How an ion channel in the hippocampus may drive stress-related social withdrawal
Role of hippocampal HCN Channels in social avoidance
This research looks at whether changes in HCN channels in a memory-related part of the brain help cause social withdrawal after stressful events in both males and females.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Augusta University NIH-funded |
| Lab location | 1 site (Augusta, United States) |
| Project ID | NIH-11305265 on NIH RePORTER |
What this research studies
Researchers use male and female mice exposed to social stress to measure behaviors such as social avoidance and loss of pleasure. They measure HCN channel protein levels and electrical currents in the dorsal hippocampus (CA1) and compare animals that are resilient or susceptible to stress. The team also compares these mouse findings to human data showing higher HCN1 mRNA in the same hippocampal area from people with major depressive disorder. The goal is to understand sex differences and individual variation so future treatments can target the right brain mechanism.
Who could benefit from this research
Good fit: People with stress-related social withdrawal, anxiety, or major depressive disorder would be the most relevant group for this research.
Not a fit: Patients whose social difficulties stem from neurodevelopmental conditions (such as autism), primary medical illnesses, or causes unrelated to hippocampal stress pathways may not benefit from findings focused on HCN channels.
Why it matters
Potential benefit: If successful, this work could point to new drugs or strategies that reduce stress-related social withdrawal by targeting hippocampal HCN channels.
How similar studies have performed: Prior animal studies and some human post-mortem data link higher hippocampal HCN1 with depression-like behaviors, but directly targeting HCN channels in people is still largely untested.
Where this research is happening
Augusta, United States
- Augusta University — Augusta, United States (Active)
Researchers
- Principal investigator: Kim, Chung Sub — Augusta University
- Study coordinator: Kim, Chung Sub
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.