How long-range inhibitory brain circuits help form memories
Long-range GABAergic inhibition coordinates hippocampal-subcortical circuit activity in memory formation
This project is learning how specific hippocampal brain cells that send calming signals to other regions help form and retrieve memories, with relevance to Alzheimer’s disease.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Case Western Reserve University NIH-funded |
| Lab location | 1 site (Cleveland, United States) |
| Project ID | NIH-11289408 on NIH RePORTER |
What this research studies
You would hear that researchers are mapping a special group of inhibitory brain cells in the hippocampus that send signals far away to other memory-related regions. The team uses animal models with tracing methods, light-activated proteins (optogenetics), and electrical recordings to see which cells connect where and how they control rhythmic activity important for memory. Early lab work shows somatostatin-expressing cells in the CA3 area project to medial septum and supramammillary nucleus and can inhibit target neurons. This basic research aims to link those circuit effects to the processes of encoding and retrieving memories that break down in Alzheimer’s disease.
Who could benefit from this research
Good fit: People with Alzheimer’s disease or noticeable memory problems could be future candidates for related clinical work or sample donation as this line of research progresses.
Not a fit: Patients seeking immediate treatment or those with non-memory-related conditions are unlikely to see direct benefit from this basic lab-focused work.
Why it matters
Potential benefit: If successful, this work could reveal new brain circuit targets that might guide future therapies to improve memory in Alzheimer’s disease.
How similar studies have performed: Related animal studies using tracing and optogenetics have mapped long-range inhibitory pathways, but translating these findings toward human treatments is still new.
Where this research is happening
Cleveland, United States
- Case Western Reserve University — Cleveland, United States (Active)
Researchers
- Principal investigator: Sun, Qian — Case Western Reserve University
- Study coordinator: Sun, Qian
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.