The complicated molecular mechanisms are not quite clear,and the studies about MIF in digestive tumors,especially in hepatic cell carcinoma become more and more.

• MIF复杂的分子作用机制至今尚未完全阐明；近年来有关MIF参与消化系肿瘤特别是肝癌的发生、发展的研究逐渐增多.