AUTHOR=Song Siyuan , Ning Li , Yu Jiangyi TITLE=Elucidating the causal relationship between gut microbiota, metabolites, and diabetic nephropathy in European patients: Revelations from genome-wide bidirectional mendelian randomization analysis JOURNAL=Frontiers in Endocrinology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2024.1391891 DOI=10.3389/fendo.2024.1391891 ISSN=1664-2392