How gut bacteria chemicals help intestinal cells calm immune responses in the gut

Gut microbiota metabolite sensing licenses IEC to cross talk with T cells to inhibit intestinal inflammation

NIH-funded research Northwestern University · NIH-11290386

This research looks at how chemicals made by gut bacteria help intestinal cells communicate with immune cells to reduce inflammation in people with inflammatory bowel disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionNorthwestern University NIH-funded
Lab location1 site (Chicago, United States)
Project IDNIH-11290386 on NIH RePORTER

What this research studies

From a patient's point of view, researchers are studying short-chain fatty acids (like acetate and butyrate) produced by gut bacteria and how intestinal lining cells detect those molecules. They will use laboratory experiments and animal models to see how intestinal epithelial cells signal to CD4 T cells and whether that signaling reduces gut inflammation. The team plans to trace the molecular steps of this cell-to-cell communication to understand how microbial metabolites promote intestinal balance. The goal is to identify targets that could be boosted or mimicked to prevent or lessen inflammatory bowel disease.

Who could benefit from this research

Good fit: People with inflammatory bowel disease (Crohn's disease or ulcerative colitis) who are willing to provide samples or consider future related trials would be the most relevant candidates.

Not a fit: People without IBD or those seeking immediate symptom relief are unlikely to receive direct benefit from this basic laboratory-focused work.

Why it matters

Potential benefit: If successful, this work could point to new treatments that use or mimic bacterial metabolites to lower gut inflammation in IBD.

How similar studies have performed: Previous animal and lab studies show short-chain fatty acids can reduce colitis and allergic inflammation, but the specific role of epithelial-to-T cell signaling is a newer area of study.

Where this research is happening

Chicago, 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.