Brain immune cells' role in heavy drinking
5/11 Microglial MyD88 in Mouse Models of Excessive Alcohol Intake
This research looks at whether changing a brain immune signaling protein called MyD88 in mice affects patterns of heavy drinking and related brain cell changes.
Quick facts
| Grant type | U01 cooperative agreement |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Duke University NIH-funded |
| Lab location | 1 site (Durham, United States) |
| Project ID | NIH-11295412 on NIH RePORTER |
What this research studies
From a patient's perspective, researchers are using genetically modified mice to turn off a specific immune signaling molecule (MyD88) in brain immune cells called microglia to see how that changes drinking behavior. They measure inflammatory signals, counts of important brain neurons (parvalbumin-positive interneurons) and their surrounding protective structures (perineuronal nets), and how much alcohol the mice drink in a standard 'drinking-in-the-dark' test. The team compares males and females because early findings suggest sex differences, and they look at how reduced microglial signaling changes brain inflammation and drinking. Although this work uses mice, the goal is to learn whether targeting this immune pathway could influence heavy drinking and brain circuit protection in people with alcohol problems.
Who could benefit from this research
Good fit: This project uses mouse models and does not enroll people, but it is most relevant to individuals with alcohol use disorder or heavy drinking who are interested in research on brain immune mechanisms.
Not a fit: People seeking immediate treatment or wanting to join a human clinical trial now are unlikely to benefit directly from this mouse-focused research.
Why it matters
Potential benefit: If successful, the work could point to new immune-related targets for treatments that reduce heavy drinking or protect brain circuits in alcohol use disorder.
How similar studies have performed: Previous animal studies have linked neuroimmune signaling to alcohol drinking and dependence, but translating these findings into proven human treatments remains unproven.
Where this research is happening
Durham, United States
- Duke University — Durham, United States (Active)
Researchers
- Principal investigator: Bilbo, Staci D — Duke University
- Study coordinator: Bilbo, Staci D
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.