Effect of per- and polyfluoroalkyl substances on neurodevelopment: Evidence-based risk assessment in the TRAEC strategy context

[Display omitted] •The effect of maternal PFASs on offspring neurodevelopment was at a medium risk level.•The population-attributable risk of NDs was estimated at 8.26 % for maternal PFASs.•The low-risk effect of PFASs was evidenced on the ASD and behavioral disability.•TRAEC strategy is contributed...

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Bibliographic Details
Published in:	Environment international Vol. 191; p. 109003
Main Authors:	Ning, Jie, Ding, Chaoshun, Xu, Haoyi, Liu, Zhaofeng, Guan, Quanquan, Xia, Yankai, Xu, Qing
Format:	Journal Article
Language:	English
Published:	Netherlands Elsevier Ltd 01-09-2024 Elsevier
Subjects:	Neurodevelopmental disorders PFASs Risk assessment TRAEC strategy TRAEC strategy PFASs Neurodevelopmental disorders Risk assessment
Online Access:	Get full text
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Summary:	[Display omitted] •The effect of maternal PFASs on offspring neurodevelopment was at a medium risk level.•The population-attributable risk of NDs was estimated at 8.26 % for maternal PFASs.•The low-risk effect of PFASs was evidenced on the ASD and behavioral disability.•TRAEC strategy is contributed to PFASs-induced neurodevelopment risk assessment. Although emerging evidence on the association between per- and polyfluoroalkyl substances (PFASs) and neurodevelopment have been investigated, there is no consensus on the effect of maternal PFASs on neurodevelopment in offspring. Here, we assessed the risk of maternal PFASs exposure on the neurodevelopment of offspring using a novel Targeted Risk Assessment of Environmental Chemicals (TRAEC) strategy based on multiple evidence. The evidence from five online databases were analyzed the effect of PFASs on neurodevelopment. The potential neurodevelopment risk of PFASs was evaluated by the TRAEC strategy, which was conducted on a comprehensive scoring system with reliability, correlation, outcome fitness and integrity. The studies from five databases and additional researchers’ experiments were included the present study to proceed following risk assessment. Based on the framework with TRAEC strategy, the comprehensive evaluation of health risks was classified as low (absolute value 0–4), medium (absolute value 4–8), high (absolute value 8–10). In the present study, the effect of PFASs exposure on neurodevelopment was a medium-risk level with 5.61 overall risk-score. The population-attributable risk (PAR) was 8.26 % for maternal PFASs exposure. The study identified a low-risk effect of prenatal PFASs exposure on ASD and behavioral disabilities. The chain length, type of PFASs and neurodevelopmental trajectories contributed to the risk of maternal PFASs on the neurodevelopment of offspring. Consistent with results of four criteria-based tools (ToxRTool, SciRAP, OHAT and IRIS), health risk assessment based on the TRAEC strategy demonstrated robustness and reliability in the present study. These results illustrated a medium-risk effect of maternal PFASs exposure on neurodevelopmental disorders of offspring. In addition, the TRAEC strategy provided a scientific and structured method for effect evaluation between prenatal PFASs and neurodevelopmental disorders, promoting the consistency and validation in risk assessment.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0160-4120 1873-6750 1873-6750
DOI:	10.1016/j.envint.2024.109003