Asialofetuin (ASF) is the ligand of ASGP receptor residing on liver cell surface, can bind its receptor specifically and be degradateded by liver cell.

• 去唾液酸胎球蛋白(ASF)是肝细胞ASGP受体的天然配体，能被ASGP受体特异结合并被肝细胞清除，被广泛用于肝脏ASGPR研究。