How sex chromosomes affect alcohol drinking
Sex chromosome contributions to alcohol drinking behaviors
This research looks at whether having one versus two X chromosomes changes alcohol drinking and relapse, which could help explain why men and women experience alcohol problems differently.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Miami University Oxford NIH-funded |
| Lab location | 1 site (Oxford, United States) |
| Project ID | NIH-11145036 on NIH RePORTER |
What this research studies
Researchers will use mice with different sex chromosome complements (XX, XY, XO) to compare alcohol intake and motivation to resume drinking after periods of abstinence. They will examine brain tissue to see which X-linked genes escape inactivation and how prior alcohol exposure changes their expression. The team will manipulate a candidate gene called Gprasp1 to test whether it changes drinking behavior through effects on dopamine receptors. Results are meant to reveal biological mechanisms behind sex differences in alcohol use that could guide future human studies.
Who could benefit from this research
Good fit: People with current or past heavy drinking or alcohol use disorder who are interested in research on biological reasons for sex differences would be most relevant.
Not a fit: People whose drinking problems are entirely driven by social or environmental factors and not biological pathways may not see direct benefit from this animal-based genetic research.
Why it matters
Potential benefit: If successful, this work could point to biological targets for sex-tailored prevention or treatment approaches for alcohol use problems.
How similar studies have performed: Prior animal studies have shown sex and gonadal hormones affect drinking, but tying specific X-linked genes like Gprasp1 to alcohol intake is a newer and less-tested approach.
Where this research is happening
Oxford, United States
- Miami University Oxford — Oxford, United States (Active)
Researchers
- Principal investigator: Radke, Anna Kay — Miami University Oxford
- Study coordinator: Radke, Anna Kay
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.