JJournal of Nanobiotechnology4/24/2026Layer-by-layer engineered outer membrane vesicles enable oral upadacitinib delivery for inflammation control and fibrosis attenuation in ulcerative colitisRuoxue Dai·Zeyu Xiao·Ying Shi·Siqi Zhang·Yin He·Jiaxin Yuan·Xi Xu·Junjie Zeng·Jifeng Chen·Changzheng Shi·Y. Hu·Jingge Yang·Liangping Luo·Shuang CheRead at Journal of NanobiotechnologyTagsExtracellular vesicles in diseaseMolecular Biology