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3种集落刺激因子(colony stimulating factor,CSF)即粒细胞一巨噬细胞集落刺激因子(granulocyte/macrophage—colony stimulating factor,GM—CSF)、巨噬细胞集落刺激因子(macrophage colony stimulating factor,M.CSF)及粒细胞集落刺激因子(granulocyte colony stimulating factor,G—CSF)均为重要的免疫刺激因子,在中性粒细胞及髓系造血干细胞的分化、增殖、活