2268
Some antioxidants inhibit, in a co-ordinate fashion, the production of tumor necrosis factor-alpha , IL-beta , and IL-6 by human peripheral blood mononuclear cells .
 ( protein: tumor necrosis factor-alpha, None) , ( protein: IL-beta, None) , ( cell type: human peripheral blood mononuclear cells, None) , ( protein: IL-6, 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: tumor necrosis factor-alpha, None) , ( protein: IL-beta, None) , ( cell type: human peripheral blood mononuclear cells, None) , ( protein: IL-6, None) 