How brain cells affect dopamine receptors and drug addiction.

Microglial pruning of dopamine receptors and opioid abuse.

NIH-funded research Duke University · NIH-11044051

This study looks at how brain immune cells called microglia help shape the development of dopamine receptors during teenage years and how this might affect the risk of addiction, especially after early exposure to drugs like morphine, using male rats to find ways to better prevent or treat addiction.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionDuke University NIH-funded
Lab location1 site (Durham, United States)
Project IDNIH-11044051 on NIH RePORTER

What this research studies

This research investigates the role of microglia, the immune cells in the brain, in the development of dopamine receptors during adolescence and their impact on drug addiction. It focuses on how these cells prune dopamine receptors in response to changes in dopamine activity, particularly during critical developmental periods. By studying male rats, the research aims to understand how early exposure to substances like morphine can lead to long-term changes in brain function and addiction potential. The findings could help identify new strategies to prevent or treat addiction by targeting microglial activity.

Who could benefit from this research

Good fit: Ideal candidates for this research are adolescents and young adults who are at risk for or currently experiencing substance use disorders.

Not a fit: Patients who are not adolescents or young adults, or those without a history of substance use, may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments for drug addiction by understanding how brain development influences addiction risk.

How similar studies have performed: Other research has shown promising results in understanding the role of microglia in brain development and addiction, suggesting that this approach could yield valuable insights.

Where this research is happening

Durham, United States

Researchers

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 below.
Conditions addictive disorder
Last reviewed 2026-06-13 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.