How spinal muscular atrophy harms spinal cord connections
Mechanisms of Central Synaptic Dysfunction in SMA
This work looks at how spinal muscular atrophy (SMA) damages the nerve connections in the spinal cord that control breathing, swallowing, and movement.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Columbia University Health Sciences NIH-funded |
| Lab location | 1 site (New York, United States) |
| Project ID | NIH-11370278 on NIH RePORTER |
What this research studies
Researchers are studying the spinal motor neurons that send signals from the brain to muscles to learn why they weaken and die in SMA. They will examine how inputs from sensory neurons, local spinal circuits, and immune-like pathways (including the complement system and p53-related processes) change synapses in laboratory models of SMA. The team will measure synaptic activity, molecular changes, and circuit-level effects on reflexes and muscle connections. Findings aim to reveal which steps cause synaptic loss so future treatments can protect or restore motor neuron function.
Who could benefit from this research
Good fit: People living with any form of spinal muscular atrophy, or family members willing to provide clinical information or biosamples, would be most relevant to this research.
Not a fit: Patients with other neuromuscular diseases unrelated to SMA or those seeking immediate treatment options may not directly benefit from this basic-mechanism research.
Why it matters
Potential benefit: If successful, this work could identify targets to protect or restore spinal synapses and slow or prevent motor neuron loss in people with SMA.
How similar studies have performed: Previous laboratory and animal studies, including the investigators' own work implicating the complement system and p53 pathways, have shown promising signals in models but have not yet yielded proven patient therapies.
Where this research is happening
New York, United States
- Columbia University Health Sciences — New York, United States (Active)
Researchers
- Principal investigator: Mentis, George Z — Columbia University Health Sciences
- Study coordinator: Mentis, George Z
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.