from understanding how this micro-RNA can enhance antibiotic efficacy. The research employs advanced techniques to analyze the interactions between let-7b and Pseudomonas, potentially leading to improved treatment strategies.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals with chronic obstructive pulmonary disease (COPD), cystic fibrosis, or recurrent bacterial lung infections.

Not a fit: Patients without chronic lung conditions or those not infected with Pseudomonas aeruginosa may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective treatments for lung infections, particularly in patients with chronic respiratory diseases.

How similar studies have performed: Previous studies have shown promising results in enhancing antibiotic sensitivity through micro-RNAs, suggesting that this approach may be effective.

Where this research is happening

Hanover, 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.