3803
As glucocorticoids regulate interferon-alpha ( IFN alpha ) production , we hypothesized that IFN alpha , a cytokine produced predominantly by monocytes in AIDS , should be increased in cortisol -resistant AIDS , attributing the lack of cortisol inhibition to IFN alpha production .
 ( protein: cytokine, None) , ( protein: interferon-alpha, None) , ( protein: IFN alpha, None) , ( cell type: monocytes, None) , ( protein: IFN alpha, None) , ( protein: IFN 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:
 ( protein: cytokine, None) , ( protein: interferon-alpha, None) , ( protein: IFN alpha, None) , ( cell type: monocytes, None) , ( protein: IFN alpha, None) , ( protein: IFN alpha, None) 