This work was supported by the National Natural Science Foundation of China (No. 81272182 , 81372134 and 81641012 ), the Key Project of Hunan Provincial Education Department ( 16K077 , 17K081 ), Hunan Province Key Laboratory of Tumor Cellular & Molecular Pathology ( 2016TP1015 ), Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study ( 2014-405 ). We thank Li Cao (Molecular Genetics Lab of Cancer Research Institute, Central South University) for kindly providing Raji cell line. We are grateful to Kangchen Bio-tech Inc (Shanghai, China) for providing whole genome microarray and hybridization experiment.