溃疡性结肠炎(UC)是弥散的慢性非特异性炎症性肠病,其病因和发病机制尚未完全明确。目前认为是由多因素相互作用所致,其中,UC的免疫学发病机制特别是细胞因子在发病机制中的作用,越来越引起人们的关注。细胞因子是由细胞分泌的具有生物活性的小分子蛋白质的总称,可分为白细胞介 Ulcerative colitis (UC) is a diffuse chronic nonspecific inflammatory bowel disease whose etiology and pathogenesis have not yet been completely elucidated. At present, it is thought to be caused by the interaction of multiple factors. Among them, the immunological pathogenesis of UC, especially the role of cytokines in pathogenesis, has drawn more and more attention. Cytokines are secreted by cells with biological activity of small molecules in general, can be divided into white blood cell mediated