Phenotypic attenuation masks persistent molecular perturbations during PFOS-cadmium co-exposure in zebrafish larvae.
Perfluorooctane sulfonate (PFOS) and cadmium (Cd) are persistent contaminants that frequently coexist in aquatic environments, yet their combined effects on early neurodevelopment remain unclear. Here, zebrafish embryos were exposed to environmentally relevant concentrations of Cd, PFOS, or their mixtures from 2 to 120...