Understanding how the gut's immune system protects against infections

Gut complement system: Induction and protection against enteric infection

NIH-funded research Harvard Medical School · NIH-11050187

This study is looking at how gut bacteria help our immune system fight infections, especially in kids, by focusing on a protein called C3, and it will also check these findings in healthy people to see how they apply to everyone.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionHarvard Medical School NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11050187 on NIH RePORTER

What this research studies

This research investigates the role of the complement system in the gut, which is crucial for defending against infections. By using advanced techniques such as gnotobiotic mouse models and single-cell RNA sequencing, the study aims to understand how local production of a key protein, C3, is influenced by gut bacteria. The findings could reveal how variations in gut health affect the body's ability to fight off enteric infections, particularly in children. The research also includes validation studies with healthy human subjects to confirm the relevance of these findings.

Who could benefit from this research

Good fit: Ideal candidates for this research are children under 11 years old who are at risk for enteric infections.

Not a fit: Patients with established chronic gastrointestinal diseases or those over 11 years old may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing and treating infectious diarrhea in children.

How similar studies have performed: Previous research has shown promising results in understanding the gut's immune response, indicating that this approach could lead to significant advancements.

Where this research is happening

Boston, 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.