Oral Exposure to Polystyrene Nanoplastics Disrupts Gut–Testis Metabolic Homeostasis and EGR1-Associated Steroidogenic Regulation in Male Mice
Polystyrene nanoplastics (PS-NPs) may impair male reproduction through gut–testis metabolic disruption. ICR mice received 100 nm PS-NPs (1 mg/mouse/day) orally for 28 days; fecal microbiota transplantation, metabolomics, sodium butyrate (NaB) supplementation, and TM3-cell assays were used. PS-NPs impaired intestinal...