4857
Soluble tumor necrosis factor receptors inhibit phorbol myristate acetate and cytokine-induced HIV-1 expression chronically infected U1 cells .
 ( protein: Soluble tumor necrosis factor receptors, None) , ( cell type: infected U1 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: Soluble tumor necrosis factor receptors, None) , ( cell type: infected U1 cells, None) 