How gut bacteria shape T cell responses
Decode and design T cell induction by a complex gut microbial community
Researchers are learning how different gut bacteria teach T cells so new, targeted treatments could help people with autoimmune and other immune-related conditions.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Harvard University NIH-funded |
| Lab location | 1 site (Cambridge, United States) |
| Project ID | NIH-11140818 on NIH RePORTER |
What this research studies
The team recreates a 'physiological' gut by introducing a defined community of 104 bacterial strains into germ-free mice and then tracks T cell responses. They will identify which bacteria trigger specific T cell receptors and map those responses to molecular mechanisms. The work is done in mouse models and lab assays to see how strains behave inside a full microbial community rather than alone. The long-term aim is to use that information to design microbial-based therapies that steer immune responses more safely and precisely.
Who could benefit from this research
Good fit: People with autoimmune diseases or other immune-related conditions could be future candidates for therapies developed from this research.
Not a fit: Because this is preclinical laboratory research in mice, people needing immediate treatment or those without immune-related conditions will not directly benefit right now.
Why it matters
Potential benefit: If successful, this work could enable microbiome-based treatments that teach the immune system to reduce harmful inflammation in autoimmune and other immune-related diseases.
How similar studies have performed: Previous studies show individual gut microbes can alter immune responses, but designing a complex community to program T cells is a newer and less-tested strategy.
Where this research is happening
Cambridge, United States
- Harvard University — Cambridge, United States (Active)
Researchers
- Principal investigator: Nagashima, Kazuki — Harvard University
- Study coordinator: Nagashima, Kazuki
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.