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Nanopolystyrene translocation and fetal deposition after acute lung exposure during late-stage pregnancy
Summary
Researchers exposed pregnant mice to nanoscale polystyrene particles through inhalation and tracked where the particles traveled. They found that the nanoplastics crossed from the lungs into the bloodstream and accumulated in both placental and fetal tissues, confirming that inhaled plastic nanoparticles can reach developing offspring during pregnancy.
These studies confirm that maternal pulmonary exposure to nanopolystyrene results in the translocation of plastic particles to placental and fetal tissues and renders the fetoplacental unit vulnerable to adverse effects. These data are vital to the understanding of plastic particulate toxicology and the developmental origins of health and disease.