AUTHOR=Zhao Ting , Wang Congyue , Liu Yuhan , Li Bo , Shao Mingjia , Zhao Wuyang , Zhou Chuang TITLE=The role of polysaccharides in immune regulation through gut microbiota: mechanisms and implications JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1555414 DOI=10.3389/fimmu.2025.1555414 ISSN=1664-3224