How stem cells from different species compete in early embryos
Dissect the mechanisms underlying interspecies pluripotent stem cell competition
This project learns why human stem cells often lose out when placed into animal embryos to help future efforts to grow transplantable organs for people who need them.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Ut Southwestern Medical Center NIH-funded |
| Lab location | 1 site (Dallas, United States) |
| Project ID | NIH-11248788 on NIH RePORTER |
What this research studies
Scientists will use human and animal pluripotent stem cells and animal embryos in the lab to watch how donor and host cells interact during early development. They will analyze cell signaling and survival pathways, including mechanisms like p53 and apoptosis, that cause donor cells to be eliminated. The team will test molecular changes that might help donor human cells survive and contribute to organ formation. The work is done in cells and animal embryos rather than in people, with the long-term aim of informing ways to generate organs for transplantation.
Who could benefit from this research
Good fit: People with end-stage organ failure who need transplants are the long-term beneficiaries if the approach works, although the current research is preclinical and does not offer direct treatment.
Not a fit: Patients whose health needs are unrelated to organ replacement (for example, acute infections or most chronic non-organ conditions) are unlikely to benefit directly from this research in the near term.
Why it matters
Potential benefit: If successful, this work could make it more feasible to grow functional human-compatible organs in animals, potentially increasing the supply of organs for transplant.
How similar studies have performed: Previous experiments have shown human cells can engraft early in animal embryos but contribute poorly later, so this is a relatively new and challenging area with limited prior success.
Where this research is happening
Dallas, United States
- Ut Southwestern Medical Center — Dallas, United States (Active)
Researchers
- Principal investigator: Wu, Jun — Ut Southwestern Medical Center
- Study coordinator: Wu, Jun
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.