ArticleFrontiers in behavioral neuroscience2025
Vitamin A attenuates PFOS-induced neurotoxicity and alters early proximity patterns to conspecifics in zebrafish larvae.
Article in Frontiers in behavioral neuroscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Persistent pollutants and the developing brain: the role of PFAS in neurodevelopmental disorders.Frontiers in cellular neuroscience · 2025Review
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10 authors.
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Abstract
Introduction: Perfluorooctane sulfonic acid (PFOS), a persistent perfluoroalkyl substance with ubiquitous environmental distribution and bioaccumulative potential, has raised significant public health concerns due to its association with neurodevelopmental disorders. This study investigates vitamin A's neuroprotective capacity against PFOS-induced toxicity, particularly focusing on social behavior deficits-a core phenotype of autism spectrum disorder (ASD). Methods: Zebrafish larvae were exposed to 1 μM or 5 μM PFOS (with/without 5 nM vitamin A co-treatment) from 24-144 hours post-fertilization (hpf). Control groups received 0.01% DMSO (vehicle) or 5 nM vitamin A alone. Developmental parameters (body length, heart rate), locomotor activity (total distance moved), and neurobehavioral endpoints (conspecific interaction) were quantified using automated tracking systems (ViewPoint ZebraLab). Neurochemical alterations were assessed through qPCR (dopaminergic genes) and AO staining (apoptosis). Results: PFOS exposure (5 μM) significantly increased inter-individual distance (IID) and reduced physical contact frequency during social interaction tests. Neurochemical analyses revealed concurrent dopamine transporter downregulation and apoptosis-related gene activation . Vitamin A co-treatment attenuated these effects. Discussion: Our findings demonstrate that PFOS disrupts early social neurodevelopment through dopaminergic dysregulation and apoptotic signaling, while vitamin A exhibits counteractive potential. this study elucidates the impact of PFOS exposure on zebrafish social behavior and brain development. while highlighting the neuroprotective potential of vitamin A against PFOS exposure, These findings have significant guiding implications for the development of public health policy and provide a scientific foundation for comprehending the neurotoxicity of PFOS and developing effective intervention measures.
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