How spinal cord circuits create the rhythm for walking
Mechanisms of locomotor rhythm generation in rodent spinal cord
Researchers are testing how nerve circuits in the spinal cord produce the rhythmic signals that control walking to help people with spinal cord injury, stroke, or ataxia.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Drexel University NIH-funded |
| Lab location | 1 site (Philadelphia, United States) |
| Project ID | NIH-11143186 on NIH RePORTER |
What this research studies
This work uses experiments in rodent spinal cords to find the cells and network interactions that generate walking rhythms. Scientists record neurons in the thoracolumbar spinal cord and manipulate circuits with targeted electrical, chemical, and genetic tools. They focus on three elements: individual neurons' rhythm-producing properties, excitatory interactions that synchronize neurons, and inhibitory connections that coordinate left-right and flexor-extensor activity. Findings are aimed at identifying targets that could be used with stimulation or drugs to improve walking in people with spinal cord injury, stroke, or balance disorders.
Who could benefit from this research
Good fit: Ideal candidates for future therapies based on this work would be adults with walking impairment from spinal cord injury, stroke-related motor deficits, or degenerative ataxias affecting gait.
Not a fit: People whose mobility loss is caused primarily by severe peripheral nerve damage, advanced systemic illness, or non-motor cognitive issues may not benefit from spinal-circuit based therapies.
Why it matters
Potential benefit: If successful, this research could point to new ways to activate spinal circuits and restore or improve walking after spinal cord injury, stroke, or ataxia.
How similar studies have performed: Related clinical work, such as epidural spinal stimulation, has produced encouraging walking improvements in some patients, but the underlying cellular mechanisms remain actively studied.
Where this research is happening
Philadelphia, United States
- Drexel University — Philadelphia, United States (Active)
Researchers
- Principal investigator: Dougherty, Kimberly J — Drexel University
- Study coordinator: Dougherty, Kimberly J
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.