How breastmilk antibodies help newborns' immune systems balance gut bacteria

Breastmilk antibodies regulate neonatal immunity to the microbiota

NIH-funded research Fred Hutchinson Cancer Center · NIH-11026435

This study is looking at how the antibodies in breastmilk help newborns' immune systems respond to good and bad bacteria in their guts, which could lead to better health for babies.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionFred Hutchinson Cancer Center NIH-funded
Lab location1 site (Seattle, United States)
Project IDNIH-11026435 on NIH RePORTER

What this research studies

This research investigates the role of maternal antibodies found in breastmilk in shaping the immune responses of newborns to gut bacteria. It focuses on understanding how these antibodies help prevent harmful inflammatory responses while promoting tolerance to beneficial microbes. The study will explore the specific types of antibodies transmitted through breastmilk and their mechanisms of action in the neonatal gut. By examining these interactions, the research aims to uncover important insights into neonatal immunity and gut health.

Who could benefit from this research

Good fit: Ideal candidates for this research are newborns who are breastfed and may be at risk for immune-related issues.

Not a fit: Patients who are not newborns or those who are not breastfed may not receive benefits from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved strategies for enhancing neonatal immune health and preventing gut-related diseases in infants.

How similar studies have performed: Previous research has shown that maternal antibodies play a crucial role in infant immunity, suggesting that this approach has potential for success.

Where this research is happening

Seattle, 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.