Abstract

Ulcerative colitis (UC) is a chronic nonspecific inflammatory bowel disease characterized by chronic inflammation and ulceration of the colonic mucosa, frequent relapse, and cancerization that is difficult to cure. In recent years, the incidence of UC has increased. However, its etiology and pathogenesis are still not completely clear. In this study, dextran sodium sulfate (DSS) was used to induce the model, and GSK-J1 and dexamethasone were administered to the mice. A variety of molecular biology and immunological techniques, such as immunofluorescence, PCR and chromatin immunoprecipitation (ChIP), were used to examine JMJD3/H3K27me3-mediated regulation of Th17/Treg cell differentiation in UC by targeting histone modification. This study will provide an important theoretical basis for understanding the pathogenesis and potential therapeutic targets of UC.

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