IFNA1 and neoplasm: At present, it is considered that sapylin exerts antitumor effects through the following mechanisms: i) Mobilizing the body's cellular immune system to activate macrophages, natural killer cells, lymphokine-activated killer cells and a variety of T-cells to eliminating tumor cells; ii) stimulating the body's immune system to produce a variety of cytokines, such as TNF, IFN and IL, to participate in the antitumor effect.