14574
In contrast to E1A -negative, parental cell lines , IFN -MCP was blocked in Ad5 E1A -transfected epithelial and fibroblastic cell lines .
 ( protein: IFN, None) , ( DNA: E1A, None) , ( cell line: E1A -transfected epithelial, None) , ( DNA: E1A, None) , ( cell line: fibroblastic cell lines, None) , ( cell line: E1A -negative, parental cell lines, 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:
 ( protein: IFN, None) , ( DNA: E1A, None) , ( cell line: E1A -transfected epithelial, None) , ( DNA: E1A, None) , ( cell line: fibroblastic cell lines, None) , ( cell line: E1A -negative, parental cell lines, None) 