How the immune system controls mucus-layer gut bacteria

Immune Interactions with the Mucus-Associated Microbiota

NIH-funded research University of Alabama at Birmingham · NIH-11129862

This project looks at how antibodies that need T-cell help keep mucus-associated gut bacteria in check to protect adults with inflammatory bowel disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Alabama at Birmingham NIH-funded
Lab location1 site (Birmingham, United States)
Project IDNIH-11129862 on NIH RePORTER

What this research studies

You would be hearing about research that explores how high-affinity, T-dependent antibodies regulate bacteria that live in the mucus lining of the intestine. In lab models investigators colonize animals with defined mucus-associated bacterial communities and compare normal immune responses to those in animals that cannot make T-dependent antibodies. They measure antibody responses to bacterial antigens, track immune cell activity, and examine inflammation in the colon to see how antibody-mediated control affects bacterial communities. The goal is to reveal mechanisms that could guide prevention or treatment strategies for intestinal inflammation in people with IBD.

Who could benefit from this research

Good fit: Adults with inflammatory bowel disease (Crohn's disease or ulcerative colitis) or adults willing to donate stool or blood samples for microbiome and immune studies would be the most relevant participants.

Not a fit: Children and people without gut inflammation are less likely to gain direct benefit from this research in the near term.

Why it matters

Potential benefit: If successful, this work could point to new ways to prevent or reduce intestinal inflammation by targeting antibody responses or mucus-associated bacteria in people with IBD.

How similar studies have performed: Previous animal and basic studies have shown that antibodies can shape gut bacteria, but translating those findings into human treatments is still exploratory.

Where this research is happening

Birmingham, 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 2026-06-09 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.