How Early Life Stress Affects Breast Health and Cancer Risk

Effects of chronic pubertal stressors on mammary gland biology and cancer risk

NIH-funded research University of Chicago · NIH-11129865

This project explores how stress during puberty might change breast development and increase the chance of breast cancer later in life.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Chicago NIH-funded
Lab location1 site (Chicago, United States)
Project IDNIH-11129865 on NIH RePORTER

What this research studies

Researchers are using a rat model to understand how stress in early life, especially social isolation during puberty, can lead to a higher risk of breast cancer in adulthood. The team is looking at how stress hormones, called glucocorticoids, affect the development of breast tissue and increase certain cells linked to cancer. The goal is to uncover the specific ways these hormones cause problems and then test ways to reverse these effects using medicines or changes in the social environment. This work could help us find new ways to prevent breast cancer by addressing early life experiences.

Who could benefit from this research

Good fit: This foundational research is not directly recruiting patients but aims to understand risk factors relevant to women concerned about breast cancer prevention.

Not a fit: Patients currently undergoing breast cancer treatment or those seeking immediate therapeutic interventions would not directly benefit from this foundational research.

Why it matters

Potential benefit: If successful, this work could lead to new strategies for preventing breast cancer by addressing early life stress and its biological impacts.

How similar studies have performed: While the link between stress and health is known, this specific approach to connect pubertal stress, glucocorticoid reactivity, and mammary gland development in the context of breast cancer risk is a novel area of investigation.

Where this research is happening

Chicago, 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 Breast CancerBreast Cancer ModelBreast Cancer PreventionBreast Cancer Risk Factor
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.