AUTHOR=Liu Lixiang , Tang Yu , Shao Jing , Fan Bingfeng , Yang Yifeng , Zhang Ying , Zhao Xiangyuan , Xue Hailong , Sun Huimin , Zhang Xulin , Zhang Yushi , Xu Baozeng TITLE=Stage-dependent changes in culture medium osmolality promote porcine oocyte maturation in vitro JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2025.1524749 DOI=10.3389/fcell.2025.1524749 ISSN=2296-634X