NIH-funded research R03 grant

Understanding how gut bacteria affect the immune system

Official title: Development of Commensal-Specific T cell Studies

Funded at Massachusetts General Hospital · NIH-11119219 · Data updated 2026-11-12

This study is looking at how the friendly bacteria in our gut interact with our immune system, which could help us understand and improve treatments for conditions like inflammatory bowel disease and autoimmune disorders.

Quick facts

Grant typeR03 grant
Study typeNIH-funded research
Funding institutionMassachusetts General Hospital
NIH-funded
Lab location1 site (Boston, United States)
Project startMay 1, 2025
Project endApril 30, 2027
Funding year2025
Award (this year)$74,718
NIH project number1R03AI190870-01
Project IDNIH-11119219 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include individuals with autoimmune diseases, inflammatory bowel diseases, or other conditions related to gut microbiome dysbiosis.

Less likely to help

Patients without any autoimmune conditions or gastrointestinal issues may not benefit from this research.

What this research studies

This research investigates the relationship between commensal bacteria in the gastrointestinal tract and the immune system's response. By developing advanced tools to study T cells that respond to specific bacterial antigens, the research aims to uncover how these interactions influence health and disease, including conditions like inflammatory bowel disease and autoimmunity. The approach involves using peptide:MHC tetramers to identify and analyze these T cells in their natural environment, providing insights that could lead to improved treatments for various diseases.

Why it matters

Potential benefit: If successful, this research could lead to better treatments for autoimmune diseases and other conditions linked to gut bacteria.

How similar studies have gone: Previous research has shown promising results in understanding the immune system's interaction with gut microbiota, indicating that this approach could yield valuable insights.

Where this research is happening

  • Massachusetts General Hospital
    Boston, United States
    Active

Researchers

  • Principal investigator: Moon, James J — Massachusetts General Hospital
  • Study coordinator: Moon, James J

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.