Understanding how salamanders regrow limbs
Official title: The function of chromatin remodeling in the patterning of the salamander limb
Funded at University of Massachusetts Boston · NIH-11221668 · Data updated 2026-11-12
This research explores how axolotl salamanders naturally regrow lost limbs to learn why human cells struggle to regenerate.
Quick facts
| Grant type | R15 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Massachusetts Boston NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project start | September 1, 2018 |
| Project end | July 31, 2028 |
| Funding year | 2025 |
| Award (this year) | $580,781 |
| NIH project number | 2R15HD092180-03A1 |
| Project ID | NIH-11221668 on NIH RePORTER |
Who could benefit from this research
✓Could help
This foundational research does not involve human participants, as it focuses on the biological processes of limb regeneration in axolotl salamanders.
✕Less likely to help
Patients seeking immediate therapeutic interventions for limb regeneration would not directly benefit from this basic science research.
What this research studies
We are studying axolotl salamanders to uncover the secrets behind their remarkable ability to regrow limbs after injury. The goal is to understand the cellular processes that allow their limb cells to respond to signals for organizing new limb structures. By identifying these natural regenerative abilities, we hope to discover the 'roadblocks' that prevent similar regeneration in human cells. This work uses a simplified method to observe how specific signals, like FGF and BMP, help cells become ready to regrow.
Why it matters
Potential benefit: If successful, this research could provide fundamental insights into the mechanisms of regeneration, potentially leading to new strategies for promoting tissue repair and regeneration in humans.
How similar studies have gone: Preliminary data from this research has already shown that certain signaling pathways are sufficient to induce patterning competency in limb wound cells, indicating a promising direction for this novel approach.
Where this research is happening
-
University of Massachusetts Boston
Boston, United States Active
Researchers
- Principal investigator: Mccusker, Catherine D — University of Massachusetts Boston
- Study coordinator: Mccusker, Catherine D
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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.