Understanding how salamanders regrow limbs and what it could mean for human healing
Official title: Deciphering the role of neuropeptides in appendage regeneration
Funded at Marine Biological Laboratory · NIH-11435987 · Data updated 2026-11-12
Scientists study how salamanders regenerate limbs to find clues that could help people heal better after injuries.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Marine Biological Laboratory NIH-funded |
| Lab location | 1 site (Woods Hole, United States) |
| Project start | September 1, 2026 |
| Project end | August 31, 2028 |
| Funding year | 2026 |
| Award (this year) | $431,112 |
| NIH project number | 1R21HD123328-01 |
| Project ID | NIH-11435987 on NIH RePORTER |
Who could benefit from this research
✓Could help
Not applicable at this stage; early research uses salamander biology but could inform future human applications.
✕Less likely to help
Direct patient benefit is not expected during early animal-focused research.
What this research studies
This project looks at why salamanders can regrow lost limbs and how the signals in their bodies trigger regeneration. Researchers focus on neuropeptides and other factors in axolotls to understand how cells are told to repair tissue. The goal is to translate these insights into potential human therapies that improve healing and reduce scarring after injuries.
Why it matters
Potential benefit: If successful, findings could inform new approaches to boost human tissue regeneration and wound healing.
How similar studies have gone: Previous work in regenerative biology has shown that certain signals can influence tissue regrowth in model animals, with potential relevance to humans.
Where this research is happening
-
Marine Biological Laboratory
Woods Hole, United States Active
Researchers
- Principal investigator: Diaz Quiroz, Juan Felipe — Marine Biological Laboratory
- Study coordinator: Diaz Quiroz, Juan Felipe
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.