干扰素(interferon, IFN)因其具有干扰病毒的感染和复制而得名。分型: Ⅰ型 IFN-α made by leukocyte(白细胞) IFN-β made by fibroblast(成纤维细胞) Ⅱ型 IFN-γ made by activated T cella又有3种亚型,即a-1b(来源于健康中国人白细胞),a。