A pilot study on the role of the oxytocinergic system in gut microbiome composition in children with autism: baseline associations and effects of intranasal oxytocin.

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Title: A pilot study on the role of the oxytocinergic system in gut microbiome composition in children with autism: baseline associations and effects of intranasal oxytocin.
Authors: Margaux E; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium; Ghent University, Department of Biochemistry and Microbiology, Laboratory of Microbiology, Ghent, Belgium., Elise T; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium., Muriel D; KU Leuven, Department of Microbiology and Immunology, Rega Institute, Leuven, Belgium; VIB, Center for Microbiology, Leuven, Belgium., Matthijs M; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium; KU Leuven, Department of Neurosciences, Center for Developmental Psychiatry, Leuven, Belgium., Jellina P; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium., Arnau VV; KU Leuven, Department of Microbiology and Immunology, Rega Institute, Leuven, Belgium; VIB, Center for Microbiology, Leuven, Belgium., Jean S; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium; KU Leuven, Department of Neurosciences, Center for Developmental Psychiatry, Leuven, Belgium., Nicky D; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium., Bart B; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium; KU Leuven, Department of Neurosciences, Center for Developmental Psychiatry, Leuven, Belgium., Jeroen R; KU Leuven, Department of Microbiology and Immunology, Rega Institute, Leuven, Belgium; VIB, Center for Microbiology, Leuven, Belgium., Kaat A; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium. Electronic address: kaat.alaerts@kuleuven.be.
Source: Brain, behavior, and immunity [Brain Behav Immun] 2026 Aug; Vol. 136, pp. 106579. Date of Electronic Publication: 2026 Apr 04.
Publication Type: Journal Article; Randomized Controlled Trial
Journal Info: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 8800478 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1090-2139 (Electronic) Linking ISSN: 08891591 NLM ISO Abbreviation: Brain Behav Immun Subsets: MEDLINE
Database: MEDLINE Ultimate
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  Data: A pilot study on the role of the oxytocinergic system in gut microbiome composition in children with autism: baseline associations and effects of intranasal oxytocin.
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  Data: <searchLink fieldCode="AU" term="%22Margaux+E%22">Margaux E</searchLink>; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium; Ghent University, Department of Biochemistry and Microbiology, Laboratory of Microbiology, Ghent, Belgium.<br /><searchLink fieldCode="AU" term="%22Elise+T%22">Elise T</searchLink>; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium.<br /><searchLink fieldCode="AU" term="%22Muriel+D%22">Muriel D</searchLink>; KU Leuven, Department of Microbiology and Immunology, Rega Institute, Leuven, Belgium; VIB, Center for Microbiology, Leuven, Belgium.<br /><searchLink fieldCode="AU" term="%22Matthijs+M%22">Matthijs M</searchLink>; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium; KU Leuven, Department of Neurosciences, Center for Developmental Psychiatry, Leuven, Belgium.<br /><searchLink fieldCode="AU" term="%22Jellina+P%22">Jellina P</searchLink>; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium.<br /><searchLink fieldCode="AU" term="%22Arnau+VV%22">Arnau VV</searchLink>; KU Leuven, Department of Microbiology and Immunology, Rega Institute, Leuven, Belgium; VIB, Center for Microbiology, Leuven, Belgium.<br /><searchLink fieldCode="AU" term="%22Jean+S%22">Jean S</searchLink>; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium; KU Leuven, Department of Neurosciences, Center for Developmental Psychiatry, Leuven, Belgium.<br /><searchLink fieldCode="AU" term="%22Nicky+D%22">Nicky D</searchLink>; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium.<br /><searchLink fieldCode="AU" term="%22Bart+B%22">Bart B</searchLink>; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium; KU Leuven, Department of Neurosciences, Center for Developmental Psychiatry, Leuven, Belgium.<br /><searchLink fieldCode="AU" term="%22Jeroen+R%22">Jeroen R</searchLink>; KU Leuven, Department of Microbiology and Immunology, Rega Institute, Leuven, Belgium; VIB, Center for Microbiology, Leuven, Belgium.<br /><searchLink fieldCode="AU" term="%22Kaat+A%22">Kaat A</searchLink>; KU Leuven, Department of Rehabilitation Sciences, Research Group for Neurorehabilitation, Leuven, Belgium; KU Leuven, Leuven Autism Research (LAuRes) Consortium, Leuven, Belgium. Electronic address: kaat.alaerts@kuleuven.be.
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  Data: <searchLink fieldCode="JN" term="%228800478%22">Brain, behavior, and immunity</searchLink> [Brain Behav Immun] 2026 Aug; Vol. 136, pp. 106579. <i>Date of Electronic Publication: </i>2026 Apr 04.
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  Data: <i>Publisher: </i><searchLink fieldCode="PB" term="%22Elsevier%22">Elsevier </searchLink><i>Country of Publication: </i>Netherlands <i>NLM ID: </i>8800478 <i>Publication Model: </i>Print-Electronic <i>Cited Medium: </i>Internet <i>ISSN: </i>1090-2139 (Electronic) <i>Linking ISSN: </i><searchLink fieldCode="IS" term="%2208891591%22">08891591 </searchLink><i>NLM ISO Abbreviation: </i>Brain Behav Immun <i>Subsets: </i>MEDLINE
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              Text: 2026 Aug
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