How diet affects the immune response to lung infections

Dietary regulation of inflammasome-mediated host defense by branched-chain amino acid metabolism

NIH-funded research University of Pennsylvania · NIH-11069547

This study is looking at how certain nutrients in our diet, called branched-chain amino acids, can help boost the immune system's ability to fight off lung infections, and it could lead to new advice on what to eat for better respiratory health.

Quick facts

Grant typeFellowship grant
Study typeNIH-funded research
Funding institutionUniversity of Pennsylvania NIH-funded
Lab location1 site (Philadelphia, United States)
Project IDNIH-11069547 on NIH RePORTER

What this research studies

This research investigates how dietary factors, specifically branched-chain amino acids (BCAAs), influence the immune system's ability to fight off lung infections caused by bacteria like Legionella pneumophila. The study focuses on understanding the role of inflammasomes, which are proteins that help trigger inflammation and cell death to combat infections. By exploring the metabolic pathways activated by these amino acids, the research aims to uncover new ways to enhance the body's natural defenses against respiratory diseases. Patients may benefit from insights that could lead to dietary recommendations or therapies that improve immune responses.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with a history of respiratory infections or those at high risk for pneumonia.

Not a fit: Patients with non-respiratory infections or those not affected by dietary factors in their immune response may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new dietary strategies or treatments that enhance the immune response to respiratory infections.

How similar studies have performed: Previous research has shown that dietary components can significantly influence immune responses, suggesting potential success for this approach.

Where this research is happening

Philadelphia, 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.
Conditions bacteria infectionbacterial disease
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.