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Control of Eating Behavior Using a Novel Feedback System
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You Are What You (First) Eat.

Kelly L Buchanan1, Diego V Bohórquez2,3

  • 1School of Medicine, Duke University, Durham, NC, United States.

Frontiers in Human Neuroscience
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Early nutrition and microbial exposure in utero shape the developing gut-brain axis. These prenatal factors influence lifelong food preferences and neural circuit development.

Keywords:
enteroendocrine cellfetal microbiomegut-brain axisprenatal nutritionsensory neurodevelopment

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Area of Science:

  • Neuroscience
  • Gastroenterology
  • Developmental Biology

Background:

  • The gut-brain axis is crucial for regulating food intake and preferences.
  • Early life experiences, including diet and microbial exposure, significantly impact neurodevelopment.
  • The prenatal period is a critical window for establishing gut-brain communication.

Purpose of the Study:

  • To explore the influence of in utero exposures on gut-brain axis development.
  • To understand how prenatal nutrition and microbiota shape early food preferences.
  • To elucidate the mechanisms by which the prenatal gut and brain first interact.

Main Methods:

  • Literature review of current research on prenatal development.
  • Analysis of studies on amniotic fluid composition and maternal diet.
  • Examination of findings on in utero microbial colonization and its effects.

Main Results:

  • Amniotic fluid composition, influenced by maternal diet, primes the fetal gut.
  • In utero microbial exposure occurs earlier than previously thought, impacting gut colonization.
  • Prenatal factors establish the foundation for the gut-brain neural circuits involved in food processing.

Conclusions:

  • Prenatal nutrition and microbial exposures have a lasting impact on gut-brain development.
  • The prenatal environment plays a critical role in programming lifelong food preferences and behaviors.
  • Understanding early gut-brain interactions is key to addressing food-related disorders.