5. 肠炎观察指标包括： 体重； 拉稀程度；结肠病变情况等
Brief protocol of DSS induced IBD model
1. Mice 6-8 weeks old, female; Random divided into several groups;
2. DSS concentration 3.5%, control group treated with drink water;
3. DSS treatment DSS in drink water from Day 1 to Day 6 and changed to drink water from Day 7 to Day 12;
4. Observation Mice are observed by measuring body weight twice a week in the first cycle. When obvious weight loss appears, mouse weight is measured on daily basis.
5. Clinical colitis analysis colitis scoring based on Weight loss, Rectal bleeding, newline shortening, newline tissue damage.