Brain glutamate pathways that drive alcohol dependence and heavy drinking
Limbic glutamatergic circuits in ethanol dependence and escalated operant self-administration
Researchers are looking at whether changes in glutamate signaling between the amygdala and brain reward centers cause increased alcohol drinking, to better help people with alcohol use disorder.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Univ of North Carolina Chapel Hill NIH-funded |
| Lab location | 1 site (Chapel Hill, United States) |
| Project ID | NIH-11238079 on NIH RePORTER |
What this research studies
This work uses mice to study how alcohol changes glutamate receptors and signaling in the basolateral amygdala and its connections to the nucleus accumbens, brain areas involved in reward. Scientists will measure receptor levels, record electrical activity, and use operant self-administration where mice press a lever for alcohol to model escalated drinking. Both male and female mice are included to detect sex differences. The team aims to link specific molecular and circuit changes to compulsive alcohol-seeking behavior.
Who could benefit from this research
Good fit: The findings would be most relevant to people with alcohol use disorder, especially those who have developed dependence and escalating or compulsive drinking.
Not a fit: People without alcohol problems or whose drinking is driven mainly by social or psychological factors rather than brain glutamate changes may not see direct benefit from this line of research.
Why it matters
Potential benefit: If successful, this research could identify new targets for medications that reduce craving and prevent relapse in people with alcohol dependence.
How similar studies have performed: Prior animal studies have connected AMPA receptor changes to alcohol reward and reinforcement, but moving from these findings to effective human treatments remains early and unproven.
Where this research is happening
Chapel Hill, United States
- Univ of North Carolina Chapel Hill — Chapel Hill, United States (Active)
Researchers
- Principal investigator: Hodge, Clyde W — Univ of North Carolina Chapel Hill
- Study coordinator: Hodge, Clyde W
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.