Cuproptosis-mediated mitochondrial dysfunction in cumulus cells inhibits bovine oocyte maturation - Hong Xu; Tian Tian; Yu Wang; Ying Liu; Yuqing Zhang; Jinghong Liang; Wenjie Yu; Qiang Sun; Guangying Zhu; Chang Liu; Mingkai Yu; Shuang Liang; et al. (Theriogenology, 2026)