Regrowing and repairing damaged spinal discs
Mechanisms for Regenerative Healing in Intervertebral Discs
Researchers are learning how young spines heal to help develop better repair options for adults with disc-related back pain.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Icahn School of Medicine at Mount Sinai NIH-funded |
| Lab location | 1 site (New York, United States) |
| Project ID | NIH-11240297 on NIH RePORTER |
What this research studies
This project looks at why young spines can fully heal damaged discs while adult spines scar, using a mouse model where researchers create and then track healing of the disc’s outer ring (annulus fibrosus). They compare neonatal and adult discs to identify the specific cell types, extracellular-matrix stiffness, and signaling molecules that allow regenerative healing. Methods include cell-level analyses, mechanical testing, and advanced microscopy to map which cells and tissue forces are critical for repair. The goal is to turn those findings into clear design principles for improved annulus fibrosus repair approaches that could reduce reherniation and long-term pain after discectomy.
Who could benefit from this research
Good fit: Adults with intervertebral disc degeneration or people who have had discectomy and face recurrent herniation or discogenic back pain would be the most likely beneficiaries of therapies informed by this work.
Not a fit: People whose back pain comes from non-disc causes such as muscle strain, systemic inflammatory disease, or primary nerve disorders are unlikely to benefit directly from this research.
Why it matters
Potential benefit: Could lead to new ways to repair the disc’s outer ring (annulus fibrosus) and reduce reherniation and chronic back pain after surgery.
How similar studies have performed: Early clinical cell-therapy trials for discs show promise for reducing pain but have not solved delivery or annulus repair, and this mouse-based regenerative model is a novel way to identify healing mechanisms to guide better treatments.
Where this research is happening
New York, United States
- Icahn School of Medicine at Mount Sinai — New York, United States (Active)
Researchers
- Principal investigator: Iatridis, James C. — Icahn School of Medicine at Mount Sinai
- Study coordinator: Iatridis, James C.
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.