How serotonin affects brain circuits related to depression

Serotonergic modulation of the circuits and cell-types of the lateral habenula

NIH-funded research Boston University Medical Campus · NIH-11226951

This study is looking at how certain brain cells that release serotonin affect mood and decision-making, with the goal of finding better ways to treat depression and improve existing treatments like SSRIs.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBoston University Medical Campus NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11226951 on NIH RePORTER

What this research studies

This research investigates the role of serotonin-releasing neurons in the brain, particularly focusing on the lateral habenula, which is involved in emotional control and decision-making. By examining how serotonin influences different types of neurons and their activity, the study aims to uncover the mechanisms behind depression and the effectiveness of common treatments like SSRIs. The research employs advanced techniques such as single-cell transcriptome sequencing to identify specific neuron types and their responses to serotonin. This could lead to a better understanding of how to improve depression therapies.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals experiencing major depression or related mood disorders.

Not a fit: Patients with depression not responsive to serotonin-based treatments or those with other underlying neurological conditions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective treatments for depression by targeting specific brain circuits and cell types.

How similar studies have performed: Previous research has shown promising results in understanding serotonin's role in depression, but this specific approach focusing on the lateral habenula is relatively novel.

Where this research is happening

Boston, 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.
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.