Nitrogen dioxide exposure promotes CD8+T cell infiltration and contributes to increased susceptibility to ulcerative colitis: An integrative multi‑omics, artificial intelligence, and mouse model study - Zhijie Wang; Xin Chang; Tian Fu; Dan Xu; Yuanhong Ma; Hao Zhang; Hubin Xia; Xiaofeng Zhang; Yingdong Hou (Journal of Hazardous Materials, 2026)