After analyzing the plasma levels of 80 known human cytokines, the investigators identified osteopontin as a necessary factor for recruitment of BMCs and subsequent tumor growth.

• 在分析了80种已知的人类细胞因子的血清中水平后，研究者们发现骨桥蛋白作为一种必需因子对BMC的聚集和以后的肿瘤生长具有重要作用。