14967
Activated mononuclear cells , particularly B cells which are in a state of chronic activation in HIV infected individuals , release HIV -inductive cytokines and thus play a potentially important role in the pathogenesis of HIV infection .
 ( protein: cytokines, None) , ( cell type: B cells, None) , ( protein: HIV -inductive cytokines, None) , ( cell type: Activated mononuclear cells, 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: cytokines, None) , ( cell type: B cells, None) , ( protein: HIV -inductive cytokines, None) , ( cell type: Activated mononuclear cells, None) 