NIH-funded research R21 grant

Gene networks behind alcohol tolerance in fruit flies

Official title: Gene Network Analysis of Presynaptic Alcohol Tolerance in Drosophila

Funded at University of Mississippi · NIH-11435652 · Data updated 2026-11-12

A short, patient-friendly look at how brain signaling related to alcohol tolerance might be reversed or treated.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Mississippi
NIH-funded
Lab location1 site (University, United States)
Project startSeptember 20, 2026
Project endAugust 31, 2028
Funding year2026
Award (this year)$219,812
NIH project number1R21AA033403-01
Project IDNIH-11435652 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates would be individuals with alcohol use disorder seeking better treatment options in the future, once therapies are developed from this research.

Less likely to help

Healthy individuals without alcohol use disorder are unlikely to benefit directly from these findings.

What this research studies

This project studies how chronic alcohol tolerance develops at the level of brain signaling in fruit flies, with the goal of finding new ways to reduce withdrawal and relapse. Researchers will explore how a presynaptic protein called Dunc13 is involved in tolerance and how disrupting its function might reverse the tolerance state. The work uses genetic and molecular methods to identify the gene network that maintains chronic tolerance and tests new ways to modify it. If successful, the findings could guide the development of therapies that help people struggling with alcohol dependence.

Why it matters

Potential benefit: If successful, this research could point to new targets for therapies that lessen withdrawal and lower relapse risk for people with alcohol use disorder.

How similar studies have gone: Past research in model organisms has linked presynaptic proteins like Dunc13 to alcohol-related behaviors, supporting this approach as plausible.

Where this research is happening

  • University of Mississippi
    University, United States
    Active

Researchers

  • Principal investigator: Roman, Gregg W — University of Mississippi
  • Study coordinator: Roman, Gregg W

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.