细胞因子是由机体多种细胞合成和分泌的一组具有生物活性的小分物质。其作用需通过与特定的细胞受体相结合才能发挥效能。它可作用于各种免疫细胞,促进抗感染和抗肿瘤的免疫功能;也作用于造血干细胞和各系造血祖细胞,有促进造血的功能;还参与炎症反应,有助清除异物,但也可造成自身免疫损伤。其功能的最 Cytokines are a group of bioactive small molecules synthesized and secreted by many kinds of cells in the body. Its role through specific cell receptors in order to play a role. It can act on a variety of immune cells, promote anti-infective and anti-tumor immune function; also act on hematopoietic stem cells and various lines of hematopoietic progenitor cells, promote hematopoietic function; also participate in inflammatory reactions, help clear foreign body, but also Cause autoimmune damage. Its most functional