Osteopontin is a multifunctional phosphoglycoprotein.It not only distribute widely in normal tissues such as bone tissues,but also has over expression in multiplicate tumor tissues.

• 骨桥蛋白是一种具有多种功能的磷酸化糖蛋白,不仅广泛分布于骨基质等正常组织细胞中,而且在许多肿瘤组织中都过量表达。