Document Type

Journal Article

Publication Title

Developmental Psychobiology

Volume

65

Issue

2

PubMed ID

36811373

Publisher

Wiley

School

School of Medical and Health Sciences

RAS ID

56458

Funders

Western Australian Child Health Research Fund / Raine Medical Research Foundation

Comments

Mancini, V. O., Brook, J., Hernandez, C., Strickland, D., Christophersen, C. T., D'Vaz, N., ... & Finlay‐Jones, A. (2023). Associations between the human immune system and gut microbiome with neurodevelopment in the first 5 years of life: A systematic scoping review. Developmental Psychobiology, 65(2), Article e22360. https://doi.org/10.1002/dev.22360

Abstract

The aim of this review was to map the literature assessing associations between maternal or infant immune or gut microbiome biomarkers and child neurodevelopmental outcomes within the first 5 years of life. We conducted a PRISMA-ScR compliant review of peer-reviewed, English-language journal articles. Studies reporting gut microbiome or immune system biomarkers and child neurodevelopmental outcomes prior to 5 years were eligible. Sixty-nine of 23,495 retrieved studies were included. Of these, 18 reported on the maternal immune system, 40 on the infant immune system, and 13 on the infant gut microbiome. No studies examined the maternal microbiome, and only one study examined biomarkers from both the immune system and the gut microbiome. Additionally, only one study included both maternal and infant biomarkers. Neurodevelopmental outcomes were assessed from 6 days to 5 years. Associations between biomarkers and neurodevelopmental outcomes were largely nonsignificant and small in effect size. While the immune system and gut microbiome are thought to have interactive impacts on the developing brain, there remains a paucity of published studies that report biomarkers from both systems and associations with child development outcomes. Heterogeneity of research designs and methodologies may also contribute to inconsistent findings. Future studies should integrate data across biological systems to generate novel insights into the biological underpinnings of early development.

DOI

10.1002/dev.22360

Creative Commons License

Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

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