Microplastic impacts on the reproductive system and offspring

Scientists report human-relevant polystyrene (PS) microplastic concentrations change mice placental metabolism; show nanoplastics have variable effects on placental enzymes using simulations; find pre- and postnatal PS microplastic exposure affects male mice testis development and fertility; recommend future research to analyze multigenerational effects

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Micro- and nanoplastics are released from food packaging

Researchers report cooking in non-stick Teflon cookware may lead to the release of thousands of micro- and nanoplastics; find 3 to 43 plastic particles prone to be released from Chinese polypropylene takeaway containers; detect around 1,500 microplastics/liter in Iranian bottled water; review points out that micro- and nanoplastic detection methods in food need validation and standardization

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AURORA study reviews available human placenta models

Scientists analyze available models that can be used to understand the transport and toxicity of micro- and nanoplastics in the placenta during fetal development; identify key knowledge gaps and recommend approaches for adapting methods; emphasize need to expand testing to longer-term exposures and additional polymer types

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AURORA introduction video