NIH-funded research R01 grant

How breastmilk antibodies help newborns' immune systems balance gut bacteria

Official title: Breastmilk antibodies regulate neonatal immunity to the microbiota

Funded at Fred Hutchinson Cancer Center · NIH-11026435 · Data updated 2026-11-12

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.

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Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionFred Hutchinson Cancer Center
NIH-funded
Lab location1 site (Seattle, United States)
Project startFebruary 1, 2023
Project endJanuary 31, 2028
Funding year2025
Award (this year)$624,131
NIH project number5R01AI173199-03
Project IDNIH-11026435 on NIH RePORTER

Who could benefit from this research

Could help

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

Less likely to help

Patients who are not newborns or those who are not breastfed may not receive benefits from this research.

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.

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 gone: 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

  • Fred Hutchinson Cancer Center
    Seattle, United States
    Active

Researchers

  • Principal investigator: Koch, Meghan Anne — Fred Hutchinson Cancer Center
  • Study coordinator: Koch, Meghan Anne

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.