细胞因子 (cytokines)是联系细胞间相互作用的一种化学物质 ,它是由蛋白质或糖蛋白质组成参与细胞生长、分化、炎症、免疫和修复过程 ,由血管内皮细胞、白细胞、单核细胞和淋巴细胞产生 ,由旁分泌或自分泌方式释放 ,在少数细胞范围内发挥作用 ,而不象激素可通过血流到达全身靶 Cytokines are chemical substances that interact with cell-cell interactions and are composed of proteins or glycoproteins that are involved in cell growth, differentiation, inflammation, immune and repair processes. They are composed of vascular endothelial cells, leukocytes, monocytes, and lymphatic Cells are produced, released by paracrine or autocrine methods and function in a minority of cells, unlike hormones that reach the whole body via blood flow