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Infant gut microbiota and negative and fear reactivity

by Kataja, Eeva-Leena , O’Mahony, Siobhain M. , Huovinen, Venla , Karlsson, Linnea , Aatsinki, Anna-Katariina , Nolvi, Saara , Lahti, Leo , Lamichhane, Santosh , Bridgett, David J. , Keskitalo, Anniina , Korja, Riikka , Raunioniemi, Peppi , Dickens, Alex , Karlsson, Hasse , Munukka, Eveliina

in Age / Autism / Behavior / Birth Cohort / Boys / Brain research / Childhood / Children / Cohort analysis / Community composition / Disorders / Fear / Fear & phobias / Fear - psychology / Feces - microbiology / Female / Gastrointestinal Microbiome - physiology / Gut microbiota / Humans / Infant / Infant Behavior - physiology / Infant Behavior - psychology / Infants / Intestinal microflora / Linear analysis / Longitudinal Studies / Male / Mental disorders / Metabolism / Metabolites / Microbiota / Phenotypes / Population studies / Reactivity / RNA, Ribosomal, 16S - analysis / rRNA 16S / Temperament / Temperament - physiology

2024

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2024

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2024

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Journal Article

Infant gut microbiota and negative and fear reactivity

Kataja, Eeva-Leena,

O’Mahony, Siobhain M.,

Huovinen, Venla,

Karlsson, Linnea,

Aatsinki, Anna-Katariina,

Nolvi, Saara,

Lahti, Leo,

Lamichhane, Santosh,

Bridgett, David J.,

Keskitalo, Anniina,

Korja, Riikka,

Raunioniemi, Peppi,

Dickens, Alex,

Karlsson, Hasse,

Munukka, Eveliina

2024

Overview

Studies indicate that gut microbiota is related to neurodevelopmental and behavioral outcomes. Accordingly, early gut microbiota composition (GMC) has been linked to child temperament, but research is still scarce. The aim of this study was to examine how early GMC at 2.5 months is associated with child negative and fear reactivity at 8 and 12 months since they are potentially important intermediate phenotypes of later child psychiatric disorders. Our study population was 330 infants enrolled in the longitudinal FinnBrain Birth Cohort Study. Gut microbiota composition was analyzed using stool sample 16s rRNA sequencing. Negative and fear reactivity were assessed using the Laboratory Temperament Assessment Battery (Lab-TAB) at child's age of 8 months ( =150) and the Infant Behavior Questionnaire-Revised Short Form (IBQ-R SF) at child's age of 12 months ( = 276). We found a positive association between alpha diversity and reported fear reactivity and differing microbial community composition based on negative reactivity for boys. Isobutyric acid correlated with observed negative reactivity, however, this association attenuated in the linear model. Several genera were associated with the selected infant temperament traits. This study adds to the growing literature on links between infant gut microbiota and temperament informing future mechanistic studies.

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Publisher

Cambridge University Press

Subject

/ Autism

/ Boys