Exploring the Immunomodulatory Potential of Human Milk: Aryl Hydrocarbon Receptor Activation and Its Impact on Neonatal Gut Health

Several metabolites of the essential amino acid tryptophan have emerged as key players in gut homeostasis through different cellular pathways, particularly through metabolites which can activate the aryl hydrocarbon receptor (AHR). This study aimed to map the metabolism of tryptophan in early life a...

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Veröffentlicht in:Nutrients 2024-05, Vol.16 (10), p.1531
Hauptverfasser: Wieser, Naomi V, Ghiboub, Mohammed, Verseijden, Caroline, van Goudoever, Johannes B, Schoonderwoerd, Anne, de Meij, Tim G J, Niemarkt, Hendrik J, Davids, Mark, Lefèvre, Antoine, Emond, Patrick, Derikx, Joep P M, Jonge, Wouter J de, Sovran, Bruno
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container_issue 10
container_start_page 1531
container_title Nutrients
container_volume 16
creator Wieser, Naomi V
Ghiboub, Mohammed
Verseijden, Caroline
van Goudoever, Johannes B
Schoonderwoerd, Anne
de Meij, Tim G J
Niemarkt, Hendrik J
Davids, Mark
Lefèvre, Antoine
Emond, Patrick
Derikx, Joep P M
Jonge, Wouter J de
Sovran, Bruno
description Several metabolites of the essential amino acid tryptophan have emerged as key players in gut homeostasis through different cellular pathways, particularly through metabolites which can activate the aryl hydrocarbon receptor (AHR). This study aimed to map the metabolism of tryptophan in early life and investigate the effects of specific metabolites on epithelial cells and barrier integrity. Twenty-one tryptophan metabolites were measured in the feces of full-term and preterm neonates as well as in human milk and formula. The ability of specific AHR metabolites to regulate cytokine-induced IL8 expression and maintain barrier integrity was assessed in Caco2 cells and human fetal organoids (HFOs). Overall, higher concentrations of tryptophan metabolites were measured in the feces of full-term neonates compared to those of preterm ones. Within AHR metabolites, indole-3-lactic acid (ILA) was significantly higher in the feces of full-term neonates. Human milk contained different levels of several tryptophan metabolites compared to formula. Particularly, within the AHR metabolites, indole-3-sulfate (I3S) and indole-3-acetic acid (IAA) were significantly higher compared to formula. Fecal-derived ILA and milk-derived IAA were capable of reducing TNFα-induced IL8 expression in Caco2 cells and HFOs in an AHR-dependent manner. Furthermore, fecal-derived ILA and milk-derived IAA significantly reduced TNFα-induced barrier disruption in HFOs.
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Ghiboub, Mohammed ; Verseijden, Caroline ; van Goudoever, Johannes B ; Schoonderwoerd, Anne ; de Meij, Tim G J ; Niemarkt, Hendrik J ; Davids, Mark ; Lefèvre, Antoine ; Emond, Patrick ; Derikx, Joep P M ; Jonge, Wouter J de ; Sovran, Bruno</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c451t-3672f84a39db623924d9ca5019b87f834ba6576126bf77a03c492a86d23dade93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Acetic acid</topic><topic>aryl hydrocarbon receptors</topic><topic>Basic Helix-Loop-Helix Transcription Factors</topic><topic>breast milk</topic><topic>Caco-2 Cells</topic><topic>Calibration</topic><topic>Cytokines</topic><topic>digestive system</topic><topic>epithelium</topic><topic>essential amino acids</topic><topic>Feces</topic><topic>Feces - chemistry</topic><topic>Female</topic><topic>homeostasis</topic><topic>Humans</topic><topic>Hydrocarbons</topic><topic>Immunomodulators</topic><topic>indole acetic acid</topic><topic>Indoleacetic Acids - analysis</topic><topic>Indoleacetic Acids - metabolism</topic><topic>Infant Formula - chemistry</topic><topic>Infant, Newborn</topic><topic>Infant, Premature</topic><topic>Infants (Premature)</topic><topic>Inflammation</topic><topic>interleukin-8</topic><topic>Interleukin-8 - metabolism</topic><topic>Ligands</topic><topic>Metabolism</topic><topic>Metabolites</topic><topic>Microbiota</topic><topic>Milk</topic><topic>Milk, Human - chemistry</topic><topic>Milk, Human - metabolism</topic><topic>organoids</topic><topic>Organoids - metabolism</topic><topic>Premature birth</topic><topic>Receptors, Aryl Hydrocarbon - metabolism</topic><topic>Scientific equipment and supplies industry</topic><topic>Sepsis</topic><topic>Serotonin</topic><topic>Sulfates</topic><topic>Tryptophan</topic><topic>Tryptophan - analysis</topic><topic>Tryptophan - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wieser, Naomi V</creatorcontrib><creatorcontrib>Ghiboub, Mohammed</creatorcontrib><creatorcontrib>Verseijden, Caroline</creatorcontrib><creatorcontrib>van Goudoever, Johannes B</creatorcontrib><creatorcontrib>Schoonderwoerd, Anne</creatorcontrib><creatorcontrib>de Meij, Tim G J</creatorcontrib><creatorcontrib>Niemarkt, Hendrik J</creatorcontrib><creatorcontrib>Davids, Mark</creatorcontrib><creatorcontrib>Lefèvre, Antoine</creatorcontrib><creatorcontrib>Emond, Patrick</creatorcontrib><creatorcontrib>Derikx, Joep P M</creatorcontrib><creatorcontrib>Jonge, Wouter J de</creatorcontrib><creatorcontrib>Sovran, Bruno</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Physical Education Index</collection><collection>Health &amp; 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source MDPI - Multidisciplinary Digital Publishing Institute; MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; PubMed Central Open Access
subjects Acetic acid
aryl hydrocarbon receptors
Basic Helix-Loop-Helix Transcription Factors
breast milk
Caco-2 Cells
Calibration
Cytokines
digestive system
epithelium
essential amino acids
Feces
Feces - chemistry
Female
homeostasis
Humans
Hydrocarbons
Immunomodulators
indole acetic acid
Indoleacetic Acids - analysis
Indoleacetic Acids - metabolism
Infant Formula - chemistry
Infant, Newborn
Infant, Premature
Infants (Premature)
Inflammation
interleukin-8
Interleukin-8 - metabolism
Ligands
Metabolism
Metabolites
Microbiota
Milk
Milk, Human - chemistry
Milk, Human - metabolism
organoids
Organoids - metabolism
Premature birth
Receptors, Aryl Hydrocarbon - metabolism
Scientific equipment and supplies industry
Sepsis
Serotonin
Sulfates
Tryptophan
Tryptophan - analysis
Tryptophan - metabolism
title Exploring the Immunomodulatory Potential of Human Milk: Aryl Hydrocarbon Receptor Activation and Its Impact on Neonatal Gut Health
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