<正>乳脂肪球表皮生长因子Ⅷ(milk fat globule epidermal growth factor Ⅷ, MFG-E8)作为一种粘附在乳脂肪小球表面的镶嵌型外周糖蛋白, 又被称为乳凝集素或SED1(secreted EGF repeats and discoidin domains-containing protein-1)[1]。由于MFG-E8介导凋亡细胞和吞噬细胞之间释放"eat-me