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Akkermansia muciniphila modifies the association between metal exposure during pregnancy and depressive symptoms in late childhood
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Akkermansia muciniphila modifies the association between metal exposure during pregnancy and depressive symptoms in late childhood

Vishal Midya, Kiran Nagdeo, Jamil Lane, Libni Torres-Olascoaga, Gabriela Martínez, Megan Horton, Chris Gennings, Martha Téllez-Rojo, Robert Wright, Manish Arora, …
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02/14/2024
DOI: 10.21203/rs.3.rs-3922286/v1
PMCID: PMC10896378
PMID: 38410473
url
https://doi.org/10.21203/rs.3.rs-3922286/v1View
Preprint (Author's original)This preprint has not been evaluated by subject experts through peer review. Preprints may undergo extensive changes and/or become peer-reviewed journal articles. Open Access

Abstract

Emerging research suggests that exposures to metals during pregnancy and gut microbiome (GM) disruptions are associated with depressive disorders in childhood. , a GM bacteria, has been studied for its potential antidepressant effects. However, its role in the influence of prenatal metal exposures on depressive symptoms during childhood is unknown. Leveraging a well-characterized pediatric longitudinal birth cohort and its microbiome substudy (n=112) and using a state-of-the-art machine-learning model, we investigated whether the presence of in GM of 9-11-year-olds modifies the associations between exposure to a specific group of metals (or metal-clique) during pregnancy and concurrent childhood depressive symptoms. Among children with no , a metal-clique of Zinc-Chromium-Cobalt was strongly associated with increased depression score ( <0.0001), whereas, for children with , this same metal-clique was weakly associated with decreased depression score( <0.4). Our analysis provides the first exploratory evidence hypothesizing as a probiotic intervention attenuating the effect of prenatal metal-exposures-associated depressive disorders in late childhood.

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