Research progress of mitotic arrest deficient gene abnormalities in tumor / 实用肿瘤学杂志

The spindle assembly checkpoint ( SAC) is an important monitoring mechanism to monitor the connection between centromeres and microtubules and to ensure proper chromosome separation in human .Mitotic arrest defective protein(Mad)family,as an important part of SAC,plays a crucial role in the process of mitosis. Mutations or altered expressions of Mad may lead to abnormal separations of chromosomes and play a partial role in tumorigenesis ,poor prognosis and chemotherapy drug resistance .