AUTHOR=Zheng Yanqiu , Li Huibiao , Qi Shiyu , Xiao Fan , Song Jinbin , Liu Shiyin , Chen Xinlin , Li Yanwu , Chen Muyuan TITLE=Periplanta americana extract regulates the Th17/Treg cell balance via Notch1 in ulcerative colitis JOURNAL=Frontiers in Pharmacology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2024.1534772 DOI=10.3389/fphar.2024.1534772 ISSN=1663-9812