Pigment epithelium derived factor (PEDF), a glycoprotein existing in the eyes of human and animals, belongs to the serine protease inhibitor gene family.

• 色素上皮衍生因子(PEDF)是人及动物眼中天然存在的一种糖蛋白,属于丝氨酸蛋白酶抑制剂家族,主要来源于视网膜色素上皮细胞,也可见于角膜、房水、玻璃体及视网膜中。