How early life stress affects brain serotonin neurons

Early life stress and differential effects on the molecular maturation of specific subtypes of brain serotonin neurons

['FUNDING_R21'] · HARVARD MEDICAL SCHOOL · NIH-10725411

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

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorHARVARD MEDICAL SCHOOL (nih funded)
Locations1 site (BOSTON, UNITED STATES)
Trial IDNIH-10725411 on ClinicalTrials.gov

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.

Who could benefit from this research

Good fit: Ideal candidates for this research are children and adolescents who have experienced significant early life stress or adversity.

Not a fit: Patients who have not experienced early life stress or those with unrelated mental health conditions may not benefit from this research.

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 performed: 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

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.

View on NIH RePORTER →

Conditions: Mental disorders, Mental health disorders, Psychiatric Disease, Psychiatric Disorder

Last reviewed 2026-05-15 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.