12730
However, an induction of the human CIITA gene was observed in mouse macrophage and fibrosarcoma cell lines , when the cells were transfected with a cosmid containing the human CIITA gene , but lacking the 1.8 kb promoter described above.
 ( DNA: human CIITA gene, None) , ( DNA: 1.8 kb promoter, None) , ( DNA: human CIITA gene, None) , ( DNA: cosmid, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( DNA: human CIITA gene, None) , ( DNA: 1.8 kb promoter, None) , ( DNA: human CIITA gene, None) , ( DNA: cosmid, None) 