7535
The authors have previously demonstrated that in vitro exposure of mononuclear cells to DFX decreases the bioavailability of tumour necrosis factor alpha ( TNF-alpha ) which has a stimulatory effect on HIV-1 replication .
 ( cell type: mononuclear cells, None) , ( protein: TNF-alpha, None) , ( protein: tumour necrosis factor alpha, 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: mononuclear cells, None) , ( protein: TNF-alpha, None) , ( protein: tumour necrosis factor alpha, None) 