炎症性肠病包括克罗恩病和溃疡性结肠炎,是除了胃肠道恶性肿瘤以外比较严重的一种慢性胃肠道疾病。目前该病病因和发病机制尚不完全明确,但最新研究发现该疾病与胃肠道粘膜免疫反应失衡有关。现有证据表明,对于遗传易感者来说,机体处理肠道抗原过程发生改变,引起致病性T细胞活 Inflammatory bowel disease, including Crohn’s disease and ulcerative colitis, is a chronic gastrointestinal disorder that is more severe than gastrointestinal malignancies. At present the etiology and pathogenesis of the disease is not yet completely clear, but the latest study found that the disease and gastrointestinal mucosal immune response imbalance. The available evidence shows that for the genetic susceptible, the body processes the change of intestinal antigen, causing pathogenic T cell activity