ArticleEnvironmental research2023
Associations of prenatal exposure to a mixture of persistent organic pollutants with social traits and cognitive and adaptive function in early childhood: Findings from the EARLI study.
Article in Environmental research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 19 citations in OpenAlex.
- Enduring autism-like phenotypes and deregulated hypothalamic prosocial peptides after early-life exposure to indoor flame retardants in male C57BL/6 mice.Journal of neuroendocrinology · 2026Article
- Polychlorinated Biphenyls, Oxidative Stress, and Brain Health: Mechanistic Links to Neurodegenerative and Neurodevelopmental Diseases.Antioxidants (Basel, Switzerland) · 2026Review
- Enduring Autism-like Phenotypes and Deregulated Hypothalamic Prosocial Peptides After Early-Life Exposure to Indoor Flame Retardants in Male C57BL/6 Mice.bioRxiv : the preprint server for biology · 2025Article
- Association between gestational environmental chemical mixtures and folate exposures with autistic behaviors in a Canadian birth cohort.Environmental epidemiology (Philadelphia, Pa.) · 2025Article
- Maternal Thyroid Supplementation Prevents Autistic-relevant Social Behavior and Hypothalamic Oxytocin Depletion Produced by Developmental Exposure to Environmental Toxicants.bioRxiv : the preprint server for biology · 2025Article
- Neurotransmitter Systems Affected by PBDE Exposure: Insights from In Vivo and In Vitro Neurotoxicity Studies.Toxics · 2025Review
- Article
- Developmental dyslexia genes are selectively targeted by diverse environmental pollutants.BMC psychiatry · 2024Article
- Metabolic network analysis of pre-ASD newborns and 5-year-old children with autism spectrum disorder.Communications biology · 2024Article
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Authors and funding
11 authors at 7 institutions in 1 country.
Funding
Abstract
backgroundLiterature suggests that maternal exposure to persistent organic pollutants (POPs) may influence child neurodevelopment. Evidence linking prenatal POPs and autism spectrum disorder has been inconclusive and few studies have examined the mixture effect of the POPs on autism-related traits.
objectiveTo evaluate the associations between prenatal exposure to a mixture of POPs and autism-related traits in children from the Early Autism Risk Longitudinal Investigation study.
methodsMaternal serum concentrations of 17 POPs (11 polychlorinated biphenyls [PCBs], 4 polybrominated diphenyls [PBDEs], and 2 persistent pesticides) in 154 samples collected during pregnancy were included in this analysis. We examined the independent associations of the natural log-transformed POPs with social, cognitive, and behavioral traits at 36 months of age, including Social Responsiveness Scale (SRS), Mullen Scales of Early Learning-Early Learning Composite (MSEL-ELC), and Vineland Adaptive Behavior Scales (VABS) scores, using linear regression models. We applied Bayesian kernel machine regression and quantile g-computation to examine the joint effect and interactions of the POPs.
resultsHigher ln-PBDE47 was associated with greater deficits in social reciprocity (higher SRS score) (β = 6.39, 95% CI: 1.12, 11.65) whereas higher ln-p,p'-DDE was associated with lower social deficits (β = -8.34, 95% CI: -15.32, -1.37). Positive associations were observed between PCB180 and PCB187 and cognitive (MSEL-ELC) scores (β = 5.68, 95% CI: 0.18, 11.17; β = 4.65, 95% CI: 0.14, 9.17, respectively). Adaptive functioning (VABS) scores were positively associated with PCB170, PCB180, PCB187, PCB196/203, and p,p'-DDE. In the mixture analyses, we did not observe an overall mixture effect of POPs on the quantitative traits. Potential interactions between PBDE99 and other PBDEs were identified in association with MSEL-ELC scores.
conclusionsWe observed independent effects of PCB180, PCB187, PBDE47, and p,p' DDE with ASD-related quantitative traits and potential interactions between PBDEs. Our findings highlight the importance of assessing the effect of POPs as a mixture.
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