How immune cells trap bacteria that cause diarrhea

Pyroptotic Macrophages Traps Against Shigella Infection

NIH-funded research Univ of Arkansas for Med Scis · NIH-10914092

This study is looking at how certain immune cells in our body, called macrophages, fight off infections from Shigella bacteria, which can cause serious diarrhea, especially in kids, and aims to find better ways to treat and prevent this illness.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniv of Arkansas for Med Scis NIH-funded
Lab location1 site (Little Rock, United States)
Project IDNIH-10914092 on NIH RePORTER

What this research studies

This research investigates how certain immune cells, called macrophages, respond to infections caused by Shigella bacteria, which lead to severe diarrhea and dysentery, particularly in children. The study focuses on a process called pyroptosis, where infected macrophages undergo a form of cell death that can trap and neutralize these harmful bacteria. By examining the interactions between macrophages and Shigella, the researchers aim to understand how these immune responses can be harnessed to improve treatment and prevention strategies for shigellosis. The research will involve both laboratory experiments and animal models to explore these mechanisms in detail.

Who could benefit from this research

Good fit: Ideal candidates for this research are children under 11 years old who are at risk for Shigella infections or have experienced acute diarrhea.

Not a fit: Patients who are not children or those who do not have a history of Shigella infection or acute diarrhea may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for preventing and treating Shigella infections, potentially reducing the incidence of severe diarrhea in children.

How similar studies have performed: Previous research has shown that targeting immune responses can be effective in managing bacterial infections, suggesting that this approach may yield promising results.

Where this research is happening

Little Rock, 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 2026-06-15 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.