6249
To determine whether CIF blocks at the level of IL2 transcription , we introduced reporter plasmids into the human T leukemia cell line Jurkat by transient transfection .
 ( protein: IL2, None) , ( cell line: human T leukemia cell line Jurkat, None) , ( protein: CIF, 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: IL2, None) , ( cell line: human T leukemia cell line Jurkat, None) , ( protein: CIF, None) 