Methods Acute colitis was induced by giving 3% DSS orally. Eighteen male rats were randomized into DSS group ( n = 10 ) and normal control group ( n = 8). The rats in DSS control group drank 3% DSS solution from day 1 to day 7;

• 方法 SD大鼠18只,随机分为DSS诱导大鼠结肠炎模型组(10只)和正常对照组(8只)。