Understanding how a protein called C3 helps maintain gut health

Exploring the role of C3 in intestinal homeostasis

NIH-funded research Medical College of Wisconsin · NIH-11105838

This study is looking at how a part of the immune system called C3 helps keep the good bacteria and immune cells in your gut balanced, which could lead to new ways to understand how your body protects itself without causing inflammation.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMedical College of Wisconsin NIH-funded
Lab location1 site (Milwaukee, United States)
Project IDNIH-11105838 on NIH RePORTER

What this research studies

This research investigates the role of the complement component C3 in maintaining the balance of microbes and immune cells in the gastrointestinal tract. By using a model of non-inflammatory colonization with the bacterium Enterococcus faecalis, researchers will explore how C3 gene expression changes in the distal small intestine during homeostasis. They will utilize advanced techniques like spatial transcriptomics to identify specific cell types involved in this process and how C3 interacts with commensal bacteria. This study aims to uncover new insights into the non-inflammatory defense mechanisms of the gut.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with gastrointestinal conditions or those interested in gut health and microbiome interactions.

Not a fit: Patients with acute inflammatory bowel diseases or those not experiencing gut health issues may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for enhancing gut health and preventing gastrointestinal diseases.

How similar studies have performed: Previous research has shown promising results in understanding the role of the complement system in gut health, suggesting that this approach could yield valuable insights.

Where this research is happening

Milwaukee, 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.