AUTHOR=Xu Yating , Ning Li , Si Yu , Li Xiu , Wang Ruyue , Ren Qingling TITLE=Metformin-mediated intestinal AMPK activation ameliorates PCOS through gut microbiota modulation and metabolic pathways JOURNAL=Frontiers in Endocrinology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1526109 DOI=10.3389/fendo.2025.1526109 ISSN=1664-2392