NIH-funded research R01 grant

GNB2 in macrophages helps fight Legionella pneumonia

Official title: The Protective Role of GNB2 in Macrophages during Legionella Pneumonia

Funded at Boston University Medical Campus · NIH-11368634 · Data updated 2026-11-12

A doctor-scientist team will study how a protein called GNB2 helps lung immune cells in fighting Legionella pneumonia.

More Pneumonia research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBoston University Medical Campus
NIH-funded
Lab location1 site (Boston, United States)
Project startJuly 9, 2026
Project endMarch 31, 2028
Funding year2026
Award (this year)$1,580,582
NIH project number1R01HL181444-01A1
Project IDNIH-11368634 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals with Legionella infection or those with severe pneumonia involving alveolar macrophages in the future translational steps.

Less likely to help

Early-stage animal studies may not directly benefit patients until translated to human research.

What this research studies

This project looks at why Legionella infections can be deadly and how a specific protein in immune cells may boost the body’s early defense. Using mouse models with altered GNB2, researchers will observe how infection progresses and how inflammation is controlled. The goal is to uncover mechanisms that allow macrophages to clear bacteria and prevent severe illness, potentially guiding new treatments. Results could point to new targets to strengthen innate immunity in people with pneumonia from Legionella.

Why it matters

Potential benefit: If successful, findings could lead to new approaches to boost macrophage defenses and reduce severe pneumonia from Legionella.

How similar studies have gone: Previous work suggests macrophage pathways influence bacterial clearance, but this exact GNB2 role in Legionella is being explored.

Where this research is happening

  • Boston University Medical Campus
    Boston, United States
    Active

Researchers

  • Principal investigator: Bosmann, Markus — Boston University Medical Campus
  • Study coordinator: Bosmann, Markus

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.