Maternal obesity is known to cause systemic lipid dysregulation, yet its effect on lipid reprogramming during the maternal-to-zygotic transition (MZT) remains unknown. Here, they show that obesity disrupts very-long-chain fatty acids (VLCFAs) storage in oocytes, impairing peroxisomal protein import in 2-cell embryos.
- Xiao-Guohui Zhang
- Lin-Li Yang
- Xiang-Hong Ou