AUTHOR= TITLE=Retraction: Mendelian randomization based on immune cells in diabetic nephropathy JOURNAL=Frontiers in Endocrinology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1575593 DOI=10.3389/fendo.2025.1575593 ISSN=1664-2392