Dynamic evaluation of ulcerative colitis model in BALB/c mice induced by dextran sulfate sodium salt

Abstract In this experiment, BALB/c mice were induced by dextran sulfate sodium (DSS) to establish ulcerative colitis (UC) model. Treatment by intragastric administration of oxalazine (600 mg/Kg)，the disease activity index (DAI), colonic mucosal injury index (CMDI) and histopathological score (HS) of mice in each group were measured at different times. And the changes of T cell subsets in spleen and the content of IL-1 β in serum of UC mice at different time points were detected by flow cytometry and ELISA method. The investigation of the dynamic changes of various indexes in mice during the period of modeling and administration is of great significance for exploring the etiology and pathological changes of the disease, determining the methods of treatment and the research and development of new drugs.

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