How early life stress affects brain serotonin neurons
Official title: Early life stress and differential effects on the molecular maturation of specific subtypes of brain serotonin neurons
Funded at Harvard Medical School · NIH-10725411 · Data updated 2026-11-12
This study looks at how tough experiences and stress in early life can affect the growth of certain brain cells that make serotonin, which is important for mood, and it’s being done with mice to help us understand how these changes might lead to mental health problems later on.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Harvard Medical School NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project start | August 25, 2023 |
| Project end | August 24, 2025 |
| Funding year | 2023 |
| Award (this year) | $466,125 |
| NIH project number | 1R21MH134020-01 |
| Project ID | NIH-10725411 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are children and adolescents who have experienced significant early life stress or adversity.
✕Less likely to help
Patients who have not experienced early life stress or those with unrelated mental health conditions may not benefit from this research.
What this research studies
This research investigates how extreme adversity and stress during early life can disrupt the development of specific types of serotonin-producing neurons in the brain. By studying mice, the researchers aim to identify which subtypes of these neurons are most vulnerable to early life stress and the molecular mechanisms involved. The study utilizes advanced techniques to analyze brain cells and their development over time, providing insights into how these changes may lead to mental health issues later in life.
Why it matters
Potential benefit: If successful, this research could lead to better understanding and prevention strategies for mental health disorders linked to early life stress.
How similar studies have gone: Previous research has shown promising results in understanding the effects of early life stress on brain development, making this study a continuation of established findings.
Where this research is happening
-
Harvard Medical School
Boston, United States Active
Researchers
- Principal investigator: Dymecki, Susan M. — Harvard Medical School
- Study coordinator: Dymecki, Susan M.
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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.