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Effects of polystyrene nanoplastics on the bioaccumulation, distribution and parental transfer of ethylhexyl salicylate
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Researchers found that polystyrene nanoplastics affect the bioaccumulation and distribution of the UV filter ethylhexyl salicylate in zebrafish, and that nanoplastics facilitate the parental transfer of this chemical contaminant to offspring.
In this study, the accumulation and distribution of ethylhexyl salicylate (EHS) and polystyrene nanoplastics (PS-NPs) in parental zebrafish ( Danio rerio ) and offspring and the effects of PS-NPs on EHS bioavailability were investigated.
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Interactive transgenerational effects of polystyrene nanoplastics and ethylhexyl salicylate on zebrafish
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The combined transgenerational effects of polystyrene nanoplastics and the UV filter ethylhexyl salicylate (EHS) were studied in zebrafish across multiple generations. Nanoplastics affected the bioaccumulation and multigenerational toxicity of EHS, indicating that nanoplastics can modify chemical exposure outcomes across zebrafish generations.
Uptake Routes and Biodistribution of Polystyrene Nanoplastics on Zebrafish Larvae and Toxic Effects on Development
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Researchers exposed zebrafish embryos and larvae to amino-modified polystyrene nanoplastics to study uptake routes and biodistribution. The study found that nanoplastics accumulated in target organs and caused toxic developmental effects, providing evidence that these tiny plastic fragments can penetrate biological barriers and interfere with normal development in aquatic organisms.
Maternal transfer of nanoplastics to offspring in zebrafish (Danio rerio): A case study with nanopolystyrene
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Researchers demonstrated maternal transfer of polystyrene nanoplastics in zebrafish by feeding exposed females and detecting particles in yolk sacs, livers, and guts of offspring, finding that transferred nanoplastics reduced antioxidant enzyme activity and caused bradycardia in embryos without major effects on overall reproductive success.
Polystyrene Nanoplastic Exposure Adversely Affects Survivability of Zebrafish Larvae
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Researchers found that polystyrene nanoplastic exposure significantly reduces survival rates of zebrafish larvae in a dose-dependent manner, documenting behavioral abnormalities and developmental defects that highlight the toxicity of nanoscale plastic particles to early vertebrate life.
From mothers to offspring: Polystyrene nanoplastics create a hidden toxic legacy via mitochondrial dysfunction
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Researchers exposed female zebrafish to polystyrene nanoplastics before mating with unexposed males and found that maternal exposure at 100 μg/L reduced offspring hatching success and caused developmental defects in the F1 generation raised in clean water, demonstrating transgenerational toxicity via mitochondrial dysfunction.
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