2318
LIF induces the production of other cytokines in monocytes but its effects on HIV replication were not inhibited by antibodies to IL-1 , TNF , or IL-6 .
 ( protein: IL-6, None) , ( protein: LIF, None) , ( protein: antibodies, None) , ( protein: IL-1, None) , ( protein: TNF, None) , ( protein: 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:
 ( protein: IL-6, None) , ( protein: LIF, None) , ( protein: antibodies, None) , ( protein: IL-1, None) , ( protein: TNF, None) , ( protein: cytokines, None) 