Understanding brain circuit problems in Dravet syndrome
Interneuron axonopathy underlies circuit dysfunction in a mouse model of Dravet syndrome
Researchers are looking at how wiring damage in certain brain cells may cause seizures and developmental problems in children with Dravet syndrome.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Children's Hosp of Philadelphia NIH-funded |
| Lab location | 1 site (Philadelphia, United States) |
| Project ID | NIH-11249243 on NIH RePORTER |
What this research studies
This project uses mice that carry the same SCN1A changes found in Dravet syndrome to find out why some inhibitory brain cells fail to send signals along their axons. Scientists will examine parvalbumin-positive and VIP interneurons with electrical recordings and imaging to see where action potentials break down. They will test ways to restore axon signaling and watch whether circuit activity and seizure-like events improve. The work aims to connect the genetic change to long-lasting circuit problems that could point to new treatments.
Who could benefit from this research
Good fit: Children with genetically confirmed SCN1A-related Dravet syndrome, especially those diagnosed in early childhood and with treatment-resistant seizures, are the most relevant group.
Not a fit: People with epilepsy caused by other genes or adults without SCN1A variants are unlikely to benefit directly from this specific line of research.
Why it matters
Potential benefit: If successful, this work could point to new treatments that restore inhibitory neuron signaling and reduce seizures, developmental problems, and SUDEP risk in children with Dravet syndrome.
How similar studies have performed: Previous mouse studies have shown interneuron dysfunction in Scn1a models and the investigators' earlier work found axon propagation problems, but therapies directly targeting axonopathy remain experimental.
Where this research is happening
Philadelphia, United States
- Children's Hosp of Philadelphia — Philadelphia, United States (Active)
Researchers
- Principal investigator: Goldberg, Ethan M — Children's Hosp of Philadelphia
- Study coordinator: Goldberg, Ethan M
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.