What makes T cells accept or reject transplanted organs

Determinants of T Cell Fate in Transplantation Tolerance

NIH-funded research Emory University · NIH-11172591

This project looks at signals that tell immune cells whether to attack or tolerate donated organs in transplant patients.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionEmory University NIH-funded
Lab location1 site (Atlanta, United States)
Project IDNIH-11172591 on NIH RePORTER

What this research studies

You would learn how researchers are trying to stop the immune system from rejecting transplanted organs by studying memory CD8+ T cells that resist standard immunosuppression. The team combines experiments in mice and non-human primates with analysis of human blood and data from a prior clinical trial to focus on a receptor called FcγRIIB and a cytokine called Fgl2. They will map the molecular chain, including SHIP1, that leads these T cells to survive or die. The work aims to identify targets that could one day help protect your transplant without lifelong high-dose immune suppression.

Who could benefit from this research

Good fit: Ideal candidates would be people who have received or are awaiting an organ transplant, especially those with signs of immune-mediated rejection or evidence of memory CD8+ T cell activity.

Not a fit: People without a transplant or whose rejection risk is not driven by memory CD8+ T cells are unlikely to receive direct benefit from this work.

Why it matters

Potential benefit: If successful, this could lead to treatments that reduce organ rejection and allow transplant patients to need less long-term immunosuppression.

How similar studies have performed: Prior animal studies and early human work indicate FcγRIIB can regulate CD8+ T cells, but the specific pathway involving Fgl2 and SHIP1 is largely novel and not yet proven in patients.

Where this research is happening

Atlanta, 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.