9091
Infection of human monocytes with influenza A virus induces a broad range of proinflammatory cytokines and mononuclear cell attracting chemokines before the infected cells undergo apoptosis .
 ( cell type: monocytes, None) , ( protein: chemokines, None) , ( protein: cytokines, None) , ( cell type: infected cells, None) , ( protein: proinflammatory cytokines, 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:
 ( cell type: monocytes, None) , ( protein: chemokines, None) , ( protein: cytokines, None) , ( cell type: infected cells, None) , ( protein: proinflammatory cytokines, None) 