Effects of Polyethylene Microplastics on Bovine Oocyte In Vitro Maturation

Abstract

The information presented in the institutional repository of the CONICET contains data from a study that investigated whether polyethylene microplastics (PE-MPs; 10–30 ?m), at concentrations reported in vivo, affect bovine oocyte maturation and subsequent embryonic development. Bovine cumulus–oocyte complexes were matured in vitro for 24 h in the presence of 0, 0.025, 0.5, or 1.5 ?g/mL PE-MPs. Nuclear maturation, mitochondrial distribution, content, and membrane potential (??m), intracellular glutathione (GSH) levels in oocytes, progesterone secretion by cumulus cells, and embryo development following IVF were evaluated.