Original ResearchPublished 5 October 2026Polystyrene nanoplastics impair mitochondrial function, quality control, and ER–mitochondria crosstalk in HeLa cellsGiuseppe Petito · Maria Teresa Gentile · Arianna Cuomo · Angelo Fusco · Sara Falvo · Maria della Valle · Gianluca D’Abrosca · Carla Isernia · Roberto Fattorusso · Maria Emanuela Errico · Antonia Lanni · Gaetano Malgieri · Rosalba SeneseFrontiers in Toxicologydoi 10.3389/ftox.2026.1907794