3-deazaneplanocin A (DZNep) is a kind of histone methylation inhibitors, and ithas been applied to anti-tumor, anti-parasitic, anti-viral, anti-arthritic and immunesuppressive activity and other pharmacological effects. It has been reported thatDZNep can inhibit proliferation of tumor cells by reactivate silenced tumorsuppressor genes, which provides a new target for the treatment of tumors. In addition,DZNep has been shown to play an important role in treatment of liver cancer, breastcancer, medulloblastom...